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From "Yonger (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-14475) Metrics of S3A don't print out when enable it in Hadoop metrics property file
Date Tue, 25 Jul 2017 14:51:00 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-14475?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16100142#comment-16100142
] 

Yonger commented on HADOOP-14475:
---------------------------------

[~stevel@apache.org] I found the output of metrics missing part of metrics in streamMetrics
HashMap, because they didn't register into MetricsRegistry.
With my understand, i will remove streamMetrics HashMap, and register stream related metrics
directly like method "counter". 
But i note there is function "dump" will read from this HashMap, and few other class call
this dump method to print stream metrics.  I don't think it's a good idea to print any metrics
to log file, we should put all performance metrics into other place(e.g. a separate file or
database) .
Any suggestion?

> Metrics of S3A don't print out  when enable it in Hadoop metrics property file
> ------------------------------------------------------------------------------
>
>                 Key: HADOOP-14475
>                 URL: https://issues.apache.org/jira/browse/HADOOP-14475
>             Project: Hadoop Common
>          Issue Type: Bug
>          Components: fs/s3
>    Affects Versions: 2.8.0
>         Environment: uname -a
> Linux client01 4.4.0-74-generic #95-Ubuntu SMP Wed Apr 12 09:50:34 UTC 2017 x86_64 x86_64
x86_64 GNU/Linux
>  cat /etc/issue
> Ubuntu 16.04.2 LTS \n \l
>            Reporter: Yonger
>            Assignee: Yonger
>         Attachments: failsafe-report-s3a-it.html, failsafe-report-s3a-scale.html, failsafe-report-scale.html,
failsafe-report-scale.zip, HADOOP-14475.002.patch, HADOOP-14475-003.patch, s3a-metrics.patch1,
stdout.zip
>
>
> *.sink.file.class=org.apache.hadoop.metrics2.sink.FileSink
> #*.sink.file.class=org.apache.hadoop.metrics2.sink.influxdb.InfluxdbSink
> #*.sink.influxdb.url=http:/xxxxxxxxxx
> #*.sink.influxdb.influxdb_port=8086
> #*.sink.influxdb.database=hadoop
> #*.sink.influxdb.influxdb_username=hadoop
> #*.sink.influxdb.influxdb_password=hadoop
> #*.sink.ingluxdb.cluster=c1
> *.period=10
> #namenode.sink.influxdb.class=org.apache.hadoop.metrics2.sink.influxdb.InfluxdbSink
> #S3AFileSystem.sink.influxdb.class=org.apache.hadoop.metrics2.sink.influxdb.InfluxdbSink
> S3AFileSystem.sink.file.filename=s3afilesystem-metrics.out
> I can't find the out put file even i run a MR job which should be used s3.



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