harikrishna-patnala opened a new pull request #3991: Multiple dynamic VM Scaling APIs can create duplicate usage events for the same time URL: https://github.com/apache/cloudstack/pull/3991 ## Description Submitting multiple dynamic VM Scaling API commands for the same instance can result in two usage events in the same second causing a compound key violation in usage service Root cause: Even though dynamic scaling job is handled in vmworkjob queue which ensures serilizing multiple jobs but the database updating and generating usage events are out of the job queue. Solution: Moved all updations into the job queue <!--- Describe your changes in detail --> <!-- For new features, provide link to FS, dev ML discussion etc. --> <!-- In case of bug fix, the expected and actual behaviours, steps to reproduce. --> <!-- When "Fixes: #<id>" is specified, the issue/PR will automatically be closed when this PR gets merged --> <!-- For addressing multiple issues/PRs, use multiple "Fixes: #<id>" --> <!-- Fixes: # --> ## Types of changes <!--- What types of changes does your code introduce? Put an `x` in all the boxes that apply: --> - [ ] Breaking change (fix or feature that would cause existing functionality to change) - [ ] New feature (non-breaking change which adds functionality) - [ x] Bug fix (non-breaking change which fixes an issue) - [ ] Enhancement (improves an existing feature and functionality) - [ x] Cleanup (Code refactoring and cleanup, that may add test cases) ## Screenshots (if appropriate): ## How Has This Been Tested? <!-- Please describe in detail how you tested your changes. --> <!-- Include details of your testing environment, and the tests you ran to --> <!-- see how your change affects other areas of the code, etc. --> <!-- Please read the [CONTRIBUTING](https://github.com/apache/cloudstack/blob/master/CONTRIBUTING.md) document -->
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