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https://issues.apache.org/jira/browse/PHOENIX-2649?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15131080#comment-15131080
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Gabriel Reid commented on PHOENIX-2649:
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FWIW, I agree with just using the BytesWritable comparator as
[~sergey.soldatov] suggested.
[[email protected]] not a bad thing to implement hashCode of course,
although I think that it's not specifically necessary here because the
TotalOrderPartitioner is used for partitioning (and not the hash partitioner).
> GC/OOM during BulkLoad
> ----------------------
>
> Key: PHOENIX-2649
> URL: https://issues.apache.org/jira/browse/PHOENIX-2649
> Project: Phoenix
> Issue Type: Bug
> Affects Versions: 4.7.0
> Environment: Mac OS, Hadoop 2.7.2, HBase 1.1.2
> Reporter: Sergey Soldatov
> Priority: Critical
> Attachments: PHOENIX-2649.patch
>
>
> Phoenix fails to complete bulk load of 40Mb csv data with GC heap error
> during Reduce phase. The problem is in the comparator for TableRowkeyPair. It
> expects that the serialized value was written using zero-compressed encoding,
> but at least in my case it was written in regular way. So, trying to obtain
> length for table name and row key it always get zero and reports that those
> byte arrays are equal. As the result, the reducer receives all data produced
> by mappers in one reduce call and fails with OOM.
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