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https://issues.apache.org/jira/browse/HBASE-21338?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16661742#comment-16661742
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Hudson commented on HBASE-21338:
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Results for branch branch-2.0
[build #1004 on
builds.a.o|https://builds.apache.org/job/HBase%20Nightly/job/branch-2.0/1004/]:
(x) *{color:red}-1 overall{color}*
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details (if available):
(/) {color:green}+1 general checks{color}
-- For more information [see general
report|https://builds.apache.org/job/HBase%20Nightly/job/branch-2.0/1004//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/branch-2.0/1004//JDK8_Nightly_Build_Report_(Hadoop2)/]
(/) {color:green}+1 jdk8 hadoop3 checks{color}
-- For more information [see jdk8 (hadoop3)
report|https://builds.apache.org/job/HBase%20Nightly/job/branch-2.0/1004//JDK8_Nightly_Build_Report_(Hadoop3)/]
(/) {color:green}+1 source release artifact{color}
-- See build output for details.
> [balancer] If balancer is an ill-fit for cluster size, it gives little
> indication
> ---------------------------------------------------------------------------------
>
> Key: HBASE-21338
> URL: https://issues.apache.org/jira/browse/HBASE-21338
> Project: HBase
> Issue Type: Sub-task
> Components: Balancer, Operability
> Reporter: stack
> Assignee: Xu Cang
> Priority: Major
> Fix For: 3.0.0, 2.2.0, 2.1.1, 2.0.3
>
> Attachments: HBASE-21338.master.001.patch
>
>
> See parent issue. Running balancer on a cluster where the max steps was way
> inadequate, the balancer gave little to no indication that it was
> ill-configured. In fact, it only logged its starting and then that there was
> nothing to do though the cluster was obviously out-of-whack.
> Ideally the balancer would complain when say the maxSteps limit is a small
> fraction of what the cluster's calculated max steps are, or it would notice
> that the balancer is making little progress on an imbalanced cluster and
> shout. Can we set balancer configs w/o having to restart Master?
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