JiangHua Zhu created HDFS-15887:
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Summary: Solve the uneven rolling edit log file
Key: HDFS-15887
URL: https://issues.apache.org/jira/browse/HDFS-15887
Project: Hadoop HDFS
Issue Type: Improvement
Reporter: JiangHua Zhu
Attachments: edit_files.jpg
When checkpoint action and roll edit log action occur at the same time, the
generated edit file will be larger, which is unfavorable for the tail edit file.
For example, here is an actual effect:
The StandbyCheckpointer log is triggered as follows:
2021-03-11 09:18:42,513 [769071096]-INFO [Standby State
Checkpointer:StandbyCheckpointer$CheckpointerThread@335]-Triggering checkpoint
because there have been 5142154 txns since the last checkpoint, which exceeds
the configured threshold 1000000
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