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From "Mike Drob (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (ACCUMULO-2219) parallelize the operation of certain FATE operations
Date Fri, 18 Jul 2014 03:32:05 GMT

     [ https://issues.apache.org/jira/browse/ACCUMULO-2219?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Mike Drob resolved ACCUMULO-2219.
---------------------------------

    Resolution: Cannot Reproduce

[~afuchs] - if you are able to replicate this, please re-open.

> parallelize the operation of certain FATE operations
> ----------------------------------------------------
>
>                 Key: ACCUMULO-2219
>                 URL: https://issues.apache.org/jira/browse/ACCUMULO-2219
>             Project: Accumulo
>          Issue Type: Improvement
>          Components: fate
>    Affects Versions: 1.4.4, 1.5.0
>            Reporter: Adam Fuchs
>
> As in ACCUMULO-2217, a user operation can cause the FATE processor to get stuck and require
administrative action to make progress on any future FATE operations. We should look at ways
to parallelize the execution of FATE tasks that commute and don't interfere with each other.
Maybe there are some rules we can use to run certain well-known operations in parallel (like
a merge on one table at the same time as a deletion of another table, for example).
> This has a strong impact on multi-tenancy, preventing one user's operations from hosing
all the other users.



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