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https://issues.apache.org/jira/browse/HBASE-27888?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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chaijunjie reassigned HBASE-27888:
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Assignee: chaijunjie
> Record readBlock message in log when it takes too long time
> -----------------------------------------------------------
>
> Key: HBASE-27888
> URL: https://issues.apache.org/jira/browse/HBASE-27888
> Project: HBase
> Issue Type: Improvement
> Components: HFile
> Affects Versions: 2.4.15, 2.5.3, 2.4.17
> Reporter: chaijunjie
> Assignee: chaijunjie
> Priority: Minor
>
> After HBASE-15160， we can record the readBlock message by TRACE log in
> org.apache.hadoop.hbase.io.hfile.HFileBlock.FSReaderImpl#readBlockDataInternal，
> But it record all read block message in TRACE log， some times， we only focus
> the block read cost too much time..
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