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https://issues.apache.org/jira/browse/FLUME-2352?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14258907#comment-14258907
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chenshangan commented on FLUME-2352:
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In our case, one batch consists of above 100 categories, each category has an
independent bucketWriter, so actually one bucketWriter takes about 2000
messages in a batch.
> HDFSCompressedDataStream should support appendBatch
> ---------------------------------------------------
>
> Key: FLUME-2352
> URL: https://issues.apache.org/jira/browse/FLUME-2352
> Project: Flume
> Issue Type: Improvement
> Components: Sinks+Sources
> Affects Versions: v1.5.0
> Reporter: chenshangan
> Assignee: chenshangan
> Fix For: v1.6.0
>
> Attachments: FLUME-2352.patch
>
>
> compressing events in batch is much more efficient than compressing one by
> one.
> I set hdfs.batchSize to 200000, when I use appendBatch() in BucketWriter, the
> append operation cost less than 1 seconds, while one by one might cost 10
> seconds.
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