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605 lines
27 KiB
Plaintext
605 lines
27 KiB
Plaintext
[cache]
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# Configure carbon directories.
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#
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# OS environment variables can be used to tell carbon where graphite is
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# installed, where to read configuration from and where to write data.
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#
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# GRAPHITE_ROOT - Root directory of the graphite installation.
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# Defaults to ../
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# GRAPHITE_CONF_DIR - Configuration directory (where this file lives).
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# Defaults to $GRAPHITE_ROOT/conf/
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# GRAPHITE_STORAGE_DIR - Storage directory for whisper/rrd/log/pid files.
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# Defaults to $GRAPHITE_ROOT/storage/
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#
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# To change other directory paths, add settings to this file. The following
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# configuration variables are available with these default values:
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#
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# STORAGE_DIR = $GRAPHITE_STORAGE_DIR
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# LOCAL_DATA_DIR = %(STORAGE_DIR)s/whisper/
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# WHITELISTS_DIR = %(STORAGE_DIR)s/lists/
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# CONF_DIR = %(STORAGE_DIR)s/conf/
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# LOG_DIR = %(STORAGE_DIR)s/log/
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# PID_DIR = %(STORAGE_DIR)s/
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#
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# For FHS style directory structures, use:
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#
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# STORAGE_DIR = /var/lib/carbon/
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# CONF_DIR = /etc/carbon/
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# LOG_DIR = /var/log/carbon/
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# PID_DIR = /var/run/
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#
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#LOCAL_DATA_DIR = /opt/graphite/storage/whisper/
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# Specify the database library used to store metric data on disk. Each database
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# may have configurable options to change the behaviour of how it writes to
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# persistent storage.
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#
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# whisper - Fixed-size database, similar in design and purpose to RRD. This is
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# the default storage backend for carbon and the most rigorously tested.
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#
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# ceres - Experimental alternative database that supports storing data in sparse
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# files of arbitrary fixed-size resolutions.
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DATABASE = whisper
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# Enable daily log rotation. If disabled, a new file will be opened whenever the log file path no
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# longer exists (i.e. it is removed or renamed)
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ENABLE_LOGROTATION = True
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# Specify the user to drop privileges to
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# If this is blank carbon-cache runs as the user that invokes it
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# This user must have write access to the local data directory
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USER =
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# Limit the size of the cache to avoid swapping or becoming CPU bound.
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# Sorts and serving cache queries gets more expensive as the cache grows.
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# Use the value "inf" (infinity) for an unlimited cache size.
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# value should be an integer number of metric datapoints.
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MAX_CACHE_SIZE = inf
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# Limits the number of whisper update_many() calls per second, which effectively
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# means the number of write requests sent to the disk. This is intended to
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# prevent over-utilizing the disk and thus starving the rest of the system.
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# When the rate of required updates exceeds this, then carbon's caching will
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# take effect and increase the overall throughput accordingly.
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MAX_UPDATES_PER_SECOND = 500
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# If defined, this changes the MAX_UPDATES_PER_SECOND in Carbon when a
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# stop/shutdown is initiated. This helps when MAX_UPDATES_PER_SECOND is
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# relatively low and carbon has cached a lot of updates; it enables the carbon
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# daemon to shutdown more quickly.
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# MAX_UPDATES_PER_SECOND_ON_SHUTDOWN = 1000
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# Softly limits the number of whisper files that get created each minute.
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# Setting this value low (e.g. 50) is a good way to ensure that your carbon
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# system will not be adversely impacted when a bunch of new metrics are
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# sent to it. The trade off is that any metrics received in excess of this
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# value will be silently dropped, and the whisper file will not be created
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# until such point as a subsequent metric is received and fits within the
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# defined rate limit. Setting this value high (like "inf" for infinity) will
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# cause carbon to create the files quickly but at the risk of increased I/O.
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MAX_CREATES_PER_MINUTE = 50
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# Set the minimum timestamp resolution supported by this instance. This allows
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# internal optimisations by overwriting points with equal truncated timestamps
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# in order to limit the number of updates to the database. It defaults to one
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# second.
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MIN_TIMESTAMP_RESOLUTION = 1
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# Set the minimum lag in seconds for a point to be written to the database
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# in order to optimize batching. This means that each point will wait at least
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# the duration of this lag before being written. Setting this to 0 disable the feature.
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# This currently only works when using the timesorted write strategy.
