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Ran 22 Jun 2025 03:40AM UTC

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Committed 21 Jun 2025 01:34PM UTC coverage: 77.719%. Remained the same

Job # 15802527717.1

Build Type

push

github

Committed by

web-flow

Commit Message

CA-408552: Improve bootstrom performance by save db ops (#6541)

events_from_xenopsd thread is critical as it sync up VM status in case
of bootstorm, this thread is flood as lots of events comes from xenopsd
waiting for process.

During processing of the events, VM/VDI/VBD update_allowed_operations
will be called to refresh the allowed operations.

However, for each ops (start/suspend,etc) for the same object(VM), the
object info is always the same no matter what the ops is. Thus, it is
not necessary to query the object information over and over again.

Disclosure is used to resovle the issue. Query once and the disclosure
will just remember the query result.

The performance test for starting 500 VM on 4 hosts improve around 10%
performance for both XS8 and XS9

Run Details

3359 of 4322 relevant lines covered (77.72%)

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