Ming Ma created HDFS-7123:
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Summary: Run legacy fsimage checkpoint in parallel with PB fsimage
checkpoint
Key: HDFS-7123
URL: https://issues.apache.org/jira/browse/HDFS-7123
Project: Hadoop HDFS
Issue Type: Improvement
Reporter: Ming Ma
HDFS-7097 will address the checkpoint and BR issue. In addition, it might still
be useful to reduce the overall checkpoint duration, given it blocks edit log
replay. If there is large volume of edit log to catch up and NN fail overs, it
will impact the availability.
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