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# MIN_TIMESTAMP_LAG = 0
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# Set the interface and port for the line (plain text) listener. Setting the
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# interface to 0.0.0.0 listens on all interfaces. Port can be set to 0 to
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# disable this listener if it is not required.
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LINE_RECEIVER_INTERFACE = 0.0.0.0
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LINE_RECEIVER_PORT = 2003
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# Set this to True to enable the UDP listener. By default this is off
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# because it is very common to run multiple carbon daemons and managing
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# another (rarely used) port for every carbon instance is not fun.
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ENABLE_UDP_LISTENER = True
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UDP_RECEIVER_INTERFACE = 0.0.0.0
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UDP_RECEIVER_PORT = 2003
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# Set the interface and port for the pickle listener. Setting the interface to
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# 0.0.0.0 listens on all interfaces. Port can be set to 0 to disable this
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# listener if it is not required.
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PICKLE_RECEIVER_INTERFACE = 0.0.0.0
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PICKLE_RECEIVER_PORT = 2004
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# Set the interface and port for the protobuf listener. Setting the interface to
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# 0.0.0.0 listens on all interfaces. Port can be set to 0 to disable this
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# listener if it is not required.
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# PROTOBUF_RECEIVER_INTERFACE = 0.0.0.0
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# PROTOBUF_RECEIVER_PORT = 2005
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# Limit the number of open connections the receiver can handle as any time.
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# Default is no limit. Setting up a limit for sites handling high volume
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# traffic may be recommended to avoid running out of TCP memory or having
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# thousands of TCP connections reduce the throughput of the service.
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#MAX_RECEIVER_CONNECTIONS = inf
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# Per security concerns outlined in Bug #817247 the pickle receiver
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# will use a more secure and slightly less efficient unpickler.
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# Set this to True to revert to the old-fashioned insecure unpickler.
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USE_INSECURE_UNPICKLER = False
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CACHE_QUERY_INTERFACE = 0.0.0.0
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CACHE_QUERY_PORT = 7002
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# Set this to False to drop datapoints received after the cache
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# reaches MAX_CACHE_SIZE. If this is True (the default) then sockets
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# over which metrics are received will temporarily stop accepting
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# data until the cache size falls below 95% MAX_CACHE_SIZE.
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USE_FLOW_CONTROL = True
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# If enabled this setting is used to timeout metric client connection if no
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# metrics have been sent in specified time in seconds
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#METRIC_CLIENT_IDLE_TIMEOUT = None
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# By default, carbon-cache will log every whisper update and cache hit.
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# This can be excessive and degrade performance if logging on the same
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# volume as the whisper data is stored.
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LOG_UPDATES = False
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LOG_CREATES = False
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LOG_CACHE_HITS = False
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LOG_CACHE_QUEUE_SORTS = False
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# The thread that writes metrics to disk can use one of the following strategies
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# determining the order in which metrics are removed from cache and flushed to
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# disk. The default option preserves the same behavior as has been historically
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# available in version 0.9.10.
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#
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# sorted - All metrics in the cache will be counted and an ordered list of
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# them will be sorted according to the number of datapoints in the cache at the
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# moment of the list's creation. Metrics will then be flushed from the cache to
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# disk in that order.
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#
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# timesorted - All metrics in the list will be looked at and sorted according
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# to the timestamp of there datapoints. The metric that were the least recently
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# written will be written first. This is an hybrid strategy between max and
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# sorted which is particularly adapted to sets of metrics with non-uniform
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# resolutions.
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#
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# max - The writer thread will always pop and flush the metric from cache
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# that has the most datapoints. This will give a strong flush preference to
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# frequently updated metrics and will also reduce random file-io. Infrequently
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# updated metrics may only ever be persisted to disk at daemon shutdown if
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# there are a large number of metrics which receive very frequent updates OR if
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# disk i/o is very slow.
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#
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# naive - Metrics will be flushed from the cache to disk in an unordered
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# fashion. This strategy may be desirable in situations where the storage for
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# whisper files is solid state, CPU resources are very limited or deference to
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# the OS's i/o scheduler is expected to compensate for the random write
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# pattern.
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#
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CACHE_WRITE_STRATEGY = sorted
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# On some systems it is desirable for whisper to write synchronously.
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# Set this option to True if you'd like to try this. Basically it will
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# shift the onus of buffering writes from the kernel into carbon's cache.
