exporters/otlp: default max request size to 64 MiB (#8365)

Per https://github.com/open-telemetry/opentelemetry-proto/pull/782 where
we agreed to have 64 MiB as the default limit.

CHANGELOG.md

@@ -67,18 +67,18 @@ This project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.htm
 
 - Fix `FixedSizeReservoir` in `go.opentelemetry.io/otel/sdk/metric/exemplar` to safely handle zero size.
   A capacity check in the constructor initializes the reservoir safely and skips initialization for zero-cap; early returns in `Offer()` and `Collect()` ensure no-op behavior. (#8295)
-- Limit OTLP request size to 32 MiB by default in `go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracegrpc`.
-  The limit applies before compression, oversized requests are treated as non-retryable errors, and the limit can be configured with the new `WithMaxRequestSize` option. (#8157)
-- Limit OTLP request size to 32 MiB by default in `go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracehttp`.
-  The limit applies before compression, oversized requests are treated as non-retryable errors, and the limit can be configured with the new `WithMaxRequestSize` option. (#8157)
-- Limit OTLP request size to 32 MiB by default in `go.opentelemetry.io/otel/exporters/otlp/otlpmetric/otlpmetricgrpc`.
-  The limit applies before compression, oversized requests are treated as non-retryable errors, and the limit can be configured with the new `WithMaxRequestSize` option. (#8157)
-- Limit OTLP request size to 32 MiB by default in `go.opentelemetry.io/otel/exporters/otlp/otlpmetric/otlpmetrichttp`.
-  The limit applies before compression, oversized requests are treated as non-retryable errors, and the limit can be configured with the new `WithMaxRequestSize` option. (#8157)
-- Limit OTLP request size to 32 MiB by default in `go.opentelemetry.io/otel/exporters/otlp/otlplog/otlploggrpc`.
-  The limit applies before compression, oversized requests are treated as non-retryable errors, and the limit can be configured with the new `WithMaxRequestSize` option. (#8157)
-- Limit OTLP request size to 32 MiB by default in `go.opentelemetry.io/otel/exporters/otlp/otlplog/otlploghttp`.
-  The limit applies before compression, oversized requests are treated as non-retryable errors, and the limit can be configured with the new `WithMaxRequestSize` option. (#8157)
+- Limit OTLP request size to 64 MiB by default in `go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracegrpc`.
+  The limit applies before compression, oversized requests are treated as non-retryable errors, and the limit can be configured with the new `WithMaxRequestSize` option. (#8157, #8365)
+- Limit OTLP request size to 64 MiB by default in `go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracehttp`.
+  The limit applies before compression, oversized requests are treated as non-retryable errors, and the limit can be configured with the new `WithMaxRequestSize` option. (#8157, #8365)
+- Limit OTLP request size to 64 MiB by default in `go.opentelemetry.io/otel/exporters/otlp/otlpmetric/otlpmetricgrpc`.
+  The limit applies before compression, oversized requests are treated as non-retryable errors, and the limit can be configured with the new `WithMaxRequestSize` option. (#8157, #8365)
+- Limit OTLP request size to 64 MiB by default in `go.opentelemetry.io/otel/exporters/otlp/otlpmetric/otlpmetrichttp`.
+  The limit applies before compression, oversized requests are treated as non-retryable errors, and the limit can be configured with the new `WithMaxRequestSize` option. (#8157, #8365)
+- Limit OTLP request size to 64 MiB by default in `go.opentelemetry.io/otel/exporters/otlp/otlplog/otlploggrpc`.
+  The limit applies before compression, oversized requests are treated as non-retryable errors, and the limit can be configured with the new `WithMaxRequestSize` option. (#8157, #8365)
+- Limit OTLP request size to 64 MiB by default in `go.opentelemetry.io/otel/exporters/otlp/otlplog/otlploghttp`.
+  The limit applies before compression, oversized requests are treated as non-retryable errors, and the limit can be configured with the new `WithMaxRequestSize` option. (#8157, #8365)
 - Fix gzipped request body replay on redirect in `go.opentelemetry.io/otel/exporters/otlp/otlpmetric/otlpmetrichttp`. (#8135)
 - Fix gzipped request body replay on redirect in `go.opentelemetry.io/otel/exporters/otlp/otlplog/otlploghttp`. (#8152)
 - `go.opentelemetry.io/otel/exporters/prometheus` now uses `Value.String` formatting for label values following the [OpenTelemetry AnyValue representation for non-OTLP protocols](https://opentelemetry.io/docs/specs/otel/common/#anyvalue). (#8170)

