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From "Sean Busbey (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (ACCUMULO-1797) update release practices to cover multiple Hadoops
Date Fri, 27 Dec 2013 20:07:50 GMT

    [ https://issues.apache.org/jira/browse/ACCUMULO-1797?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13857688#comment-13857688
] 

Sean Busbey commented on ACCUMULO-1797:
---------------------------------------

bq. My only concern is the "The cluster may have any number of worker nodes; it can even be
a single node in psuedo-distributed mode" addition. Like Keith already said, I'd also like
to see a recommendation about running multiple tservers or separate VMs when only a single
physical host is available when running CI/RW tests. Running tests on a single host is acceptable
(and better than nothing), but even two tservers on a single box improves the quality of the
testing.

I agree that this would be nice. I'd actually like to see a requirement that *someone* test
on a cluster of size >= 5 worker nodes (see my previous comment above).

However, the current patch just makes explicit the current assumed requirements around testing;
that is, there is no requirement on test cluster size. Running multiple tservers on a single
host is non-trivial, because our default configuration files and shell scripts are not conducive
to it.

How about I update that paragraph to say

bq. The following tests require a Hadoop cluster running a minimum of HDFS, MapReduce, and
ZooKeeper. The cluster MAY have any number of worker nodes; it can even be a single node in
psuedo-distributed mode. A cluster with multiple tablet servers SHOULD be used so that more
of the code base will be exercised. For the purposes of release testing, you should note the
number of nodes and versions used. See the Releasing section for more details.

> update release practices to cover multiple Hadoops
> --------------------------------------------------
>
>                 Key: ACCUMULO-1797
>                 URL: https://issues.apache.org/jira/browse/ACCUMULO-1797
>             Project: Accumulo
>          Issue Type: Sub-task
>            Reporter: Sean Busbey
>            Assignee: Sean Busbey
>         Attachments: ACCUMULO-1797.1-site.patch.txt
>
>
> if we're going to label Hadoop platforms as supported, we should ensure the release process
specifies that tests are run against each of them.



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