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Fix BatchLogRecordProcessor default schedule_delay_millis to 1000ms per OTel spec #4998

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Merged
xrmx merged 8 commits into from
Apr 3, 2026
Merged

Fix BatchLogRecordProcessor default schedule_delay_millis to 1000ms per OTel spec #4998

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3979f16
Fix BatchLogRecordProcessor default schedule_delay_millis to 1000ms p…
Manvi2402 Mar 18, 2026
039ef13
Update OTEL_BLRP_SCHEDULE_DELAY docstring default to 1000ms and fix C…
Manvi2402 Mar 19, 2026
4a52e74
Apply suggestion from @xrmx
xrmx Mar 19, 2026
06eb065
Merge branch 'main' into fix/batch-log-processor-schedule-delay
xrmx Mar 20, 2026
73b03f3
Update CHANGELOG wording to 'may be' for export frequency
Manvi2402 Mar 28, 2026
c058b51
Merge branch 'fix/batch-log-processor-schedule-delay' of https://gith…
Manvi2402 Mar 28, 2026
96514cd
Apply suggestion from @xrmx
xrmx Apr 3, 2026
0ed243d
Merge branch 'main' into fix/batch-log-processor-schedule-delay
xrmx Apr 3, 2026
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3 changes: 3 additions & 0 deletions CHANGELOG.md
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Expand Up @@ -12,6 +12,9 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0

## Unreleased

- Fix `BatchLogRecordProcessor` default `schedule_delay_millis` from 5000ms to 1000ms to comply with the OTel specification. Note: logs will be exported 5x more frequently by default (e.g. for users who don't explicitly set the `OTEL_BLRP_SCHEDULE_DELAY` env var).
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([#4991](https://github.com/open-telemetry/opentelemetry-python/issues/4991))
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- `opentelemetry-sdk`: Add file configuration support with YAML/JSON loading, environment variable substitution, and schema validation against the vendored OTel config JSON schema
([#4898](https://github.com/open-telemetry/opentelemetry-python/pull/4898))
- Fix intermittent CI failures in `getting-started` and `tracecontext` jobs caused by GitHub git CDN SHA propagation lag by installing contrib packages from the already-checked-out local copy instead of a second git clone
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2 changes: 1 addition & 1 deletion opentelemetry-sdk/src/opentelemetry/sdk/_logs/_internal/export/__init__.py
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Expand Up @@ -44,7 +44,7 @@
)
from opentelemetry.sdk.resources import Resource

_DEFAULT_SCHEDULE_DELAY_MILLIS = 5000
_DEFAULT_SCHEDULE_DELAY_MILLIS = 1000
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_DEFAULT_MAX_EXPORT_BATCH_SIZE = 512
_DEFAULT_EXPORT_TIMEOUT_MILLIS = 30000
_DEFAULT_MAX_QUEUE_SIZE = 2048
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2 changes: 1 addition & 1 deletion opentelemetry-sdk/src/opentelemetry/sdk/environment_variables/__init__.py
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Expand Up @@ -79,7 +79,7 @@
.. envvar:: OTEL_BLRP_SCHEDULE_DELAY

The :envvar:`OTEL_BLRP_SCHEDULE_DELAY` represents the delay interval between two consecutive exports of the BatchLogRecordProcessor.
Default: 5000
Default: 1000
"""

OTEL_BLRP_EXPORT_TIMEOUT = "OTEL_BLRP_EXPORT_TIMEOUT"
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6 changes: 3 additions & 3 deletions opentelemetry-sdk/tests/logs/test_export.py
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Expand Up @@ -513,7 +513,7 @@ def test_args_defaults(self):
log_record_processor._batch_processor._max_queue_size, 2048
)
self.assertEqual(
log_record_processor._batch_processor._schedule_delay, 5
log_record_processor._batch_processor._schedule_delay, 1
)
self.assertEqual(
log_record_processor._batch_processor._max_export_batch_size, 512
Expand Down Expand Up @@ -544,7 +544,7 @@ def test_args_env_var_value_error(self):
log_record_processor._batch_processor._max_queue_size, 2048
)
self.assertEqual(
log_record_processor._batch_processor._schedule_delay, 5
log_record_processor._batch_processor._schedule_delay, 1
)
self.assertEqual(
log_record_processor._batch_processor._max_export_batch_size, 512
Expand All @@ -570,7 +570,7 @@ def test_args_none_defaults(self):
log_record_processor._batch_processor._max_queue_size, 2048
)
self.assertEqual(
log_record_processor._batch_processor._schedule_delay, 5
log_record_processor._batch_processor._schedule_delay, 1
)
self.assertEqual(
log_record_processor._batch_processor._max_export_batch_size, 512
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