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Use invalidations for performing check for intersecting periods being processed #22394
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Code looks ok, but would prefer another pair of 👀 to have a look as well.
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This issue is in "needs review" but there has been no activity for 7 days. ping @matomo-org/core-reviewers |
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This PR was last updated more than one month ago, maybe it's time to close it. Please check if there is anything we still can do or close this PR. ping @matomo-org/core-reviewers |
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Description:
When archiving is running, we are basically processing invalidations that were previously created.
To ensure that every processed invalidation already has all required data available, we perform certain checks to avoid that e.g. a week archive is processed when a day archives of that week is still processed. Similar checks are applied for segment processing.
Currently the check for other archiving jobs that might process an invalidation for an intersecting period (or segment) is performed by checking the running multicli processes. This might work fine if a single machine is performing the archiving. But as soon as there are multiple servers performing the archiving, this detection would fail, causing intersecting periods being archived in parallel.
By looking into the invalidation table instead of checking running processes, we can ensure that running jobs are detected across multiple machines.
It though carries the risk of making detection of failed archiving jobs bit worse. We will work on further improvements for this separately.
Refs DEV-18290
Review