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WHISPER_AUTOFLUSH = False
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# By default new Whisper files are created pre-allocated with the data region
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# filled with zeros to prevent fragmentation and speed up contiguous reads and
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# writes (which are common). Enabling this option will cause Whisper to create
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# the file sparsely instead. Enabling this option may allow a large increase of
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# MAX_CREATES_PER_MINUTE but may have longer term performance implications
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# depending on the underlying storage configuration.
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# WHISPER_SPARSE_CREATE = False
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# Only beneficial on linux filesystems that support the fallocate system call.
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# It maintains the benefits of contiguous reads/writes, but with a potentially
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# much faster creation speed, by allowing the kernel to handle the block
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# allocation and zero-ing. Enabling this option may allow a large increase of
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# MAX_CREATES_PER_MINUTE. If enabled on an OS or filesystem that is unsupported
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# this option will gracefully fallback to standard POSIX file access methods.
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WHISPER_FALLOCATE_CREATE = True
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# Enabling this option will cause Whisper to lock each Whisper file it writes
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# to with an exclusive lock (LOCK_EX, see: man 2 flock). This is useful when
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# multiple carbon-cache daemons are writing to the same files.
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# WHISPER_LOCK_WRITES = False
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# On systems which has a large number of metrics, an amount of Whisper write(2)'s
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# pageback sometimes cause disk thrashing due to memory shortage, so that abnormal
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# disk reads occur. Enabling this option makes it possible to decrease useless
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# page cache memory by posix_fadvise(2) with POSIX_FADVISE_RANDOM option.
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# WHISPER_FADVISE_RANDOM = False
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# By default all nodes stored in Ceres are cached in memory to improve the
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# throughput of reads and writes to underlying slices. Turning this off will
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# greatly reduce memory consumption for databases with millions of metrics, at
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# the cost of a steep increase in disk i/o, approximately an extra two os.stat
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# calls for every read and write. Reasons to do this are if the underlying
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# storage can handle stat() with practically zero cost (SSD, NVMe, zRAM).
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# Valid values are:
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# all - all nodes are cached
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# none - node caching is disabled
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# CERES_NODE_CACHING_BEHAVIOR = all
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# Ceres nodes can have many slices and caching the right ones can improve
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# performance dramatically. Note that there are many trade-offs to tinkering
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# with this, and unless you are a ceres developer you *really* should not
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# mess with this. Valid values are:
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# latest - only the most recent slice is cached
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# all - all slices are cached
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# none - slice caching is disabled
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# CERES_SLICE_CACHING_BEHAVIOR = latest
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# If a Ceres node accumulates too many slices, performance can suffer.
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# This can be caused by intermittently reported data. To mitigate
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# slice fragmentation there is a tolerance for how much space can be
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# wasted within a slice file to avoid creating a new one. That tolerance
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# level is determined by MAX_SLICE_GAP, which is the number of consecutive
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# null datapoints allowed in a slice file.
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# If you set this very low, you will waste less of the *tiny* bit disk space
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# that this feature wastes, and you will be prone to performance problems
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# caused by slice fragmentation, which can be pretty severe.
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# If you set this really high, you will waste a bit more disk space (each
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# null datapoint wastes 8 bytes, but keep in mind your filesystem's block
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# size). If you suffer slice fragmentation issues, you should increase this or
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# run the ceres-maintenance defrag plugin more often. However you should not
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# set it to be huge because then if a large but allowed gap occurs it has to
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# get filled in, which means instead of a simple 8-byte write to a new file we
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# could end up doing an (8 * MAX_SLICE_GAP)-byte write to the latest slice.
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# CERES_MAX_SLICE_GAP = 80
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# Enabling this option will cause Ceres to lock each Ceres file it writes to
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# to with an exclusive lock (LOCK_EX, see: man 2 flock). This is useful when
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# multiple carbon-cache daemons are writing to the same files.
