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From "Jeremiah Jordan (JIRA)" <j...@apache.org>
Subject [jira] [Comment Edited] (CASSANDRA-13683) sstabledump should not use tool initialization
Date Fri, 28 Jul 2017 21:49:00 GMT

    [ https://issues.apache.org/jira/browse/CASSANDRA-13683?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16105739#comment-16105739
] 

Jeremiah Jordan edited comment on CASSANDRA-13683 at 7/28/17 9:48 PM:
----------------------------------------------------------------------

+1.  Looks good to me, we have definitely seen issues with tools doing things they probably
shouldn't have by initializing too much.


was (Author: jjordan):
+1

> sstabledump should not use tool initialization
> ----------------------------------------------
>
>                 Key: CASSANDRA-13683
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-13683
>             Project: Cassandra
>          Issue Type: Bug
>            Reporter: Chris Lohfink
>            Assignee: Chris Lohfink
>
> The tool initialization is not necessary for the sstabledump utility and by using it
we possibly introduce a unnecessary requirement of being on the same C* instance (since we
may introduce changes that require it, UDT changes can lead to dangerous assumptions) that
has the schema. This also does things like introduce possibly devastating issues from having
the same commitlog/sstable locations.
> A good example is updating the sstable activity table, and having that flushed to commitlogs
as an application outside the running C* service. This may not be on same user (ie root) which
than when a postmemtable flusher after restart attempts to delete it will throw an exception
and potentially kill that thread pool. One that happens commitlogs will cease to get recycled
and will just burn disk space until we run out.



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