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https://issues.apache.org/jira/browse/HDFS-17359?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Takanobu Asanuma resolved HDFS-17359.
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Fix Version/s: 3.3.9
3.4.1
3.5.0
Resolution: Fixed
> EC: recheck failed streamers should only after flushing all packets.
> --------------------------------------------------------------------
>
> Key: HDFS-17359
> URL: https://issues.apache.org/jira/browse/HDFS-17359
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: ec
> Reporter: farmmamba
> Assignee: farmmamba
> Priority: Minor
> Labels: pull-request-available
> Fix For: 3.3.9, 3.4.1, 3.5.0
>
>
> In method DFSStripedOutputStream#checkStreamerFailures, we have below codes:
> {code:java}
> Set<StripedDataStreamer> newFailed = checkStreamers();
> if (newFailed.size() == 0) {
> return;
> } if (isNeedFlushAllPackets) {
> // for healthy streamers, wait till all of them have fetched the new
> block
> // and flushed out all the enqueued packets.
> flushAllInternals();
> }
> // recheck failed streamers again after the flush
> newFailed = checkStreamers(); {code}
> We should better move the re-check logic into if condition to reduce useless
> invocation.
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