Duo Zhang created HBASE-28972:
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Summary: Limit the number of retries in
FanOutOneBlockAsyncDFSOutputHelper.completeFile
Key: HBASE-28972
URL: https://issues.apache.org/jira/browse/HBASE-28972
Project: HBase
Issue Type: Improvement
Reporter: Duo Zhang
After HBASE-28955, when shutting down MiniDFSCluster, we will close all the
output streams.
And in some WAL related tests, we want to keep the WAL file as open so we set
namenode to safe mode before shutting down, like TestWALFactory.testAppendClose.
And in FanOutOneBlockAsyncDFSOutputHelper.completeFile, we will only give up
when hitting LeaseExpireException, so in this scenario, we will block there
forever...
In general, if there is an error while complete file, we could go with the
recoverLease logic so it is OK to throw exception when completeFile. We should
change the implementation so it does not block there forever.
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