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Date: Thu, 16 Feb 2017 02:48:42 +0000 (UTC)
From: "Rakesh R (JIRA)" <jira@apache.org>
To: dev@zookeeper.apache.org
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Subject: [jira] [Commented] (ZOOKEEPER-2260) Paginated getChildren call
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archived-at: Thu, 16 Feb 2017 02:48:47 -0000


    [ https://issues.apache.org/jira/browse/ZOOKEEPER-2260?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15869027#comment-15869027 ] 

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

bq. Jenkins test this please
Thanks [~mprime] for your time and continuous effort in making this feature. I could see Jenkins PreCommit build is failing due to {{Unsupported major.minor version 52.0}}. I've filed INFRA-13526 jira to resolve this. Will trigger the Precommit build once the INFRA problem is resolved.

> 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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