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From "Flavio Junqueira (JIRA)" <j...@apache.org>
Subject [jira] Updated: (ZOOKEEPER-831) BookKeeper: Throttling improved for reads
Date Wed, 04 Aug 2010 21:37:17 GMT

     [ https://issues.apache.org/jira/browse/ZOOKEEPER-831?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

Flavio Junqueira updated ZOOKEEPER-831:

    Attachment: ZOOKEEPER-831.patch

This patch fixes the issue described and modifies a test to verify that it is working.

> BookKeeper: Throttling improved for reads
> -----------------------------------------
>                 Key: ZOOKEEPER-831
>                 URL: https://issues.apache.org/jira/browse/ZOOKEEPER-831
>             Project: Zookeeper
>          Issue Type: Bug
>          Components: contrib-bookkeeper
>    Affects Versions: 3.3.1
>            Reporter: Flavio Junqueira
>            Assignee: Flavio Junqueira
>             Fix For: 3.4.0
>         Attachments: ZOOKEEPER-831.patch
> Reads and writes in BookKeeper are asymmetric: a write request writes one entry, whereas
a read request may read multiple requests. The current implementation of throttling only counts
the number of read requests instead of counting the number of entries being read. Consequently,
a few read requests reading a large number of entries each will spawn a large number of read-entry

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