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From "Ludovic Boutros (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CASSANDRA-14055) Index redistribution breaks SASI index
Date Wed, 22 Nov 2017 14:53:00 GMT

    [ https://issues.apache.org/jira/browse/CASSANDRA-14055?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16262735#comment-16262735
] 

Ludovic Boutros commented on CASSANDRA-14055:
---------------------------------------------

It seems to be a bit more complex.
There is a case that I'm not able to reproduce in a unit test which breaks as well SASI index,
but I'm able to reproduce it in debug mode (and in production of course :( ).

> Index redistribution breaks SASI index
> --------------------------------------
>
>                 Key: CASSANDRA-14055
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-14055
>             Project: Cassandra
>          Issue Type: Bug
>          Components: sasi
>            Reporter: Ludovic Boutros
>              Labels: patch
>             Fix For: 3.11.x
>
>         Attachments: CASSANDRA-14055.patch, CASSANDRA-14055.patch
>
>
> During index redistribution process, a new view is created.
> During this creation, old indexes should be released.
> But, new indexes are "attached" to the same SSTable as the old indexes.
> This leads to the deletion of the last SASI index file and breaks the index.
> The issue is in this function : [https://github.com/apache/cassandra/blob/9ee44db49b13d4b4c91c9d6332ce06a6e2abf944/src/java/org/apache/cassandra/index/sasi/conf/view/View.java#L62]



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