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From "Enrico Olivelli (Jira)" <j...@apache.org>
Subject [jira] [Updated] (ZOOKEEPER-2260) Paginated getChildren call
Date Fri, 06 Sep 2019 15:46:07 GMT

     [ https://issues.apache.org/jira/browse/ZOOKEEPER-2260?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Enrico Olivelli updated ZOOKEEPER-2260:
---------------------------------------
    Fix Version/s:     (was: 3.5.6)

> 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.
>            Priority: Major
>              Labels: api, features, pull-request-available
>             Fix For: 3.6.0, 3.5.7
>
>         Attachments: ZOOKEEPER-2260.patch, ZOOKEEPER-2260.patch
>
>          Time Spent: 10m
>  Remaining Estimate: 0h
>
> 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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