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https://issues.apache.org/jira/browse/FLUME-1423?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13427835#comment-13427835
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Patrick Wendell commented on FLUME-1423:
----------------------------------------

Danny - can you give more information about the environment you are running on? 

In particular: 

Can you test the throughout of the exact same setup with an in-memory channel, 
and give the resulting throughput, to ensure that this is indeed the bottleneck?

What are the access patterns of the disk that the FileChannel is using? Is it a 
dedicated disk? Or are there other processes reading/writing against the disk?

Can you give the configuration of the agent, including the sources and 
information about any batching taking place within those sources?


Thanks,
Patrick
                
> Low throughput of FileChannel
> -----------------------------
>
>                 Key: FLUME-1423
>                 URL: https://issues.apache.org/jira/browse/FLUME-1423
>             Project: Flume
>          Issue Type: Improvement
>          Components: Channel
>    Affects Versions: v1.2.0
>            Reporter: Denny Ye
>            Assignee: Denny Ye
>              Labels: file, filechannel
>             Fix For: v1.3.0
>
>
> The performance result of FileChannel is below expectation, almost 5MB/s. May 
> be it should be tune to reduce effect of ingest system.

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