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From "Kurt Greaves (JIRA)" <j...@apache.org>
Subject [jira] [Comment Edited] (CASSANDRA-12296) system_auth can't be rebuilt by default
Date Fri, 04 Nov 2016 00:34:59 GMT

    [ https://issues.apache.org/jira/browse/CASSANDRA-12296?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15634780#comment-15634780
] 

Kurt Greaves edited comment on CASSANDRA-12296 at 11/4/16 12:34 AM:
--------------------------------------------------------------------

Attached patch with updated wording. Oh and I kept the real english spelling :).


was (Author: kurtg):
Attached patch with updated wording.

> system_auth can't be rebuilt by default
> ---------------------------------------
>
>                 Key: CASSANDRA-12296
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-12296
>             Project: Cassandra
>          Issue Type: Bug
>            Reporter: Jim Witschey
>            Priority: Minor
>              Labels: lhf
>         Attachments: 12296-3.0.patch, 12296.patch
>
>
> This came up in discussion of CASSANDRA-11687. {{nodetool rebuild}} was failing in a
dtest. [~pauloricardomg] explained:
> bq. before [CASSANDRA-11848] the local node could be considered a source, while now sources
are restricted only to dc2, so since {{system_auth}} uses {{SimpleStrategy}} depending on
the token arrangement there could or not be sources from dc2. Fix is to either use {{-Dcassandra.consistent.rangemovement=false}}
or update {{system_auth}} to use {{NetworkTopologyStrategy}} with 2 dcs..
> This is, at the very least, a UX bug. When {{rebuild}} fails, it fails with
> {code}
> nodetool: Unable to find sufficient sources for streaming range (-3287869951390391138,-1624006824486474209]
in keyspace system_auth with RF=1.If you want to ignore this, consider using system property
-Dcassandra.consistent.rangemovement=false.
> {code}
> which suggests that a user should give up consistency guarantees when it's not necessary.



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