exporters/otlp/otlplog/otlploggrpc/config.go

@@ -27,7 +27,7 @@ import (
 var (
 	defaultEndpoint       = "localhost:4317"
 	defaultTimeout        = 10 * time.Second
-	defaultMaxRequestSize = 32 * 1024 * 1024
+	defaultMaxRequestSize = 64 * 1024 * 1024
 	defaultRetryCfg       = retry.DefaultConfig
 )
 

exporters/otlp/otlplog/otlploggrpc/config_test.go

@@ -497,7 +497,7 @@ func TestNewConfig(t *testing.T) {
 			}(otel.GetErrorHandler()))
 			c := newConfig(tc.options)
 			if !tc.want.maxRequestSize.Set {
-				tc.want.maxRequestSize = newSetting(defaultMaxRequestSize)
+				tc.want.maxRequestSize = newSetting(64 * 1024 * 1024)
 			}
 
 			// Do not compare pointer values.

exporters/otlp/otlplog/otlploghttp/config.go

@@ -26,7 +26,7 @@ var (
 	defaultEndpoint                              = "localhost:4318"
 	defaultPath                                  = "/v1/logs"
 	defaultTimeout                               = 10 * time.Second
-	defaultMaxRequestSize                        = 32 * 1024 * 1024
+	defaultMaxRequestSize                        = 64 * 1024 * 1024
 	defaultProxy          HTTPTransportProxyFunc = http.ProxyFromEnvironment
 	defaultRetryCfg                              = retry.DefaultConfig
 )

exporters/otlp/otlplog/otlploghttp/config_test.go

@@ -512,7 +512,7 @@ func TestNewConfig(t *testing.T) {
 			}(otel.GetErrorHandler()))
 			c := newConfig(tc.options)
 			if !tc.want.maxRequestSize.Set {
-				tc.want.maxRequestSize = newSetting(defaultMaxRequestSize)
+				tc.want.maxRequestSize = newSetting(64 * 1024 * 1024)
 			}
 
 			// Do not compare pointer values.

exporters/otlp/otlpmetric/otlpmetricgrpc/internal/oconf/options.go

@@ -37,7 +37,7 @@ const (
 	DefaultMetricsPath string = "/v1/metrics"
 	// DefaultMaxRequestSize is the default maximum size of a serialized export
 	// request, before compression.
-	DefaultMaxRequestSize int = 32 * 1024 * 1024
+	DefaultMaxRequestSize int = 64 * 1024 * 1024
 	// DefaultBackoff is a default base backoff time used in the
 	// exponential backoff strategy.
 	DefaultBackoff time.Duration = 300 * time.Millisecond

exporters/otlp/otlpmetric/otlpmetricgrpc/internal/oconf/options_test.go

@@ -79,7 +79,7 @@ func TestConfigs(t *testing.T) {
 				}
 				assert.Equal(t, NoCompression, c.Metrics.Compression)
 				assert.Equal(t, map[string]string(nil), c.Metrics.Headers)
-				assert.Equal(t, DefaultMaxRequestSize, c.Metrics.MaxRequestSize)
+				assert.Equal(t, 64*1024*1024, c.Metrics.MaxRequestSize)
 				assert.Equal(t, 10*time.Second, c.Metrics.Timeout)
 			},
 		},

exporters/otlp/otlpmetric/otlpmetrichttp/internal/oconf/options.go

@@ -37,7 +37,7 @@ const (
 	DefaultMetricsPath string = "/v1/metrics"
 	// DefaultMaxRequestSize is the default maximum size of a serialized export
 	// request, before compression.
-	DefaultMaxRequestSize int = 32 * 1024 * 1024
+	DefaultMaxRequestSize int = 64 * 1024 * 1024
 	// DefaultBackoff is a default base backoff time used in the
 	// exponential backoff strategy.
 	DefaultBackoff time.Duration = 300 * time.Millisecond

exporters/otlp/otlpmetric/otlpmetrichttp/internal/oconf/options_test.go

@@ -79,7 +79,7 @@ func TestConfigs(t *testing.T) {
 				}
 				assert.Equal(t, NoCompression, c.Metrics.Compression)
 				assert.Equal(t, map[string]string(nil), c.Metrics.Headers)
-				assert.Equal(t, DefaultMaxRequestSize, c.Metrics.MaxRequestSize)
+				assert.Equal(t, 64*1024*1024, c.Metrics.MaxRequestSize)
 				assert.Equal(t, 10*time.Second, c.Metrics.Timeout)
 			},
 		},

