Details
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Bug
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Status: Resolved
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Major
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Resolution: Fixed
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2.5.0
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Reviewed
Description
Block State Change logs are too noisy at the default INFO level and affect NN performance on busy clusters.
Most of these state changes can be logged at debug level instead.
Attachments
Attachments
Issue Links
- is duplicated by
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HDFS-14981 BlockStateChange logging is exceedingly verbose
- Resolved
- is related to
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HADOOP-11430 Add GenericTestUtils#disableLog, GenericTestUtils#setLogLevel
- Closed
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HDFS-7706 Switch BlockManager logging to use slf4j
- Closed
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HDFS-7712 Switch blockStateChangeLog to use slf4j
- Closed
- relates to
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HDFS-9618 Fix mismatch between log level and guard in BlockManager#computeRecoveryWorkForBlocks
- Resolved
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HDFS-9623 Update example configuration of block state change log in log4j.properties
- Resolved