[jira] [Assigned] (SOLR-16608) Enable ability to compress state.json in Zookeeper

["Justin Sweeney (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/SOLR-16608?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Justin Sweeney reassigned SOLR-16608:
-------------------------------------

    Assignee: Justin Sweeney

> Enable ability to compress state.json in Zookeeper
> --------------------------------------------------
>
>                 Key: SOLR-16608
>                 URL: https://issues.apache.org/jira/browse/SOLR-16608
>             Project: Solr
>          Issue Type: Improvement
>            Reporter: Justin Sweeney
>            Assignee: Justin Sweeney
>            Priority: Major
>          Time Spent: 3h 20m
>  Remaining Estimate: 0h
>
> As noted in the Solr documentation, Zookeeper is intended to hold small files, by default < 1MB: [https://solr.apache.org/guide/7_4/setting-up-an-external-zookeeper-ensemble.html#increasing-the-file-size-limit.]
> When creating collections with very large number of replicas, it is possible to exceeded that size in the state.json that is created, which then requires Solr operators to reconfigure Zookeeper to increase that limit and also has performance implications.
> I am proposing that we provide the ability to compress state.json using standard ZLib compression. This will be based on a configuration parameter in solr.xml which will provide a minimum size of state.json over which to use compression. This will give Solr operators a better mechanism to handle state.json for very large collections.



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