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https://issues.apache.org/jira/browse/HADOOP-14219?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Julien Vaudour updated HADOOP-14219:
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Attachment: HADOOP-14219.patch
> RumenToSLS: parsing problem with crashed attempts
> -------------------------------------------------
>
> Key: HADOOP-14219
> URL: https://issues.apache.org/jira/browse/HADOOP-14219
> Project: Hadoop Common
> Issue Type: Bug
> Components: tools
> Affects Versions: 2.6.0
> Reporter: Julien Vaudour
> Priority: Minor
> Attachments: HADOOP-14219.patch
>
>
> In case of crashed task attempts, we may have in rumen logs task attempts
> with null hostName and finishTime defined to -1
> for example
> {code}
> {
> "resourceUsageMetrics": {
> "heapUsage": 0,
> "physicalMemoryUsage": 0,
> "virtualMemoryUsage": 0,
> "cumulativeCpuUsage": 0
> },
> "vmemKbytes": [],
> "physMemKbytes": [],
> "cpuUsages": [],
> "clockSplits": [],
> "location": null,
> "sortFinished": -1,
> "shuffleFinished": -1,
> "spilledRecords": -1,
> "reduceOutputRecords": -1,
> "reduceShuffleBytes": -1,
> "fileBytesRead": -1,
> "hdfsBytesWritten": -1,
> "hdfsBytesRead": -1,
> "hostName": null,
> "finishTime": -1,
> "startTime": 1489619193378,
> "result": null,
> "attemptID": "attempt_1488896259152_410442_r_000015_1",
> "fileBytesWritten": -1,
> "mapInputRecords": -1,
> "mapInputBytes": -1,
> "mapOutputBytes": -1,
> "mapOutputRecords": -1,
> "combineInputRecords": -1,
> "reduceInputGroups": -1,
> "reduceInputRecords": -1
> }
> {code}
> Jackson parser will automatically consider -1 as a java.lang.Integer. However
> RumenToSLSConverter make the assumption than jackson has deserialize all
> timstamp as instance of java.lang.Long, resulting in a ClassCastException.
> RumenToSLSConverter also make the assumption that hostName is not null, so we
> can also have a NullPointerException.
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