Damien Claveau created HADOOP-14300:
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Summary: 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: 2.7.3, 2.7.2, 2.7.1, 2.7.0, 2.6.0, 2.5.0
Reporter: Damien Claveau
Priority: Trivial
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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