Cody Gibb created AURORA-1900:
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Summary: Add RPC for rolling restarts
Key: AURORA-1900
URL: https://issues.apache.org/jira/browse/AURORA-1900
Project: Aurora
Issue Type: Task
Reporter: Cody Gibb
Assignee: Cody Gibb
Currently, there are two options to execute a rolling restart, however both are
undesirable — either use the restartShards endpoint and implement batching
client-side, or use startJobUpdate with slightly modified task config so that a
non-empty job diff forces an update. I propose adding a new thrift RPC for
launching a rolling restart, which is an interface around the existing upgrade
logic. Instead of requiring a TaskConfig and instanceCount, this restart
endpoint will only accept JobUpdateSettings and will simply launch an update
with the currently used task configuration. All of the existing job update RPCs
will still be able to access updates which were launched from this restart
endpoint. This ensures restarts are available in the UI and no additional
storage changes are required.
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