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Posted to commits@cassandra.apache.org by "Kelvin Kakugawa (JIRA)" <ji...@apache.org> on 2010/08/18 03:28:17 UTC

[jira] Updated: (CASSANDRA-1381) standard counters (support: incr + decr)

     [ https://issues.apache.org/jira/browse/CASSANDRA-1381?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Kelvin Kakugawa updated CASSANDRA-1381:
---------------------------------------

    Attachment: 001-standard-counter.patch

implement standard counters
- supports incr + decr
- modified tuple format: (node id, result of commutative ops, # of ops performed)
- reconcile remote based on # of ops performed

> standard counters (support: incr + decr)
> ----------------------------------------
>
>                 Key: CASSANDRA-1381
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-1381
>             Project: Cassandra
>          Issue Type: Sub-task
>          Components: Core
>            Reporter: Kelvin Kakugawa
>            Assignee: Kelvin Kakugawa
>         Attachments: 001-standard-counter.patch
>
>
> allow addition and subtraction.
> context tuple format:
> (<node id>, <big-endian signed long>, <# of ops>)
> reconciliation strategy:
> local: sum counts and # of ops
> remote: take counts based on highest # of ops

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