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# CERES_LOCK_WRITES = False
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# Set this to True to enable whitelisting and blacklisting of metrics in
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# CONF_DIR/whitelist.conf and CONF_DIR/blacklist.conf. If the whitelist is
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# missing or empty, all metrics will pass through
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# USE_WHITELIST = False
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# By default, carbon itself will log statistics (such as a count,
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# metricsReceived) with the top level prefix of 'carbon' at an interval of 60
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# seconds. Set CARBON_METRIC_INTERVAL to 0 to disable instrumentation
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# CARBON_METRIC_PREFIX = carbon
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# CARBON_METRIC_INTERVAL = 60
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# Enable AMQP if you want to receve metrics using an amqp broker
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# ENABLE_AMQP = False
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# Verbose means a line will be logged for every metric received
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# useful for testing
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# AMQP_VERBOSE = False
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# AMQP_HOST = localhost
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# AMQP_PORT = 5672
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# AMQP_VHOST = /
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# AMQP_USER = guest
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# AMQP_PASSWORD = guest
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# AMQP_EXCHANGE = graphite
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# AMQP_METRIC_NAME_IN_BODY = False
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# The manhole interface allows you to SSH into the carbon daemon
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# and get a python interpreter. BE CAREFUL WITH THIS! If you do
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# something like time.sleep() in the interpreter, the whole process
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# will sleep! This is *extremely* helpful in debugging, assuming
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# you are familiar with the code. If you are not, please don't
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# mess with this, you are asking for trouble :)
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#
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# ENABLE_MANHOLE = False
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# MANHOLE_INTERFACE = 127.0.0.1
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# MANHOLE_PORT = 7222
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# MANHOLE_USER = admin
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# MANHOLE_PUBLIC_KEY = ssh-rsa AAAAB3NzaC1yc2EAAAABiwAaAIEAoxN0sv/e4eZCPpi3N3KYvyzRaBaMeS2RsOQ/cDuKv11dlNzVeiyc3RFmCv5Rjwn/lQ79y0zyHxw67qLyhQ/kDzINc4cY41ivuQXm2tPmgvexdrBv5nsfEpjs3gLZfJnyvlcVyWK/lId8WUvEWSWHTzsbtmXAF2raJMdgLTbQ8wE=
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# Patterns for all of the metrics this machine will store. Read more at
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# http://en.wikipedia.org/wiki/Advanced_Message_Queuing_Protocol#Bindings
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#
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# Example: store all sales, linux servers, and utilization metrics
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# BIND_PATTERNS = sales.#, servers.linux.#, #.utilization
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#
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# Example: store everything
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# BIND_PATTERNS = #
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# URL of graphite-web instance, this is used to add incoming series to the tag database
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# GRAPHITE_URL = http://127.0.0.1:8000
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# Tag support, when enabled carbon will make HTTP calls to graphite-web to update the tag index
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# ENABLE_TAGS = True
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# Tag update interval, this specifies how frequently updates to existing series will trigger
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# an update to the tag index, the default setting is once every 100 updates
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# TAG_UPDATE_INTERVAL = 100
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# Tag batch size, this specifies the maximum number of series to be sent to graphite-web in a single batch
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# TAG_BATCH_SIZE = 100
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# Tag queue size, this specifies the maximum number of series to be queued for sending to graphite-web
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# There are separate queues for new series and for updates to existing series
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# TAG_QUEUE_SIZE = 10000
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# To configure special settings for the carbon-cache instance 'b', uncomment this:
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#[cache:b]
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#LINE_RECEIVER_PORT = 2103
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#PICKLE_RECEIVER_PORT = 2104
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#CACHE_QUERY_PORT = 7102
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# and any other settings you want to customize, defaults are inherited
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# from the [cache] section.
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# You can then specify the --instance=b option to manage this instance
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#
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# In order to turn off logging of successful connections for the line
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# receiver, set this to False
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# LOG_LISTENER_CONN_SUCCESS = True
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[relay]
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LINE_RECEIVER_INTERFACE = 0.0.0.0
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LINE_RECEIVER_PORT = 2013
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PICKLE_RECEIVER_INTERFACE = 0.0.0.0
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PICKLE_RECEIVER_PORT = 2014
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# Carbon-relay has several options for metric routing controlled by RELAY_METHOD
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#
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# Use relay-rules.conf to route metrics to destinations based on pattern rules
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#RELAY_METHOD = rules
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#
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# Use consistent-hashing for even distribution of metrics between destinations
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#RELAY_METHOD = consistent-hashing
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#
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# Use consistent-hashing but take into account an aggregation-rules.conf shared
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# by downstream carbon-aggregator daemons. This will ensure that all metrics
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# that map to a given aggregation rule are sent to the same carbon-aggregator
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# instance.
