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https://issues.apache.org/jira/browse/TEZ-1372?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14087212#comment-14087212
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Thaddeus Diamond commented on TEZ-1372:
---------------------------------------
Very nice. It's working. Got it to run with:
{noformat}
TezClient tezClient = new TezClient(sessionName, tezConfiguration);
tezClient.start();
ProcessorDescriptor preWarmProcDescriptor = new
ProcessorDescriptor(QueryPreWarmProcessor.class.getName());
Resource resource = Resource.newInstance(tezVertexMemoryMb, tezVertexVCores);
Vertex vertex = new Vertex(MyDummyProcessor.class.getName(),
preWarmProcDescriptor, preWarmNumberOfContainers, resource);
tezClient.preWarm(vertex);
tezClient.waitTillReady();
{noformat}
Does that look correct to you guys procedurally? Do I need the last line? m2c
is that I don't need any more sugar than that as an app developer. Makes sense
semantically too, I use my application's processor and normal description to
prewarm the client. For good measure I could cache the {{ProcessorDescriptor}}
and {{Resource}} in my example and reuse them later in the application but just
change the I/O and {{Vertex}} object.
> Fix preWarm to work after recent API changes
> --------------------------------------------
>
> Key: TEZ-1372
> URL: https://issues.apache.org/jira/browse/TEZ-1372
> Project: Apache Tez
> Issue Type: Sub-task
> Affects Versions: 0.5.0
> Reporter: Bikas Saha
> Assignee: Bikas Saha
> Priority: Blocker
> Attachments: TEZ-1372.1.patch, TEZ-1372.2.patch
>
>
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