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https://issues.apache.org/jira/browse/ZOOKEEPER-3358?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16836100#comment-16836100
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Fangmin Lv commented on ZOOKEEPER-3358:
---------------------------------------

[~belugabehr] When we contributed that back, most of our prod ensembles are 
using snappy, it's quite helpful. But keep in mind, if user is storing binary 
data like gzipped data, then the compress ratio could be very small and it 
actually wastes CPU cycle to do the compress/decompress.

This is why we keep the default behavior as before since we don't know what 
users are storing, and it may change the behavior.

> Make Snappy The Default Snapshot Compression Algorithm
> ------------------------------------------------------
>
>                 Key: ZOOKEEPER-3358
>                 URL: https://issues.apache.org/jira/browse/ZOOKEEPER-3358
>             Project: ZooKeeper
>          Issue Type: Improvement
>          Components: server
>    Affects Versions: 3.6.0
>            Reporter: David Mollitor
>            Priority: Major
>             Fix For: 3.6.0
>
>
> Now that SnapShots are compressed, thanks to [ZOOKEEPER-3179], make the 
> default algorithm Snappy compression.



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