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From "Yuki Morishita (JIRA)" <>
Subject [jira] [Commented] (CASSANDRA-8616) sstable tools may result in commit log segments be written
Date Wed, 30 Mar 2016 22:55:25 GMT


Yuki Morishita commented on CASSANDRA-8616:

Progress update: There are several places other than {{system.sstable_activity}} that offline
tools access(vary by version). Trying to patch everything, otherwise tools can hang (dtest
is catching these).

* In cassandra-2.2, offline tools (sstablesplit and posssibly other few) can update {{system.compaction_in_progress}}
and {{system.compaction_history}}.
* In cassandra-3.0+, sstablescrub against secondary index sstables can update {{system.IndexInfo}}.

> sstable tools may result in commit log segments be written
> ----------------------------------------------------------
>                 Key: CASSANDRA-8616
>                 URL:
>             Project: Cassandra
>          Issue Type: Bug
>          Components: Tools
>            Reporter: Tyler Hobbs
>            Assignee: Yuki Morishita
>             Fix For: 2.1.x, 2.2.x, 3.0.x, 3.x
>         Attachments: 8161-2.0.txt
> There was a report of sstable2json causing commitlog segments to be written out when
run.  I haven't attempted to reproduce this yet, so that's all I know for now.  Since sstable2json
loads the conf and schema, I'm thinking that it may inadvertently be triggering the commitlog
> sstablescrub, sstableverify, and other sstable tools have the same issue.

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