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Konstantin Shvachko commented on HDFS-11898: -------------------------------------------- The concept of {{HEDGED_READ_THREAD_POOL}} looks broken to me. * I think we should not have it static and name it up to naming conventions: {{hedgedReadThreadPool}}. * DFSClients are cached so this will be a common pool per URI. Keeping it common for all URIs is not right. * Also I think we should reset {{hedgedReadThreadPool}} in {{initThreadsNumForHedgedReads()}} when the number of threads is {{num <= 0}}. Now we reset the pool if {{num > 0}}, why 0 should be different. * This should solve HDFS-11900 as well. > DFSClient#isHedgedReadsEnabled() should be per client flag > ----------------------------------------------------------- > > Key: HDFS-11898 > URL: https://issues.apache.org/jira/browse/HDFS-11898 > Project: Hadoop HDFS > Issue Type: Bug > Components: hdfs-client > Reporter: Vinayakumar B > Assignee: Vinayakumar B > Attachments: HDFS-11898-01.patch > > > DFSClient#isHedgedReadsEnabled() returns value based on static > {{HEDGED_READ_THREAD_POOL}}. > Hence if any of the client initialized this in JVM, all remaining client > reads will be going through hedged read itself. > This flag should be per client value. -- This message was sent by Atlassian JIRA (v6.3.15#6346) --------------------------------------------------------------------- To unsubscribe, e-mail: hdfs-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: hdfs-issues-h...@hadoop.apache.org