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From "Vyacheslav Daradur (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (IGNITE-3592) Provide some kind of pluggable compression SPI support
Date Thu, 06 Apr 2017 09:51:41 GMT

    [ https://issues.apache.org/jira/browse/IGNITE-3592?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15958676#comment-15958676

Vyacheslav Daradur commented on IGNITE-3592:

As I understood that, the main goal of this task is to store data in compressed form.

This is what I need from Ignite as its user. Compression provides economy on servers.
We can store more data on same servers at the cost of increasing CPU utilization. 

I’m ready to discuss design of solution and public API. 
My thoughts:
1)	Compression at cache layer makes sense.
2)	Compression of annotated fields may be usefull already. (for example for large string fields)
3)	We need to use Deflater(ZLIB) compression library, it provides best compression ratio and
C#.NET and C++ have its implementation.

I think will be better to continue discussion on dev list (сhoose better):
Initial: http://apache-ignite-developers.2346864.n4.nabble.com/Data-compression-in-Ignite-2-0-td10099.html
Second: http://apache-ignite-developers.2346864.n4.nabble.com/ignite-3592-is-ready-fo-review-Provide-some-kind-of-pluggable-compression-SPI-support-td15885.html

> Provide some kind of pluggable compression SPI support
> ------------------------------------------------------
>                 Key: IGNITE-3592
>                 URL: https://issues.apache.org/jira/browse/IGNITE-3592
>             Project: Ignite
>          Issue Type: Task
>          Components: cache
>            Reporter: Alexey Kuznetsov
>            Assignee: Vyacheslav Daradur
>             Fix For: 2.0
> It may be useful in some cases to compress data stored in cache.
> And in order to give access to compressed data from SQL engine this support should be
implemented in ignite-core level.
> See discussion on dev-list: http://apache-ignite-developers.2346864.n4.nabble.com/Data-compression-in-Ignite-2-0-td10099.html

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