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From "Josh Elser (JIRA)" <>
Subject [jira] [Updated] (ACCUMULO-4317) Accumulo client causes 'too many files open' due to infinite loop.
Date Mon, 20 Jun 2016 15:48:05 GMT


Josh Elser updated ACCUMULO-4317:
    Attachment: ACCUMULO-4317-testing.001.patch

Here's a patch that can go on top of Michiel's which allows for some better testing of his
original bugfix. I would only target master for my changes since they are a little more intrusive,
but at least we know that we have some test coverage for his changes.

[~mdrob], since you've already cut two RCs, I understand if we skip this for 1.7.2.

[~mjwall], is this OK to land for 1.8.1 since there hasn't been an rc1 yet?

Anyone have a moment to review these changes? ([~ctubbsii], [~bills], [~billie.rinaldi])

> Accumulo client causes 'too many files open' due to infinite loop.
> ------------------------------------------------------------------
>                 Key: ACCUMULO-4317
>                 URL:
>             Project: Accumulo
>          Issue Type: Bug
>          Components: client
>    Affects Versions: 1.6.5, 1.7.0, 1.7.1
>            Reporter: Michiel Vanderlee
>            Assignee: Michiel Vanderlee
>            Priority: Blocker
>             Fix For: 1.6.6, 1.7.3, 1.8.1
>         Attachments: ACCUMULO-4317-testing.001.patch, Accumulo-4317.patch
> Accumulo stores hostnames in zookeeper, if the client can not resolve these then it will
continue to try to connect in a while(true) loop. This will eventually cause 'too many files
open' errors.
> Loop is in$executeRaw
> Bug: Should error out after some time, not retry infintely.
> Workaround: Add hostnames to /etc/hosts and restart.

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