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https://issues.apache.org/jira/browse/HBASE-2284?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16859666#comment-16859666
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Hudson commented on HBASE-2284:
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Results for branch master
[build #1113 on
builds.a.o|https://builds.apache.org/job/HBase%20Nightly/job/master/1113/]: (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/1113//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/1113//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/1113//JDK8_Nightly_Build_Report_(Hadoop3)/]
(/) {color:green}+1 source release artifact{color}
-- See build output for details.
(/) {color:green}+1 client integration test{color}
> fsWriteLatency metric may be incorrectly reported
> --------------------------------------------------
>
> Key: HBASE-2284
> URL: https://issues.apache.org/jira/browse/HBASE-2284
> Project: HBase
> Issue Type: Bug
> Reporter: Kannan Muthukkaruppan
> Assignee: Kannan Muthukkaruppan
> Priority: Minor
> Fix For: 0.20.4, 0.90.0
>
> Attachments: 2284_0.20.patch
>
>
> fsWriteLatency metric is computed by maintaining writeTime & writeOps in
> HLog. If an HLog.append() carries multiple edits, then "writeTime" is
> computed incorrectly for the subsequent edits because doWrite() is called for
> each of the edits with the same start time argument ("now").
> This also causes a lot of false WARN spews to the log. Only one of the edits
> might have taken a long time, but every edit after that in a given
> HLog.append() operation will also raise these warning messages.
> {code}
> 2010-03-03 11:00:42,247 WARN org.apache.hadoop.hbase.regionserver.HLog: IPC
> Server handler 51 on 60020 took 1814ms appending an edit to hlog;
> editcount=302227
> 2010-03-03 11:00:42,247 WARN org.apache.hadoop.hbase.regionserver.HLog: IPC
> Server handler 51 on 60020 took 1814ms appending an edit to hlog;
> editcount=302228
> 2010-03-03 11:00:42,247 WARN org.apache.hadoop.hbase.regionserver.HLog: IPC
> Server handler 51 on 60020 took 1814ms appending an edit to hlog;
> editcount=302229
> 2010-03-03 11:00:42,247 WARN org.apache.hadoop.hbase.regionserver.HLog: IPC
> Server handler 51 on 60020 took 1814ms appending an edit to hlog;
> editcount=302230
> 2010-03-03 11:00:42,247 WARN org.apache.hadoop.hbase.regionserver.HLog: IPC
> Server handler 51 on 60020 took 1814ms appending an edit to hlog;
> editcount=302231
> {code}
> Will submit a patch shortly.
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