BoYang created YARN-2518:
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Summary: Support in-process container executor
Key: YARN-2518
URL: https://issues.apache.org/jira/browse/YARN-2518
Project: Hadoop YARN
Issue Type: New Feature
Components: nodemanager
Affects Versions: 2.5.0
Environment: Linux, Windows
Reporter: BoYang
Priority: Minor
Node Manage always creates a new process for a new application. We have hit a
scenario where we want the node manager to execute the application inside its
own process, so we get fast response time. It would be nice if Node Manager or
YARN can provide native support for that.
In general, the scenario is that we have a long running process which can
accept requests and process the requests inside its own process. Since YARN is
good at scheduling jobs, we want to use YARN to dispatch jobs (e.g. requests in
JSON) to the long running process. In that case, we do not want YARN container
to spin up a new process for each request. Instead, we want YARN container to
send the request to the long running process for further processing.
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