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From "ASF GitHub Bot (JIRA)" <>
Subject [jira] [Commented] (CURATOR-225) Add a new mode ErrorMode.KEEP
Date Sun, 19 Jul 2015 22:36:04 GMT


ASF GitHub Bot commented on CURATOR-225:

Github user zzcoder commented on the pull request:
    @Randgalt I thought about that and it's problematic. The queue uses SEQUENTIAL flag. The
sequence number determines the order in the queue. It seems that you have to tamper with ZooKeeper
to achieve that.

> Add a new mode ErrorMode.KEEP
> -----------------------------
>                 Key: CURATOR-225
>                 URL:
>             Project: Apache Curator
>          Issue Type: New Feature
>          Components: Framework
>    Affects Versions: 2.8.0
>         Environment: Windows 7/Java 8
>            Reporter: Zhihong Zhang
>            Priority: Critical
>              Labels: curator, locking, queue
> When locking is used and consumer throws exception, there are currently 2 modes, REQUEUE
and DELETE.  In our use-cases, the items in the queue need to keep in the same FIFO order,
even in case of the error. A 3rd mode is needed to keep the queue order intact.

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