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From "Branimir Lambov (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CASSANDRA-9991) Implement efficient btree removal
Date Tue, 01 Dec 2015 07:53:11 GMT

    [ https://issues.apache.org/jira/browse/CASSANDRA-9991?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15033283#comment-15033283
] 

Branimir Lambov commented on CASSANDRA-9991:
--------------------------------------------

LGTM

Running tests: [testall|http://cassci.datastax.com/view/Dev/view/blambov/job/blambov-haaawk-9991-testall/],
[dtest|http://cassci.datastax.com/view/Dev/view/blambov/job/blambov-haaawk-9991-dtest/].

> Implement efficient btree removal
> ---------------------------------
>
>                 Key: CASSANDRA-9991
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-9991
>             Project: Cassandra
>          Issue Type: Sub-task
>            Reporter: Benedict
>              Labels: patch
>             Fix For: 3.x
>
>         Attachments: trunk-9991-v3.txt, trunk-9991-v4.txt, trunk-9991-v5.txt, trunk-9991.txt,
trunk-9991.txt-v2
>
>
> Currently removal is implemented as a reconstruction by filtering and iterator over the
original btree. This could be much more efficient, editing just the necessary nodes. 



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