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Posted to issues@hbase.apache.org by "Hudson (JIRA)" <ji...@apache.org> on 2018/04/09 05:43:03 UTC
[jira] [Commented] (HBASE-20280) Fix possibility of deadlocking in
refreshFileConnections when prefetch is enabled
[ https://issues.apache.org/jira/browse/HBASE-20280?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16430046#comment-16430046 ]
Hudson commented on HBASE-20280:
--------------------------------
Results for branch HBASE-19064
[build #90 on builds.a.o|https://builds.apache.org/job/HBase%20Nightly/job/HBASE-19064/90/]: (x) *{color:red}-1 overall{color}*
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details (if available):
(x) {color:red}-1 general checks{color}
-- For more information [see general report|https://builds.apache.org/job/HBase%20Nightly/job/HBASE-19064/90//General_Nightly_Build_Report/]
(x) {color:red}-1 jdk8 hadoop2 checks{color}
-- For more information [see jdk8 (hadoop2) report|https://builds.apache.org/job/HBase%20Nightly/job/HBASE-19064/90//JDK8_Nightly_Build_Report_(Hadoop2)/]
(x) {color:red}-1 jdk8 hadoop3 checks{color}
-- For more information [see jdk8 (hadoop3) report|https://builds.apache.org/job/HBase%20Nightly/job/HBASE-19064/90//JDK8_Nightly_Build_Report_(Hadoop3)/]
(/) {color:green}+1 source release artifact{color}
-- See build output for details.
> Fix possibility of deadlocking in refreshFileConnections when prefetch is enabled
> ---------------------------------------------------------------------------------
>
> Key: HBASE-20280
> URL: https://issues.apache.org/jira/browse/HBASE-20280
> Project: HBase
> Issue Type: Bug
> Components: BucketCache
> Affects Versions: 2.0.0-beta-2, 1.4.2
> Reporter: Zach York
> Assignee: Zach York
> Priority: Major
> Fix For: 1.5.0, 1.4.4, 2.0.0
>
> Attachments: HBASE-20280.master.001.patch
>
>
> When prefetch on open is specified, there is a deadlocking case
> where if the prefetch is cancelled, the PrefetchExecutor interrupts
> the threads if necessary, when that happens in FileIOEngine, it
> causes an ClosedByInterruptException which is a subclass of
> ClosedChannelException. If we retry all ClosedChannelExceptions,
> this will lock as this access is expected to be interrupted.
> This change removes calling refreshFileConnections for
> ClosedByInterruptExceptions.
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