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From "Kanaka Kumar Avvaru (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-9120) Metric logging values are truncated in NN Metrics log.
Date Thu, 24 Sep 2015 14:36:04 GMT

    [ https://issues.apache.org/jira/browse/HDFS-9120?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14906419#comment-14906419
] 

Kanaka Kumar Avvaru commented on HDFS-9120:
-------------------------------------------

Yes fine [~arpitagarwal]. Let user configure comma separated prefixes like {{excludekeystartwith
= NameNodeInfo:LiveNodes, IPCLoggerChannel}} then NameNodeInfo:LiveNodes and all the metrics
like IPCLoggerChannel-XXX will be ignored. 

Also shall we consider flatten and log values from TabularData & CompositeData types which
are ignored currently?

> Metric logging values are truncated in NN Metrics log.
> ------------------------------------------------------
>
>                 Key: HDFS-9120
>                 URL: https://issues.apache.org/jira/browse/HDFS-9120
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: logging
>            Reporter: Archana T
>            Assignee: Kanaka Kumar Avvaru
>
> In namenode-metrics.log when metric name value pair is more than 128 characters, it is
truncated as below --
> Example for LiveNodes information is ---
> vi namenode-metrics.log
> {color:red}
> 2015-09-22 10:34:37,891 NameNodeInfo:LiveNodes={"host-10-xx-xxx-88:50076":{"infoAddr":"10.xx.xxx.88:0","infoSecureAddr":"10.xx.xxx.88:52100","xferaddr":"10.xx.xxx.88:50076","l...
> {color}
> Here complete information of metric value is not logged.
> etc information being displayed as "..."
> Silimarly for other metric values in NN metrics.
> where as DN metric logs complete metric values.



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