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Posted to common-issues@hadoop.apache.org by "Wei-Chiu Chuang (JIRA)" <ji...@apache.org> on 2017/04/13 13:20:42 UTC
[jira] [Assigned] (HADOOP-14300) GraphiteSink reports metrics
containing undesirable whitespaces
[ https://issues.apache.org/jira/browse/HADOOP-14300?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Wei-Chiu Chuang reassigned HADOOP-14300:
----------------------------------------
Assignee: Damien Claveau
> GraphiteSink reports metrics containing undesirable whitespaces
> ---------------------------------------------------------------
>
> Key: HADOOP-14300
> URL: https://issues.apache.org/jira/browse/HADOOP-14300
> Project: Hadoop Common
> Issue Type: Bug
> Components: metrics
> Affects Versions: 2.5.0, 2.6.0, 2.7.0, 2.7.1, 2.7.2, 2.7.3
> Reporter: Damien Claveau
> Assignee: Damien Claveau
> Priority: Trivial
> Attachments: HADOOP-14300
>
>
> According to the Graphite documentation, the data sent must be in the following format: <metric path> <metric value> <metric timestamp>
> But some tag values that are flattened in the metricpath string sometimes include whitespaces and violate the carbon/graphite format.
> For example, the dirpath enumeration from the datanode :
> FSDatasetState.org.apache.hadoop.hdfs.server.datanode.fsdataset.impl.FsDatasetImpl.Context=FSDatasetState.StorageInfo=FSDataset{dirpath='[/data/1/hdfs/data/current, /data/2/hdfs/data/current]'}.Hostname=worker1.Capacity 78436466688 1491986609
> Currently, none of the aggregators available in the Graphite ecosystem can handle these malformed metrics. These whitespaces should be replaced by underscores.
> I will be happy to attach a small patch.
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