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From "Josh Elser (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (ACCUMULO-2739) Create an In-Process MiniAccumuloCluster
Date Thu, 26 Mar 2015 21:41:53 GMT

    [ https://issues.apache.org/jira/browse/ACCUMULO-2739?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14382734#comment-14382734
] 

Josh Elser commented on ACCUMULO-2739:
--------------------------------------

Despite this being more or less abandoned, HBase does this by default for their test cluster
code. When debugging HBase unit tests, the ability for the debugger to go from client code
into server code is *super* nice and makes things really easy.

I don't know what else it would take after making all of the JVM halts optional (or deleted
completely?), but I do think there's some merit in making it work. I am, however, not actively
working on it, so unassigning.

> Create an In-Process MiniAccumuloCluster
> ----------------------------------------
>
>                 Key: ACCUMULO-2739
>                 URL: https://issues.apache.org/jira/browse/ACCUMULO-2739
>             Project: Accumulo
>          Issue Type: New Feature
>          Components: mini
>            Reporter: Josh Elser
>            Assignee: Josh Elser
>             Fix For: 1.7.0
>
>
> Two common griefs about MiniAccumuloCluster is that it's slow to start and it is difficult
to debug things running inside of the Master or TabletServer (because they are in separate
processes).
> Running each Accumulo process inside of the parent process would likely increase startup
speed and would make debugging much easier (as you wouldn't have to remote-attach the debugger
anymore).
> Such a MAC would likely also pave the way for easier migration away from MockAccumulo
as both of the above complaints are some of the primary concerns for removing Mock with no
replacemnt.



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