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From "Hudson (JIRA)" <>
Subject [jira] [Commented] (CASSANDRA-2536) Schema disagreements when using connections to multiple hosts
Date Fri, 29 Apr 2011 15:58:03 GMT


Hudson commented on CASSANDRA-2536:

Integrated in Cassandra-0.7 #462 (See [])
    refuse to apply migrations with older timestamps than the current schema
patch by Tyler Hobbs; reviewed by jbellis and gdusbabek for CASSANDRA-2536

> Schema disagreements when using connections to multiple hosts
> -------------------------------------------------------------
>                 Key: CASSANDRA-2536
>                 URL:
>             Project: Cassandra
>          Issue Type: Bug
>          Components: Core
>    Affects Versions: 0.7.0
>         Environment: Two node 0.8-beta1 cluster with one seed and JNA.
>            Reporter: Tyler Hobbs
>            Assignee: Tyler Hobbs
>            Priority: Minor
>             Fix For: 0.7.6, 0.8.1
>         Attachments: 2536-compare-timestamp.txt,
> If you have two thrift connections open to different nodes and you create a KS using
the first, then a CF in that KS using the second, you wind up with a schema disagreement even
if you wait/sleep after creating the KS.
> The attached script reproduces the issue using pycassa (1.0.6 should work fine, although
it has the 0.7 thrift-gen code).  It's also reproducible by hand with two cassandra-cli sessions.

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