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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-12546) Ozone: DB listing operation performance improvement
Date Tue, 24 Apr 2018 20:58:07 GMT

    [ https://issues.apache.org/jira/browse/HDFS-12546?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16451067#comment-16451067
] 

Hudson commented on HDFS-12546:
-------------------------------

SUCCESS: Integrated in Jenkins build Hadoop-trunk-Commit #14057 (See [https://builds.apache.org/job/Hadoop-trunk-Commit/14057/])
HDFS-12546. Ozone: DB listing operation performance improvement. (cliang: rev 385c6cdcceff890d801f5858ea78b083a0e2b508)
* (edit) hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/ozone/container/common/statemachine/background/BlockDeletingService.java
* (edit) hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/ozone/ksm/KSMMetadataManagerImpl.java
* (edit) hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/ozone/scm/container/ContainerMapping.java
* (edit) hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/ozone/container/common/impl/KeyManagerImpl.java
* (edit) hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/ozone/container/common/impl/ContainerManagerImpl.java


> Ozone: DB listing operation performance improvement
> ---------------------------------------------------
>
>                 Key: HDFS-12546
>                 URL: https://issues.apache.org/jira/browse/HDFS-12546
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>          Components: ozone
>            Reporter: Weiwei Yang
>            Assignee: Weiwei Yang
>            Priority: Major
>              Labels: performance
>         Attachments: HDFS-12546-HDFS-7240.001.patch
>
>
> While investigating HDFS-12506, I found there are several {{getRangeKVs}} can be replaced
by {{getSequentialRangeKVs}} to improve the performance. This JIRA is to track these improvements
with sufficient tests.



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