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# Enable this for carbon-relays that send to a group of carbon-aggregators
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#RELAY_METHOD = aggregated-consistent-hashing
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#
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# You can also use fast-hashing and fast-aggregated-hashing which are in O(1)
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# and will always redirect the metrics to the same destination but do not try
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# to minimize rebalancing when the list of destinations is changing.
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RELAY_METHOD = rules
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# If you use consistent-hashing you can add redundancy by replicating every
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# datapoint to more than one machine.
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REPLICATION_FACTOR = 1
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# For REPLICATION_FACTOR >=2, set DIVERSE_REPLICAS to True to guarantee replicas
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# across distributed hosts. With this setting disabled, it's possible that replicas
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# may be sent to different caches on the same host. This has been the default
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# behavior since introduction of 'consistent-hashing' relay method.
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# Note that enabling this on an existing pre-0.9.14 cluster will require rebalancing
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# your metrics across the cluster nodes using a tool like Carbonate.
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#DIVERSE_REPLICAS = True
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# This is a list of carbon daemons we will send any relayed or
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# generated metrics to. The default provided would send to a single
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# carbon-cache instance on the default port. However if you
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# use multiple carbon-cache instances then it would look like this:
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#
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# DESTINATIONS = 127.0.0.1:2004:a, 127.0.0.1:2104:b
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#
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# The general form is IP:PORT:INSTANCE where the :INSTANCE part is
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# optional and refers to the "None" instance if omitted.
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#
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# Note that if the destinations are all carbon-caches then this should
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# exactly match the webapp's CARBONLINK_HOSTS setting in terms of
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# instances listed (order matters!).
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#
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# If using RELAY_METHOD = rules, all destinations used in relay-rules.conf
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# must be defined in this list
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DESTINATIONS = 127.0.0.1:2004
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# This define the protocol to use to contact the destination. It can be
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# set to one of "line", "pickle", "udp" and "protobuf". This list can be
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# extended with CarbonClientFactory plugins and defaults to "pickle".
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# DESTINATION_PROTOCOL = pickle
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# When using consistent hashing it sometime makes sense to make
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# the ring dynamic when you don't want to loose points when a
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# single destination is down. Replication is an answer to that
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# but it can be quite expensive.
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# DYNAMIC_ROUTER = False
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# Controls the number of connection attempts before marking a
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# destination as down. We usually do one connection attempt per
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# second.
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# DYNAMIC_ROUTER_MAX_RETRIES = 5
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# This is the maximum number of datapoints that can be queued up
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# for a single destination. Once this limit is hit, we will
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# stop accepting new data if USE_FLOW_CONTROL is True, otherwise
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# we will drop any subsequently received datapoints.
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MAX_QUEUE_SIZE = 10000
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# This defines the maximum "message size" between carbon daemons. If
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# your queue is large, setting this to a lower number will cause the
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# relay to forward smaller discrete chunks of stats, which may prevent
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# overloading on the receiving side after a disconnect.
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MAX_DATAPOINTS_PER_MESSAGE = 500
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# Limit the number of open connections the receiver can handle as any time.
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# Default is no limit. Setting up a limit for sites handling high volume
|
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# traffic may be recommended to avoid running out of TCP memory or having
|
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# thousands of TCP connections reduce the throughput of the service.
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#MAX_RECEIVER_CONNECTIONS = inf
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# Specify the user to drop privileges to
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# If this is blank carbon-relay runs as the user that invokes it
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# USER =
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# This is the percentage that the queue must be empty before it will accept
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# more messages. For a larger site, if the queue is very large it makes sense
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# to tune this to allow for incoming stats. So if you have an average
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# flow of 100k stats/minute, and a MAX_QUEUE_SIZE of 3,000,000, it makes sense
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# to allow stats to start flowing when you've cleared the queue to 95% since
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# you should have space to accommodate the next minute's worth of stats
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# even before the relay incrementally clears more of the queue
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QUEUE_LOW_WATERMARK_PCT = 0.8
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# To allow for batch efficiency from the pickle protocol and to benefit from
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# other batching advantages, all writes are deferred by putting them into a queue,
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# and then the queue is flushed and sent a small fraction of a second later.
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TIME_TO_DEFER_SENDING = 0.0001
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# Set this to False to drop datapoints when any send queue (sending datapoints
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# to a downstream carbon daemon) hits MAX_QUEUE_SIZE. If this is True (the
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# default) then sockets over which metrics are received will temporarily stop accepting
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# data until the send queues fall below QUEUE_LOW_WATERMARK_PCT * MAX_QUEUE_SIZE.
