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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-18714) The dropBehind and readahead don't be applied when useHBaseChecksum is enabled
Date Wed, 30 Aug 2017 08:12:00 GMT

    [ https://issues.apache.org/jira/browse/HBASE-18714?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16146862#comment-16146862
] 

Hudson commented on HBASE-18714:
--------------------------------

FAILURE: Integrated in Jenkins build HBase-Trunk_matrix #3623 (See [https://builds.apache.org/job/HBase-Trunk_matrix/3623/])
HBASE-18714 The dropBehind and readahead don't be applied when (chia7712: rev 899255b76cb6998ff4d05b5412d9a7416207ae97)
* (edit) hbase-server/src/main/java/org/apache/hadoop/hbase/io/FSDataInputStreamWrapper.java


> The dropBehind and readahead don't be applied when useHBaseChecksum is enabled
> ------------------------------------------------------------------------------
>
>                 Key: HBASE-18714
>                 URL: https://issues.apache.org/jira/browse/HBASE-18714
>             Project: HBase
>          Issue Type: Bug
>            Reporter: Chia-Ping Tsai
>            Assignee: Chia-Ping Tsai
>            Priority: Minor
>             Fix For: 2.0.0-alpha-3
>
>         Attachments: HBASE-18714.v0.patch
>
>
> {code:title=FSDataInputStreamWrapper}
>   private void setStreamOptions(FSDataInputStream in) {
>     try {
>       this.stream.setDropBehind(dropBehind);
>     } catch (Exception e) {
>       // Skipped.
>     }
>     if (readahead >= 0) {
>       try {
>         this.stream.setReadahead(readahead);
>       } catch (Exception e) {
>         // Skipped.
>       }
>     }
>   }
> {code}



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