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https://issues.apache.org/jira/browse/HBASE-21290?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16651696#comment-16651696
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Hudson commented on HBASE-21290:
--------------------------------

Results for branch master
        [build #549 on 
builds.a.o|https://builds.apache.org/job/HBase%20Nightly/job/master/549/]: (x) 
*{color:red}-1 overall{color}*
----
details (if available):

(/) {color:green}+1 general checks{color}
-- For more information [see general 
report|https://builds.apache.org/job/HBase%20Nightly/job/master/549//General_Nightly_Build_Report/]




(x) {color:red}-1 jdk8 hadoop2 checks{color}
-- For more information [see jdk8 (hadoop2) 
report|https://builds.apache.org/job/HBase%20Nightly/job/master/549//JDK8_Nightly_Build_Report_(Hadoop2)/]


(x) {color:red}-1 jdk8 hadoop3 checks{color}
-- For more information [see jdk8 (hadoop3) 
report|https://builds.apache.org/job/HBase%20Nightly/job/master/549//JDK8_Nightly_Build_Report_(Hadoop3)/]


(/) {color:green}+1 source release artifact{color}
-- See build output for details.


(/) {color:green}+1 client integration test{color}


> No need to instantiate BlockCache for master which not carry table
> ------------------------------------------------------------------
>
>                 Key: HBASE-21290
>                 URL: https://issues.apache.org/jira/browse/HBASE-21290
>             Project: HBase
>          Issue Type: Improvement
>            Reporter: Guanghao Zhang
>            Assignee: Guanghao Zhang
>            Priority: Major
>             Fix For: 3.0.0, 2.2.0, 2.1.1, 2.0.3
>
>         Attachments: HBASE-21290.master.001.patch, 
> HBASE-21290.master.002.patch, HBASE-21290.master.003.patch, 
> HBASE-21290.master.004.patch
>
>
> In our production clusters, we use different jvm config for 
> master/regionserver but use same hbase-site.xml for master/regionserver. And 
> master has a small heap/offheap config. So the regionserver's 
> hbase.bucketcache.size is not suitable for master. I thought we don't need to 
> instantiate BlockCache for master which not carry table.



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