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add partition numbers

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This commit is contained in:
Alex Bochkov
2019-06-14 20:54:55 -07:00
committed by GitHub
parent c2f495b759
commit c7d5cfe7af
1 changed files with 11 additions and 8 deletions
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QueryTemplates/Performance/index-fragmentation.sql
+11 -8
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@@ -1,13 +1,15 @@
SELECT dbschemas.[name] as 'Schema',
dbtables.[name] as 'Table',
dbindexes.[name] as 'Index',
--averaging this number across all partitions is not correct (page_count must bw accounted) but it is okay for my needs
AVG(indexstats.avg_fragmentation_in_percent) AS avg_fragmentation_in_percent,
SUM(indexstats.page_count) AS page_count,
'ALTER INDEX ['+dbindexes.[name]+'] ON [' + dbschemas.name + '].['+dbtables.[name]+'] REORGANIZE;' AS CmdReorg,
'ALTER INDEX ['+dbindexes.[name]+'] ON [' + dbschemas.name + '].['+dbtables.[name]+'] REBUILD ' +
'WITH (ONLINE = ON (WAIT_AT_LOW_PRIORITY ( MAX_DURATION = 1 MINUTES, ABORT_AFTER_WAIT = SELF )), ' +
'SORT_IN_TEMPDB = ON);' AS CmdRebuild
indexstats.partition_number,
FORMAT(AVG(indexstats.avg_fragmentation_in_percent), 'N2') AS avg_fragmentation_in_percent,
FORMAT(SUM(indexstats.page_count), 'N0') AS page_count,
'ALTER INDEX ['+dbindexes.[name]+'] ON [' + dbschemas.name + '].['+dbtables.[name]+'] REORGANIZE PARTITION = '
+ CAST(indexstats.partition_number AS VARCHAR(3)) + ';' AS CmdReorg,
'ALTER INDEX ['+dbindexes.[name]+'] ON [' + dbschemas.name + '].['+dbtables.[name]+'] REBUILD PARTITION = '
+ CAST(indexstats.partition_number AS VARCHAR(3))
+ 'WITH (ONLINE = ON (WAIT_AT_LOW_PRIORITY ( MAX_DURATION = 1 MINUTES, ABORT_AFTER_WAIT = SELF )), '
+ 'SORT_IN_TEMPDB = ON);' AS CmdRebuild
FROM sys.dm_db_index_physical_stats (DB_ID(), NULL, NULL, NULL, NULL) AS indexstats
INNER JOIN sys.tables dbtables on dbtables.[object_id] = indexstats.[object_id]
INNER JOIN sys.schemas dbschemas on dbtables.[schema_id] = dbschemas.[schema_id]
@@ -18,5 +20,6 @@ WHERE indexstats.database_id = DB_ID()
AND dbindexes.[name] IS NOT NULL
GROUP BY dbschemas.[name],
dbtables.[name],
dbindexes.[name]
dbindexes.[name],
indexstats.partition_number
ORDER BY avg_fragmentation_in_percent DESC