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USE_FLOW_CONTROL = True
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# If enabled this setting is used to timeout metric client connection if no
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# metrics have been sent in specified time in seconds
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#METRIC_CLIENT_IDLE_TIMEOUT = None
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# Set this to True to enable whitelisting and blacklisting of metrics in
|
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# CONF_DIR/whitelist.conf and CONF_DIR/blacklist.conf. If the whitelist is
|
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# missing or empty, all metrics will pass through
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# USE_WHITELIST = False
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|
|
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# By default, carbon itself will log statistics (such as a count,
|
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# metricsReceived) with the top level prefix of 'carbon' at an interval of 60
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# seconds. Set CARBON_METRIC_INTERVAL to 0 to disable instrumentation
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# CARBON_METRIC_PREFIX = carbon
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# CARBON_METRIC_INTERVAL = 60
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#
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# In order to turn off logging of successful connections for the line
|
|
# receiver, set this to False
|
|
# LOG_LISTENER_CONN_SUCCESS = True
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|
|
|
# If you're connecting from the relay to a destination that's over the
|
|
# internet or similarly iffy connection, a backlog can develop because
|
|
# of internet weather conditions, e.g. acks getting lost or similar issues.
|
|
# To deal with that, you can enable USE_RATIO_RESET which will let you
|
|
# re-set the connection to an individual destination. Defaults to being off.
|
|
USE_RATIO_RESET=False
|
|
|
|
# When there is a small number of stats flowing, it's not desirable to
|
|
# perform any actions based on percentages - it's just too "twitchy".
|
|
MIN_RESET_STAT_FLOW=1000
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|
|
|
# When the ratio of stats being sent in a reporting interval is far
|
|
# enough from 1.0, we will disconnect the socket and reconnecto to
|
|
# clear out queued stats. The default ratio of 0.9 indicates that 10%
|
|
# of stats aren't being delivered within one CARBON_METRIC_INTERVAL
|
|
# (default of 60 seconds), which can lead to a queue backup. Under
|
|
# some circumstances re-setting the connection can fix this, so
|
|
# set this according to your tolerance, and look in the logs for
|
|
# "resetConnectionForQualityReasons" to observe whether this is kicking
|
|
# in when your sent queue is building up.
|
|
MIN_RESET_RATIO=0.9
|
|
|
|
# The minimum time between resets. When a connection is re-set, we
|
|
# need to wait before another reset is performed.
|
|
# (2*CARBON_METRIC_INTERVAL) + 1 second is the minimum time needed
|
|
# before stats for the new connection will be available. Setting this
|
|
# below (2*CARBON_METRIC_INTERVAL) + 1 second will result in a lot of
|
|
# reset connections for no good reason.
|
|
MIN_RESET_INTERVAL=121
|
|
|
|
[aggregator]
