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From "Jonathan Ellis (JIRA)" <>
Subject [jira] [Resolved] (CASSANDRA-4947) Disallow client-provided timestamps in cql3
Date Mon, 12 Nov 2012 14:45:12 GMT


Jonathan Ellis resolved CASSANDRA-4947.

    Resolution: Won't Fix
      Assignee:     (was: Sylvain Lebresne)

Ben Coverston: "Client provided timestamps are helpful if a write fails and you want to "replay"
the writes later."

Sylvain: "I remember having used once a client timestamp in a hand-made 'repair' job, where
I "repaired" some denormalized table from the data of another one, and setting the timestamp
manually was useful to make I wasn't breaking stuff due to a concurrent/newer update."
> Disallow client-provided timestamps in cql3
> -------------------------------------------
>                 Key: CASSANDRA-4947
>                 URL:
>             Project: Cassandra
>          Issue Type: New Feature
>          Components: API
>            Reporter: Jonathan Ellis
>            Priority: Blocker
>             Fix For: 1.2.0
> Client-provided timestamps cause a lot of pain since we can't make any assumptions as
to client:server clock agreement.  Is this worth the pain?  If not we should rip out {{WITH
TIMESTAMP}} before 1.2.0. 

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