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From Jonas Borgström (JIRA) <j...@apache.org>
Subject [jira] [Commented] (CASSANDRA-2846) Changing replication_factor using "update keyspace" not working
Date Mon, 04 Jul 2011 09:56:21 GMT

    [ https://issues.apache.org/jira/browse/CASSANDRA-2846?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13059373#comment-13059373
] 

Jonas Borgström commented on CASSANDRA-2846:
--------------------------------------------

Jonathan, thanks for your fast response. Your patch works for me.

> Changing replication_factor using "update keyspace" not working
> ---------------------------------------------------------------
>
>                 Key: CASSANDRA-2846
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-2846
>             Project: Cassandra
>          Issue Type: Bug
>    Affects Versions: 0.8.1
>         Environment: A clean 0.8.1 install using the default configuration
>            Reporter: Jonas Borgström
>            Assignee: Jonathan Ellis
>            Priority: Minor
>             Fix For: 0.8.2
>
>         Attachments: 2846.txt
>
>
> Unless I've misunderstood the new way to do this with 0.8 I think "update keyspace" is
broken:
> {code}
> [default@unknown] create keyspace Test with placement_strategy = 'org.apache.cassandra.locator.SimpleStrategy'
and strategy_options = [{replication_factor:1}];
> 37f70d40-a3e9-11e0-0000-242d50cf1fbf
> Waiting for schema agreement...
> ... schemas agree across the cluster
> [default@unknown] describe keyspace Test;
> Keyspace: Test:
>   Replication Strategy: org.apache.cassandra.locator.SimpleStrategy
>   Durable Writes: true
>     Options: [replication_factor:1]
>   Column Families:
> [default@unknown] update keyspace Test with placement_strategy = 'org.apache.cassandra.locator.SimpleStrategy'
and strategy_options = [{replication_factor:2}];
> 489fe220-a3e9-11e0-0000-242d50cf1fbf
> Waiting for schema agreement...
> ... schemas agree across the cluster
> [default@unknown] describe keyspace Test;                                           
                                                                       Keyspace: Test:
>   Replication Strategy: org.apache.cassandra.locator.SimpleStrategy
>   Durable Writes: true
>     Options: [replication_factor:1]
>   Column Families:
> {code}
> Isn't the second "describe keyspace" supposed to to say "replication_factor:2"?
> Relevant bits from system.log:
> {code}
> Migration.java (line 116) Applying migration 489fe220-a3e9-11e0-0000-242d50cf1fbf Update
keyspace Testrep strategy:SimpleStrategy{}durable_writes: true to Testrep strategy:SimpleStrategy{}durable_writes:
true
> UpdateKeyspace.java (line 74) Keyspace updated. Please perform any manual operations
> {code}

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