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From "Keith Turner (JIRA)" <>
Subject [jira] [Commented] (ACCUMULO-2998) provide a mechanism to allow clients to wait for balance
Date Thu, 17 Jul 2014 14:15:07 GMT


Keith Turner commented on ACCUMULO-2998:

[~ecn] and I had an offline discussion about this issue.  A few points that I think are interesting

 * The little test utility I wrote waits for tablets to be evenly spread, but this makes assumptions
about how the pluggable balancer behaves.  [~ecn]'s changes are more general and wait until
the pluggable balance has no more work to do.   
 * The method waits for the entire system to be balanced.  I was thinking it may be more useful
to wait for a particular table to be balanced.  However, the use does not have to use the
per table balancer making it tricky to implement waiting for a particular table to balance.

> provide a mechanism to allow clients to wait for balance
> --------------------------------------------------------
>                 Key: ACCUMULO-2998
>                 URL:
>             Project: Accumulo
>          Issue Type: New Feature
>          Components: client, master
>            Reporter: Eric Newton
>            Assignee: Eric Newton
>            Priority: Minor
>             Fix For: 1.7.0
>          Time Spent: 10m
>  Remaining Estimate: 0h
> It would be nice to wait for the balancer to run and find no work to do after creating
a bunch of splits.

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