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avoid frequantly syncing stats simultaneously #54481

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hawkingrei opened this issue Jul 5, 2024 · 0 comments · May be fixed by #54480
Open

avoid frequantly syncing stats simultaneously #54481

hawkingrei opened this issue Jul 5, 2024 · 0 comments · May be fixed by #54480
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hawkingrei commented Jul 5, 2024 •
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Enhancement

Now, StatsCacheImpl.Update can sync stats by version from the storage. we have many scenarios to call it. such as domain.loadStatsWorker and Analyze. When customers use lightning, lightning will trigger the multi-analyzed tasks simultaneously. so it also triggers multi StatsCacheImpl.Update simultaneously. it is unnecessary.
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statistics: avoid frequantly syncing stats simultaneously hawkingrei/tidb
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