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https://issues.apache.org/jira/browse/HBASE-19435?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16720757#comment-16720757
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Hudson commented on HBASE-19435:
--------------------------------
SUCCESS: Integrated in Jenkins build HBase-1.3-IT #509 (See
[https://builds.apache.org/job/HBase-1.3-IT/509/])
HBASE-19435 Reopen Files for ClosedChannelException in BucketCache (apurtell:
rev 4b6e589bbbe600ad68c205c758ea7f90ff3c67c7)
* (edit)
hbase-server/src/test/java/org/apache/hadoop/hbase/io/hfile/bucket/TestFileIOEngine.java
* (edit)
hbase-server/src/main/java/org/apache/hadoop/hbase/io/hfile/bucket/FileIOEngine.java
> Reopen Files for ClosedChannelException in BucketCache
> ------------------------------------------------------
>
> Key: HBASE-19435
> URL: https://issues.apache.org/jira/browse/HBASE-19435
> Project: HBase
> Issue Type: Bug
> Components: BucketCache
> Affects Versions: 1.3.1, 2.0.0
> Reporter: Zach York
> Assignee: Zach York
> Priority: Major
> Fix For: 1.4.0, 2.0.0-beta-1, 1.3.3, 2.0.0
>
> Attachments: HBASE-19435.branch-1.001.patch,
> HBASE-19435.master.001.patch, HBASE-19435.master.002.patch,
> HBASE-19435.master.003.patch, HBASE-19435.master.004.patch,
> HBASE-19435.master.005.patch, HBASE-19435.master.006.patch,
> HBASE-19435.master.007.patch, HBASE-19435.master.007.patch
>
>
> When using the FileIOEngine for BucketCache, the cache will be disabled if
> the connection is interrupted or closed. HBase will then get
> ClosedChannelExceptions trying to access the file. After 60s, the RS will
> disable the cache. This causes severe read performance degradation for
> workloads that rely on this cache. FileIOEngine never tries to reopen the
> connection. This JIRA is to reopen files when the BucketCache encounters a
> ClosedChannelException.
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