exporters/otlp/otlptrace/otlptracegrpc/internal/otlpconfig/options.go

@@ -33,7 +33,7 @@ const (
 	DefaultTracesPath string = "/v1/traces"
 	// DefaultMaxRequestSize is the default maximum size of a serialized export
 	// request, before compression.
-	DefaultMaxRequestSize int = 32 * 1024 * 1024
+	DefaultMaxRequestSize int = 64 * 1024 * 1024
 	// DefaultTimeout is a default max waiting time for the backend to process
 	// each span batch.
 	DefaultTimeout time.Duration = 10 * time.Second

exporters/otlp/otlptrace/otlptracegrpc/internal/otlpconfig/options_test.go

@@ -77,7 +77,7 @@ func TestConfigs(t *testing.T) {
 				}
 				assert.Equal(t, NoCompression, c.Traces.Compression)
 				assert.Equal(t, map[string]string(nil), c.Traces.Headers)
-				assert.Equal(t, DefaultMaxRequestSize, c.Traces.MaxRequestSize)
+				assert.Equal(t, 64*1024*1024, c.Traces.MaxRequestSize)
 				assert.Equal(t, 10*time.Second, c.Traces.Timeout)
 			},
 		},

exporters/otlp/otlptrace/otlptracehttp/internal/otlpconfig/options.go

@@ -33,7 +33,7 @@ const (
 	DefaultTracesPath string = "/v1/traces"
 	// DefaultMaxRequestSize is the default maximum size of a serialized export
 	// request, before compression.
-	DefaultMaxRequestSize int = 32 * 1024 * 1024
+	DefaultMaxRequestSize int = 64 * 1024 * 1024
 	// DefaultTimeout is a default max waiting time for the backend to process
 	// each span batch.
 	DefaultTimeout time.Duration = 10 * time.Second

exporters/otlp/otlptrace/otlptracehttp/internal/otlpconfig/options_test.go

@@ -77,7 +77,7 @@ func TestConfigs(t *testing.T) {
 				}
 				assert.Equal(t, NoCompression, c.Traces.Compression)
 				assert.Equal(t, map[string]string(nil), c.Traces.Headers)
-				assert.Equal(t, DefaultMaxRequestSize, c.Traces.MaxRequestSize)
+				assert.Equal(t, 64*1024*1024, c.Traces.MaxRequestSize)
 				assert.Equal(t, 10*time.Second, c.Traces.Timeout)
 			},
 		},

internal/shared/otlp/otlpmetric/oconf/options.go.tmpl

@@ -37,7 +37,7 @@ const (
 	DefaultMetricsPath string = "/v1/metrics"
 	// DefaultMaxRequestSize is the default maximum size of a serialized export
 	// request, before compression.
-	DefaultMaxRequestSize int = 32 * 1024 * 1024
+	DefaultMaxRequestSize int = 64 * 1024 * 1024
 	// DefaultBackoff is a default base backoff time used in the
 	// exponential backoff strategy.
 	DefaultBackoff time.Duration = 300 * time.Millisecond

internal/shared/otlp/otlpmetric/oconf/options_test.go.tmpl

@@ -79,7 +79,7 @@ func TestConfigs(t *testing.T) {
 				}
 				assert.Equal(t, NoCompression, c.Metrics.Compression)
 				assert.Equal(t, map[string]string(nil), c.Metrics.Headers)
-				assert.Equal(t, DefaultMaxRequestSize, c.Metrics.MaxRequestSize)
+				assert.Equal(t, 64*1024*1024, c.Metrics.MaxRequestSize)
 				assert.Equal(t, 10*time.Second, c.Metrics.Timeout)
 			},
 		},

internal/shared/otlp/otlptrace/otlpconfig/options.go.tmpl

@@ -33,7 +33,7 @@ const (
 	DefaultTracesPath string = "/v1/traces"
 	// DefaultMaxRequestSize is the default maximum size of a serialized export
 	// request, before compression.
-	DefaultMaxRequestSize int = 32 * 1024 * 1024
+	DefaultMaxRequestSize int = 64 * 1024 * 1024
 	// DefaultTimeout is a default max waiting time for the backend to process
 	// each span batch.
 	DefaultTimeout time.Duration = 10 * time.Second

internal/shared/otlp/otlptrace/otlpconfig/options_test.go.tmpl

@@ -77,7 +77,7 @@ func TestConfigs(t *testing.T) {
 				}
 				assert.Equal(t, NoCompression, c.Traces.Compression)
 				assert.Equal(t, map[string]string(nil), c.Traces.Headers)
-				assert.Equal(t, DefaultMaxRequestSize, c.Traces.MaxRequestSize)
+				assert.Equal(t, 64*1024*1024, c.Traces.MaxRequestSize)
 				assert.Equal(t, 10*time.Second, c.Traces.Timeout)
 			},
 		},