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From "Eric Evans (JIRA)" <j...@apache.org>
Subject [jira] Commented: (CASSANDRA-1186) futureproof [KS|CF]MetaData
Date Tue, 22 Jun 2010 14:43:56 GMT

    [ https://issues.apache.org/jira/browse/CASSANDRA-1186?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12881217#action_12881217
] 

Eric Evans commented on CASSANDRA-1186:
---------------------------------------

bq. I imagine something similar applies to Avro, since this is very much a use case it is
designed for.

It can. This is the purpose of a default in Avro (as confusing as that has proven to be).

> futureproof [KS|CF]MetaData
> ---------------------------
>
>                 Key: CASSANDRA-1186
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-1186
>             Project: Cassandra
>          Issue Type: Improvement
>          Components: Core
>    Affects Versions: 0.7
>            Reporter: Jonathan Ellis
>            Assignee: Gary Dusbabek
>            Priority: Critical
>             Fix For: 0.7
>
>
> KSMetaData/CFMetaData serialization is fragile.  We need to be able to add fields easily
without breaking when we read old-style serialized bytes.
> Avro and Thrift are designed to handle this.  We should probably use one of those rather
than re-inventing the wheel.  If Avro is mature enough for this then let's use that, otherwise
let's use Thrift.

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