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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-11618) Block Storage: Add Support for Direct I/O
Date Tue, 24 Apr 2018 20:48:05 GMT

    [ https://issues.apache.org/jira/browse/HDFS-11618?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16450619#comment-16450619
] 

Hudson commented on HDFS-11618:
-------------------------------

SUCCESS: Integrated in Jenkins build Hadoop-trunk-Commit #14057 (See [https://builds.apache.org/job/Hadoop-trunk-Commit/14057/])
HDFS-11618. Block Storage: Add Support for Direct I/O. Contributed by (cliang: rev 349a19b2ada865962be83c2035cbe7b046839e71)
* (edit) hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/cblock/jscsiHelper/cache/impl/AsyncBlockWriter.java
* (edit) hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/cblock/TestLocalBlockCache.java
* (edit) hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/cblock/jscsiHelper/CBlockTargetMetrics.java


> Block Storage: Add Support for Direct I/O
> -----------------------------------------
>
>                 Key: HDFS-11618
>                 URL: https://issues.apache.org/jira/browse/HDFS-11618
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>          Components: ozone
>            Reporter: Mukul Kumar Singh
>            Assignee: Mukul Kumar Singh
>            Priority: Major
>         Attachments: HDFS-11618-HDFS-7240.001.patch, HDFS-11618-HDFS-7240.002.patch
>
>
> Currently Block Storage write the data to a leveldb Cache and then flushes the data to
the containers. This behavior should be configurable and support should be added to write
the data directly to the containers.



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