[jira] [Commented] (GIRAPH-337) Make a specific Giraph configuration for Class caching and specific Giraph configuration

["Avery Ching (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/GIRAPH-337?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13460946#comment-13460946 ] 

Avery Ching commented on GIRAPH-337:
------------------------------------

Configuration have been deprecated in favor of GiraphConfiguration for easy get/set methods. Then I have ImmutableClassesGiraphConfiguration that will generate the classes as final variables to be thread-safe. This is a big improvement over Configuration#getClass(), which is very slow and makes deserialization very slow. This represents the bulk of the changes as we have to change code everywhere. All configuration variables have moved from GiraphJob to GiraphConfiguration. Note that I didn't fix the vertex input / output APIs to use ImmutableClassesGiraphConfiguration and just generate it there for now. That can be done in a later change.
There is a new ImmutableClassesGiraphConfigurable that replaces Configurable and our ReflectionUtils understands this to make sure to newInstance an object and set its ImmutableClassesGiraphConfiguration if it is ImmutableClassesGiraphConfigurable.
                
> Make a specific Giraph configuration for Class caching and specific Giraph configuration
> ----------------------------------------------------------------------------------------
>
>                 Key: GIRAPH-337
>                 URL: https://issues.apache.org/jira/browse/GIRAPH-337
>             Project: Giraph
>          Issue Type: Sub-task
>            Reporter: Avery Ching
>


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