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https://issues.apache.org/jira/browse/CASSANDRA-6238?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13805129#comment-13805129
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Alex Liu commented on CASSANDRA-6238:
-------------------------------------
I understand it comes as the same way as original LOCAL_QUORUM.
SimpleStrategy is for a cluster without multiple DCs. NTS is for multiple DC
cluster. SimpleStrategy could be treated as a special NTS that is only for a
one DC cluster.
The default CL of Cassandra Hadoop integration is LOCAL_ONE now, it should work
for all types of strategy. LOCAL_ONE looks like a better candidate as a
default CL than ONE. When people first start using C*, it is common to be a one
DC cluster, then later it may grow up to a multiple DC cluster. If LOCAL_ONE
work for all types of strategy, manual change the default CL is not needed.
If we keep LOCAL_* requiring NTS, we has to update all the hadoop/pig examples
and tests to use ONE.
The main reason to make LOCAL_* work for all types of strategy is that LOCAL_*
are better candidates as default CLs. The default CL should work for all types
of strategy.
> LOCAL_ONE doesn't work for SimpleStrategy
> -----------------------------------------
>
> Key: CASSANDRA-6238
> URL: https://issues.apache.org/jira/browse/CASSANDRA-6238
> Project: Cassandra
> Issue Type: Bug
> Components: Core
> Reporter: Alex Liu
> Assignee: Alex Liu
> Fix For: 1.2.12, 2.0.3
>
> Attachments: 6238.txt, 6238-v2.txt
>
>
> LOCAL_ONE only works for NetworkTopologyStrategy which has DC specification.
> Any other strategy fails.
> If there is no DC specified in the strategy, we should treat LOCAL_ONE as ONE
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