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From "Chris Trezzo (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (YARN-2179) Initial cache manager structure and context
Date Tue, 30 Sep 2014 00:24:35 GMT

     [ https://issues.apache.org/jira/browse/YARN-2179?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Chris Trezzo updated YARN-2179:
-------------------------------
    Attachment: YARN-2179-trunk-v10.patch

[~vinodkv] [~kasha]

Attached is v10.

Here is a new approach where I extend YarnClientImpl, stub out the service init/start/stop
methods and mock the relevant methods to test. Does this seem like a cleaner approach to you
guys?

I tried to do a straight mocking without extending the abstract class, but continually ran
into the issue that AbstractService.stateModel is initialized in the constructor. This creates
a problem when trying to stub AbstractService.getServiceState(), which is required for the
AbstractService to work with a CompositeService.

Let me know if you don't like this approach or you know of an easier method and I can readjust
the patch. Thanks!

> Initial cache manager structure and context
> -------------------------------------------
>
>                 Key: YARN-2179
>                 URL: https://issues.apache.org/jira/browse/YARN-2179
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>            Reporter: Chris Trezzo
>            Assignee: Chris Trezzo
>         Attachments: YARN-2179-trunk-v1.patch, YARN-2179-trunk-v10.patch, YARN-2179-trunk-v2.patch,
YARN-2179-trunk-v3.patch, YARN-2179-trunk-v4.patch, YARN-2179-trunk-v5.patch, YARN-2179-trunk-v6.patch,
YARN-2179-trunk-v7.patch, YARN-2179-trunk-v8.patch, YARN-2179-trunk-v9.patch
>
>
> Implement the initial shared cache manager structure and context. The SCMContext will
be used by a number of manager services (i.e. the backing store and the cleaner service).
The AppChecker is used to gather the currently running applications on SCM startup (necessary
for an scm that is backed by an in-memory store).



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