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https://issues.apache.org/jira/browse/HBASE-21406?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17125776#comment-17125776
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Hudson commented on HBASE-21406:
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Results for branch branch-2.3
[build #121 on
builds.a.o|https://builds.apache.org/job/HBase%20Nightly/job/branch-2.3/121/]:
(/) *{color:green}+1 overall{color}*
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details (if available):
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-- For more information [see general
report|https://builds.apache.org/job/HBase%20Nightly/job/branch-2.3/121/General_20Nightly_20Build_20Report/]
(/) {color:green}+1 jdk8 hadoop2 checks{color}
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(/) {color:green}+1 jdk8 hadoop3 checks{color}
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(/) {color:green}+1 jdk11 hadoop3 checks{color}
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(/) {color:green}+1 source release artifact{color}
-- See build output for details.
(/) {color:green}+1 client integration test{color}
> "status 'replication'" should not show SINK if the cluster does not act as
> sink
> -------------------------------------------------------------------------------
>
> Key: HBASE-21406
> URL: https://issues.apache.org/jira/browse/HBASE-21406
> Project: HBase
> Issue Type: Improvement
> Affects Versions: 3.0.0-alpha-1, 2.3.0, 2.4.0, 2.2.5
> Reporter: Daisuke Kobayashi
> Assignee: Wellington Chevreuil
> Priority: Minor
> Fix For: 3.0.0-alpha-1, 2.3.0, 2.4.0
>
> Attachments: HBASE-21406-branch-1.001.patch,
> HBASE-21406-master.001.patch, HBASE-21406-master.002.patch, Screen Shot
> 2018-10-31 at 18.12.54.png
>
>
> When replicating in 1 way, from source to target, {{status 'replication'}} on
> source always dumps SINK with meaningless metrics. It only makes sense when
> running the command on target cluster.
> {{status 'replication'}} on source, for example. {{AgeOfLastAppliedOp}} is
> always zero and {{TimeStampsOfLastAppliedOp}} does not get updated from the
> time the RS started since it's not acting as sink.
> {noformat}
> source-1.com
> SOURCE: PeerID=1, AgeOfLastShippedOp=0, SizeOfLogQueue=0,
> TimeStampsOfLastShippedOp=Mon Oct 29 23:44:14 PDT 2018, Replication Lag=0
> SINK : AgeOfLastAppliedOp=0, TimeStampsOfLastAppliedOp=Thu Oct 25
> 23:56:53 PDT 2018
> {noformat}
> {{status 'replication'}} on target works as expected. SOURCE is empty as it's
> not acting as source:
> {noformat}
> target-1.com
> SOURCE:
> SINK : AgeOfLastAppliedOp=70, TimeStampsOfLastAppliedOp=Mon Oct 29
> 23:44:08 PDT 2018
> {noformat}
> This is because {{getReplicationLoadSink}}, called in {{admin.rb}}, always
> returns a value (not null).
> 1.X
> https://github.com/apache/hbase/blob/rel/1.4.0/hbase-client/src/main/java/org/apache/hadoop/hbase/ServerLoad.java#L194-L204
> 2.X
> https://github.com/apache/hbase/blob/rel/2.0.0/hbase-client/src/main/java/org/apache/hadoop/hbase/ServerLoad.java#L392-L399
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