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From "Yu Li (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HBASE-17138) Backport read-path offheap (HBASE-11425) to branch-1
Date Mon, 21 Nov 2016 05:15:59 GMT
Yu Li created HBASE-17138:

             Summary: Backport read-path offheap (HBASE-11425) to branch-1
                 Key: HBASE-17138
                 URL: https://issues.apache.org/jira/browse/HBASE-17138
             Project: HBase
          Issue Type: Bug
            Reporter: Yu Li

>From the [thread|http://mail-archives.apache.org/mod_mbox/hbase-user/201611.mbox/%3CCAM7-19%2Bn7cEiY4H9iLQ3N9V0NXppOPduZwk-hhgNLEaJfiV3kA%40mail.gmail.com%3E]
of sharing our experience and performance data of read-path offheap usage in Alibaba search,
we could see people are positive to have HBASE-11425 in branch-1, so I'd like to create a
JIRA and move the discussion and decision making here.

Echoing some comments from the mail thread:

Is the backported patch available anywhere? If it ends up not getting officially backported
to branch-1 due to 2.0 around the corner, some of us who build our own deploy may want to
integrate into our builds

Yes, please, the patches will be useful to the community even if we decide not to backport
into an official 1.x release.

I don't see any reason why we cannot backport to branch-1.

Opening a JIRA would be fine. This makes it easier for people to obtain the patch(es)

>From the DISCUSS thread re: EOL of 1.1, it seems we'll continue to
support 1.x releases for some time... I would guess these will be
maintained until 2.2 at least. Therefore, offheap patches that have seen
production exposure seem like a reasonable candidate for backport, perhaps in a 1.4 or 1.5
release timeframe.

Because of some compatibility issues, we decide that this will be done in 2.0 only..  Ya as
Andy said, it would be great to share the 1.x backported patches.

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