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From "Pavel Yaskevich (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CASSANDRA-4698) Keyspace disappears when upgrading node from cassandra-1.1.1 to cassandra-1.1.5
Date Tue, 25 Sep 2012 09:45:07 GMT

    [ https://issues.apache.org/jira/browse/CASSANDRA-4698?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13462611#comment-13462611
] 

Pavel Yaskevich commented on CASSANDRA-4698:
--------------------------------------------

bq. ISTM that only fixing remote timestamps is the wrong solution in general – it fixes
this particular scenario, but re-introduces "unmodifiable" keyspaces, since the [local] timestamp
is now permanently left unnaturally high.

The local timestamp fixing didn't go anywhere and still fixed _before_ we accept remote schema
mutations that it why it's useful to fix only schema mutation without touching anything else...
                
> Keyspace disappears when upgrading node from cassandra-1.1.1 to cassandra-1.1.5
> -------------------------------------------------------------------------------
>
>                 Key: CASSANDRA-4698
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-4698
>             Project: Cassandra
>          Issue Type: Bug
>          Components: Core
>    Affects Versions: 1.1.5
>         Environment: ubuntu. JNA not installed.
>            Reporter: Tyler Patterson
>            Assignee: Pavel Yaskevich
>             Fix For: 1.1.6
>
>         Attachments: CASSANDRA-4698.patch, start_1.1.1_system.log, start_1.1.5_system.log
>
>
> Here is how I got the problem to happen:
> 1. Get this zipped data directory (about 33Mb):
>   scp cass@50.57.69.32:/home/cass/cassandra.zip ./ (password cass)
> 2. Unzip it in /var/lib/
> 3. clone the cassandra git repo
> 4. git checkout cassandra-1.1.1; ant jar;
> 5. bin/cassandra 
> 6. Run cqlsh -3, then DESC COLUMNFAMILIES; Note the presence of Keyspace performance_tests
> 7. pkill -f cassandra; git checkout cassandra-1.1.5; ant realclean; ant jar;
> 8. bin/cassandra
> 9. Run cqlsh -3, then DESC COLUMNFAMILIES; Note that there is no performance_tests keyspace

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