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https://issues.apache.org/jira/browse/HBASE-9531?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14050589#comment-14050589
]
Hadoop QA commented on HBASE-9531:
----------------------------------
{color:red}-1 overall{color}. Here are the results of testing the latest
attachment
http://issues.apache.org/jira/secure/attachment/12653628/HBASE-9531-master-v1.patch
against trunk revision .
ATTACHMENT ID: 12653628
{color:green}+1 @author{color}. The patch does not contain any @author
tags.
{color:green}+1 tests included{color}. The patch appears to include 3 new
or modified tests.
{color:green}+1 javac{color}. The applied patch does not increase the
total number of javac compiler warnings.
{color:green}+1 javac{color}. The applied patch does not increase the
total number of javac compiler warnings.
{color:green}+1 javadoc{color}. The javadoc tool did not generate any
warning messages.
{color:red}-1 findbugs{color}. The patch appears to introduce 10 new
Findbugs (version 1.3.9) warnings.
{color:green}+1 release audit{color}. The applied patch does not increase
the total number of release audit warnings.
{color:red}-1 lineLengths{color}. The patch introduces the following lines
longer than 100:
+ result = result && (hasReplicationLoadSourceString() ==
other.hasReplicationLoadSourceString());
+ new java.lang.String[] { "NumberOfRequests",
"TotalNumberOfRequests", "UsedHeapMB", "MaxHeapMB", "RegionLoads",
"Coprocessors", "ReportStartTime", "ReportEndTime", "InfoServerPort",
"ReplicationLoadSourceString", "ReplicationLoadSinkString", });
+ rsource =
org.apache.hadoop.hbase.replication.regionserver.ReplicationLoad::REPLICATIONLOADSOURCE
+ rsink =
org.apache.hadoop.hbase.replication.regionserver.ReplicationLoad::REPLICATIONLOADSINK
{color:green}+1 site{color}. The mvn site goal succeeds with this patch.
{color:red}-1 core tests{color}. The patch failed these unit tests:
org.apache.hadoop.hbase.regionserver.wal.TestLogRolling
Test results:
https://builds.apache.org/job/PreCommit-HBASE-Build/9940//testReport/
Findbugs warnings:
https://builds.apache.org/job/PreCommit-HBASE-Build/9940//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-protocol.html
Findbugs warnings:
https://builds.apache.org/job/PreCommit-HBASE-Build/9940//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-thrift.html
Findbugs warnings:
https://builds.apache.org/job/PreCommit-HBASE-Build/9940//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-client.html
Findbugs warnings:
https://builds.apache.org/job/PreCommit-HBASE-Build/9940//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-hadoop2-compat.html
Findbugs warnings:
https://builds.apache.org/job/PreCommit-HBASE-Build/9940//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-examples.html
Findbugs warnings:
https://builds.apache.org/job/PreCommit-HBASE-Build/9940//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-prefix-tree.html
Findbugs warnings:
https://builds.apache.org/job/PreCommit-HBASE-Build/9940//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-common.html
Findbugs warnings:
https://builds.apache.org/job/PreCommit-HBASE-Build/9940//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-server.html
Findbugs warnings:
https://builds.apache.org/job/PreCommit-HBASE-Build/9940//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-hadoop-compat.html
Console output:
https://builds.apache.org/job/PreCommit-HBASE-Build/9940//console
This message is automatically generated.
> a command line (hbase shell) interface to retreive the replication metrics
> and show replication lag
> ---------------------------------------------------------------------------------------------------
>
> Key: HBASE-9531
> URL: https://issues.apache.org/jira/browse/HBASE-9531
> Project: HBase
> Issue Type: New Feature
> Components: Replication
> Affects Versions: 0.99.0
> Reporter: Demai Ni
> Assignee: Demai Ni
> Fix For: 0.99.0, 0.98.5
>
> Attachments: HBASE-9531-master-v1.patch, HBASE-9531-master-v1.patch,
> HBASE-9531-trunk-v0.patch, HBASE-9531-trunk-v0.patch
>
>
> This jira is to provide a command line (hbase shell) interface to retreive
> the replication metrics info such as:ageOfLastShippedOp,
> timeStampsOfLastShippedOp, sizeOfLogQueue ageOfLastAppliedOp, and
> timeStampsOfLastAppliedOp. And also to provide a point of time info of the
> lag of replication(source only)
> Understand that hbase is using Hadoop
> metrics(http://hbase.apache.org/metrics.html), which is a common way to
> monitor metric info. This Jira is to serve as a light-weight client
> interface, comparing to a completed(certainly better, but heavier)GUI
> monitoring package. I made the code works on 0.94.9 now, and like to use this
> jira to get opinions about whether the feature is valuable to other
> users/workshop. If so, I will build a trunk patch.
