Sebastian Toader created AMBARI-16222:
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Summary: Improve blueprint based deploy speed with
GroupedCommandExecutor
Key: AMBARI-16222
URL: https://issues.apache.org/jira/browse/AMBARI-16222
Project: Ambari
Issue Type: Task
Components: ambari-server
Reporter: Sebastian Toader
Assignee: Andrew Onischuk
Fix For: 2.4.1
- Implement a GroupedCommand Executer that is able to execute a uber
command.json that describe how to Start / Stop *all host-components* on a host.
- This generated command.json describes a *stage* in it entirety with all the
commandParms list that need to be executed.
- The GCE launches CONFIGURE actions serially
- The Start/Stop operations are launched in parallel with retires
- Consider launching single python process for executing the operations as a
cost saver for CONFIGURE operations
*Note*: We still restrict this to a stage to simplify things like RCO which are
not understood on the agent-side. The blueprints deploys for MSFT already limit
number of stages created and thereby sticking to a stage as logical separation
between GroupedCommands make sense for now.
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