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From "Jonathan Ellis (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CASSANDRA-2790) SimpleStrategy enforces endpoints >= replicas when reading with ConsistencyLevel.ONE
Date Sat, 02 Jul 2011 23:22:21 GMT

    [ https://issues.apache.org/jira/browse/CASSANDRA-2790?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13059145#comment-13059145
] 

Jonathan Ellis commented on CASSANDRA-2790:
-------------------------------------------

Ivan, did you get a chance to try the 2129 patch?

> SimpleStrategy enforces endpoints >= replicas when reading with ConsistencyLevel.ONE
> ------------------------------------------------------------------------------------
>
>                 Key: CASSANDRA-2790
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-2790
>             Project: Cassandra
>          Issue Type: Bug
>          Components: Core
>    Affects Versions: 0.7.6
>         Environment: Linux 2.6.32-31-generic #61-Ubuntu SMP / Java HotSpot(TM) 64-Bit
Server VM (build 14.2-b01, mixed mode)
>            Reporter: Ivan Gorgiev
>
> We use replication factor of 3 across our system, but in a one case on the application
bootstrap we read a stored value with a local (in-process) call to StorageProxy.read(commands,
ConsistencyLevel.ONE). This results in the following exception from SimpleStrategy: "replication
factor 3 exceeds number of endpoints 1". 
> Shouldn't such a read operation always succeed as there is a guaranteed single Cassandra
endpoint - the one processing the request? 
> This code used to work with Cassandra 0.6.1 before we upgraded to 0.7.6.

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