Sanil Jain created SAMZA-2579:
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Summary: Force Restart Container feature for Container Placements
Key: SAMZA-2579
URL: https://issues.apache.org/jira/browse/SAMZA-2579
Project: Samza
Issue Type: New Feature
Reporter: Sanil Jain
Assignee: Sanil Jain
The current restart ability works in the following way:
1. Tries to fetch resources on a host
2. Stops the active container if resources are accrued
3. Tried to start the container on host accrued
In production we have seen following observation with ATC / concourse with this
1. CDP jobs are configured to use resources for peak which leads to no headroom
left on host for requesting additional resources
2. This leads to restart requests failing due to not able to get resources on
that host
A fix to this is to implement a force-restart utility for CDP, in this version
we will stop the container first and then accure resources. The upside being we
will atleast free up the resources on the host before issuing resource request,
downside being it will be a best effort scenario to bring that contianer back
up on that host
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