> All inputs are greatly appreciated. Thank you!
> The overall design is to reuse the existing logic which supports hbase shell
> command 'status', and invent a new module, called ReplicationLoad. In
> HRegionServer.buildServerLoad() , use the local replication service objects
> to get their loads which could be wrapped in a ReplicationLoad object and
> then simply pass it to the ServerLoad. In ReplicationSourceMetrics and
> ReplicationSinkMetrics, a few getters and setters will be created, and ask
> Replication to build a "ReplicationLoad". (many thanks to Jean-Daniel for
> his kindly suggestions through dev email list)
> the replication lag will be calculated for source only, and use this formula:
> {code:title=Replication lag|borderStyle=solid}
> if sizeOfLogQueue != 0 then max(ageOfLastShippedOp, (current time -
> timeStampsOfLastShippedOp)) //err on the large side
> else if (current time - timeStampsOfLastShippedOp) < 2*
> ageOfLastShippedOp then lag = ageOfLastShippedOp // last shipped happen
> recently
> else lag = 0 // last shipped may happens last night, so NO real lag
> although ageOfLastShippedOp is non-zero
> {code}
> External will look something like:
> {code:title=status 'replication'|borderStyle=solid}
> hbase(main):001:0> status 'replication'
> version 0.94.9
> 3 live servers
> hdtest017.svl.ibm.com:
> SOURCE:PeerID=1, ageOfLastShippedOp=14, sizeOfLogQueue=0,
> timeStampsOfLastShippedOp=Wed Sep 04 14:49:48 PDT 2013
> SINK :AgeOfLastAppliedOp=0, TimeStampsOfLastAppliedOp=Wed Sep 04
> 14:48:48 PDT 2013
> hdtest018.svl.ibm.com:
> SOURCE:PeerID=1, ageOfLastShippedOp=0, sizeOfLogQueue=0,
> timeStampsOfLastShippedOp=Wed Sep 04 14:48:48 PDT 2013
> SINK :AgeOfLastAppliedOp=14, TimeStampsOfLastAppliedOp=Wed Sep 04
> 14:50:59 PDT 2013
> hdtest015.svl.ibm.com:
> SOURCE:PeerID=1, ageOfLastShippedOp=0, sizeOfLogQueue=0,
> timeStampsOfLastShippedOp=Wed Sep 04 14:48:48 PDT 2013
> SINK :AgeOfLastAppliedOp=0, TimeStampsOfLastAppliedOp=Wed Sep 04
> 14:48:48 PDT 2013
> hbase(main):002:0> status 'replication','source'
> version 0.94.9
> 3 live servers
> hdtest017.svl.ibm.com:
> SOURCE:PeerID=1, ageOfLastShippedOp=14, sizeOfLogQueue=0,
> timeStampsOfLastShippedOp=Wed Sep 04 14:49:48 PDT 2013
> hdtest018.svl.ibm.com:
> SOURCE:PeerID=1, ageOfLastShippedOp=0, sizeOfLogQueue=0,
> timeStampsOfLastShippedOp=Wed Sep 04 14:48:48 PDT 2013
> hdtest015.svl.ibm.com:
> SOURCE:PeerID=1, ageOfLastShippedOp=0, sizeOfLogQueue=0,
> timeStampsOfLastShippedOp=Wed Sep 04 14:48:48 PDT 2013
> hbase(main):003:0> status 'replication','sink'
> version 0.94.9
> 3 live servers
> hdtest017.svl.ibm.com:
> SINK :AgeOfLastAppliedOp=0, TimeStampsOfLastAppliedOp=Wed Sep 04
> 14:48:48 PDT 2013
> hdtest018.svl.ibm.com:
> SINK :AgeOfLastAppliedOp=14, TimeStampsOfLastAppliedOp=Wed Sep 04
> 14:50:59 PDT 2013
> hdtest015.svl.ibm.com:
> SINK :AgeOfLastAppliedOp=0, TimeStampsOfLastAppliedOp=Wed Sep 04
> 14:48:48 PDT 2013
> hbase(main):003:0> status 'replication','lag'
> version 0.94.9
> 3 live servers
> hdtest017.svl.ibm.com: lag = 0
> hdtest018.svl.ibm.com: lag = 14
> hdtest015.svl.ibm.com: lag = 0
> {code}
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