[jira] [Commented] (FLUME-1426) FileChannel FlumeEventQueue.remove could be optimized

["Brock Noland (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/FLUME-1426?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13442641#comment-13442641 ] 

Brock Noland commented on FLUME-1426:
-------------------------------------

One option is, during replay, use a CountingBloomFilter (due to addition/deletion facility) to track what is currently on the queue.

http://hadoop.apache.org/common/docs/current/api/org/apache/hadoop/util/bloom/CountingBloomFilter.html
                
> FileChannel FlumeEventQueue.remove could be optimized
> -----------------------------------------------------
>
>                 Key: FLUME-1426
>                 URL: https://issues.apache.org/jira/browse/FLUME-1426
>             Project: Flume
>          Issue Type: Bug
>          Components: Channel
>    Affects Versions: v1.2.0
>            Reporter: Brock Noland
>
> FlumeEventQueue.remove iterates from the beginning to the end. It's rarely used but when it is used, it's very slow.

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