|
|
LINE_RECEIVER_INTERFACE = 0.0.0.0
|
|
LINE_RECEIVER_PORT = 2023
|
|
|
|
PICKLE_RECEIVER_INTERFACE = 0.0.0.0
|
|
PICKLE_RECEIVER_PORT = 2024
|
|
|
|
# If set true, metric received will be forwarded to DESTINATIONS in addition to
|
|
# the output of the aggregation rules. If set false the carbon-aggregator will
|
|
# only ever send the output of aggregation.
|
|
FORWARD_ALL = False
|
|
|
|
# Filenames of the configuration files to use for this instance of aggregator.
|
|
# Filenames are relative to CONF_DIR.
|
|
|
|
AGGREGATION_RULES = aggregation-rules.conf
|
|
REWRITE_RULES = rewrite-rules.conf
|
|
|
|
# This is a list of carbon daemons we will send any relayed or
|
|
# generated metrics to. The default provided would send to a single
|
|
# carbon-cache instance on the default port. However if you
|
|
# use multiple carbon-cache instances then it would look like this:
|
|
#
|
|
# DESTINATIONS = 127.0.0.1:2004:a, 127.0.0.1:2104:b
|
|
#
|
|
# The format is comma-delimited IP:PORT:INSTANCE where the :INSTANCE part is
|
|
# optional and refers to the "None" instance if omitted.
|
|
#
|
|
# Note that if the destinations are all carbon-caches then this should
|
|
# exactly match the webapp's CARBONLINK_HOSTS setting in terms of
|
|
# instances listed (order matters!).
|
|
DESTINATIONS = 127.0.0.1:2004
|
|
|
|
# If you want to add redundancy to your data by replicating every
|
|
# datapoint to more than one machine, increase this.
|
|
REPLICATION_FACTOR = 1
|
|
|
|
# This is the maximum number of datapoints that can be queued up
|
|
# for a single destination. Once this limit is hit, we will
|
|
# stop accepting new data if USE_FLOW_CONTROL is True, otherwise
|
|
# we will drop any subsequently received datapoints.
|
|
MAX_QUEUE_SIZE = 10000
|
|
|
|
# Set this to False to drop datapoints when any send queue (sending datapoints
|
|
# to a downstream carbon daemon) hits MAX_QUEUE_SIZE. If this is True (the
|
|
# default) then sockets over which metrics are received will temporarily stop accepting
|
|
# data until the send queues fall below 80% MAX_QUEUE_SIZE.
|
|
USE_FLOW_CONTROL = True
|
|
|
|
# If enabled this setting is used to timeout metric client connection if no
|
|
# metrics have been sent in specified time in seconds
|
|
#METRIC_CLIENT_IDLE_TIMEOUT = None
|
|
|
|
# This defines the maximum "message size" between carbon daemons.
|
|
# You shouldn't need to tune this unless you really know what you're doing.
|
|
MAX_DATAPOINTS_PER_MESSAGE = 500
|
|
|
|
# This defines how many datapoints the aggregator remembers for
|
|
# each metric. Aggregation only happens for datapoints that fall in
|
|
# the past MAX_AGGREGATION_INTERVALS * intervalSize seconds.
|
|
MAX_AGGREGATION_INTERVALS = 5
|
|
|
|
# Limit the number of open connections the receiver can handle as any time.
|
|
# Default is no limit. Setting up a limit for sites handling high volume
|
|
# traffic may be recommended to avoid running out of TCP memory or having
|
|
# thousands of TCP connections reduce the throughput of the service.
|
|
#MAX_RECEIVER_CONNECTIONS = inf
|
|
|
|
# By default (WRITE_BACK_FREQUENCY = 0), carbon-aggregator will write back
|
|
# aggregated data points once every rule.frequency seconds, on a per-rule basis.
|
|
# Set this (WRITE_BACK_FREQUENCY = N) to write back all aggregated data points
|
|
# every N seconds, independent of rule frequency. This is useful, for example,
|
|
# to be able to query partially aggregated metrics from carbon-cache without
|
|
# having to first wait rule.frequency seconds.
|
|
# WRITE_BACK_FREQUENCY = 0
|
|
|
|
# Set this to True to enable whitelisting and blacklisting of metrics in
|
|
# CONF_DIR/whitelist.conf and CONF_DIR/blacklist.conf. If the whitelist is
|
|
# missing or empty, all metrics will pass through
|
|
# USE_WHITELIST = False
|
|
|
|
# By default, carbon itself will log statistics (such as a count,
|
|
# metricsReceived) with the top level prefix of 'carbon' at an interval of 60
|
|
# seconds. Set CARBON_METRIC_INTERVAL to 0 to disable instrumentation
|
|
# CARBON_METRIC_PREFIX = carbon
|
|
# CARBON_METRIC_INTERVAL = 60
|
|
|
|
# In order to turn off logging of successful connections for the line
|
|
# receiver, set this to False
|
|
# LOG_LISTENER_CONN_SUCCESS = True
|
|
|
|
# In order to turn off logging of metrics with no corresponding
|
|
# aggregation rules receiver, set this to False
|
|
# LOG_AGGREGATOR_MISSES = False
|
|
|
|
# Specify the user to drop privileges to
|
|
# If this is blank carbon-aggregator runs as the user that invokes it
|
|
# USER =
|
|
|
|
# Part of the code, and particularly aggregator rules, need
|
|
# to cache metric names. To avoid leaking too much memory you
|
|
# can tweak the size of this cache. The default allow for 1M
|
|
# different metrics per rule (~200MiB).
|
|
# CACHE_METRIC_NAMES_MAX=1000000
|
|
|
|
# You can optionally set a ttl to this cache.
|
|
# CACHE_METRIC_NAMES_TTL=600
|