You are viewing a plain text version of this content. The canonical link for it is here.
Posted to issues@hbase.apache.org by "Hudson (JIRA)" <ji...@apache.org> on 2016/11/19 23:26:58 UTC
[jira] [Commented] (HBASE-12748)
RegionCoprocessorHost.execOperation creates too many iterator objects
[ https://issues.apache.org/jira/browse/HBASE-12748?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15680041#comment-15680041 ]
Hudson commented on HBASE-12748:
--------------------------------
SUCCESS: Integrated in Jenkins build HBase-1.1-JDK8 #1905 (See [https://builds.apache.org/job/HBase-1.1-JDK8/1905/])
HBASE-12748 RegionCoprocessorHost.execOperation creates too many (tedyu: rev 47423c450dccda0a4fa9c7727e87ddd558db0c02)
* (edit) hbase-server/src/main/java/org/apache/hadoop/hbase/master/MasterCoprocessorHost.java
* (edit) hbase-server/src/main/java/org/apache/hadoop/hbase/coprocessor/CoprocessorHost.java
* (add) hbase-server/src/test/java/org/apache/hadoop/hbase/util/TestSortedList.java
* (edit) hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/wal/WALCoprocessorHost.java
* (edit) hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/RegionCoprocessorHost.java
* (edit) hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/RegionServerCoprocessorHost.java
* (add) hbase-server/src/main/java/org/apache/hadoop/hbase/util/SortedList.java
> RegionCoprocessorHost.execOperation creates too many iterator objects
> ---------------------------------------------------------------------
>
> Key: HBASE-12748
> URL: https://issues.apache.org/jira/browse/HBASE-12748
> Project: HBase
> Issue Type: Sub-task
> Affects Versions: 0.94.25, 0.98.9
> Reporter: Vladimir Rodionov
> Assignee: Andrew Purtell
> Fix For: 2.0.0, 1.2.0, 1.3.0, 0.98.15, 1.1.8
>
> Attachments: HBASE-12748.patch, HBASE-12748.patch, HBase-12748.patch
>
>
> This is typical pattern of enhanced for ... loop usage in a hot code path. For every HBase operation it instantiates iterator for coprocessor list twice.
--
This message was sent by Atlassian JIRA
(v6.3.4#6332)