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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-8916) Optimize usage of Jackson's ObjectMapper
Date Wed, 10 Jul 2013 19:23:48 GMT

    [ https://issues.apache.org/jira/browse/HBASE-8916?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13704944#comment-13704944
] 

Hudson commented on HBASE-8916:
-------------------------------

Integrated in hbase-0.95 #309 (See [https://builds.apache.org/job/hbase-0.95/309/])
    HBASE-8916 Optimize usage of Jackson's ObjectMapper (Revision 1501839)

     Result = SUCCESS
stack : 
Files : 
* /hbase/branches/0.95/hbase-client/src/main/java/org/apache/hadoop/hbase/client/Operation.java
* /hbase/branches/0.95/hbase-server/src/main/java/org/apache/hadoop/hbase/ipc/RpcServer.java
* /hbase/branches/0.95/hbase-server/src/main/java/org/apache/hadoop/hbase/monitoring/MonitoredTaskImpl.java
* /hbase/branches/0.95/hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/wal/HLogPrettyPrinter.java

                
> Optimize usage of Jackson's ObjectMapper
> ----------------------------------------
>
>                 Key: HBASE-8916
>                 URL: https://issues.apache.org/jira/browse/HBASE-8916
>             Project: HBase
>          Issue Type: Improvement
>            Reporter: Lars Francke
>            Assignee: Lars Francke
>            Priority: Trivial
>             Fix For: 0.95.2
>
>         Attachments: HBASE-8916.1.patch
>
>
> ObjectMapper is fully thread-safe and "relatively" expensive to build. As such it is
recommended to share an instance where possible.
> I'll attach a patch that fixes every instance of ObjectMapper usage to use a private
static field instead.

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