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From "Rakesh R (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (ZOOKEEPER-2260) Paginated getChildren call
Date Thu, 16 Feb 2017 05:34:42 GMT

    [ https://issues.apache.org/jira/browse/ZOOKEEPER-2260?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15869254#comment-15869254
] 

Rakesh R commented on ZOOKEEPER-2260:
-------------------------------------

FYI, I've triggered [build_338|https://builds.apache.org/job/PreCommit-ZOOKEEPER-github-pr-build/338/]
to get the report of https://github.com/apache/zookeeper/pull/50 recent changes.

> Paginated getChildren call
> --------------------------
>
>                 Key: ZOOKEEPER-2260
>                 URL: https://issues.apache.org/jira/browse/ZOOKEEPER-2260
>             Project: ZooKeeper
>          Issue Type: New Feature
>    Affects Versions: 3.4.6, 3.5.0
>            Reporter: Marco P.
>            Assignee: Marco P.
>              Labels: api, features
>             Fix For: 3.5.3, 3.6.0
>
>         Attachments: ZOOKEEPER-2260.patch, ZOOKEEPER-2260.patch
>
>
> Add pagination support to the getChildren() call, allowing clients to iterate over children
N at the time.
> Motivations for this include:
>   - Getting out of a situation where so many children were created that listing them
exceeded the network buffer sizes (making it impossible to recover by deleting)[1]
>  - More efficient traversal of nodes with large number of children [2]
> I do have a patch (for 3.4.6) we've been using successfully for a while, but I suspect
much more work is needed for this to be accepted. 
> [1] https://issues.apache.org/jira/browse/ZOOKEEPER-272
> [2] https://issues.apache.org/jira/browse/ZOOKEEPER-282



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