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How is SA performance affected by Meltdown/Spectre patches in Linux?

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Following on from another thread, where poor performance of a legacy DB (ASA10) was wrongly attributed (by me!) to Virtualisation, I'd be interested to know what the official view is on this in regard to more current versions?

I believe I was seeing about 25%-30% slower performance on queries and 1000% slow down on dbbackup, but my tests were not that scientifically conducted. This was on both Intel and AMD Ryzen CPUs.

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MarkCulp
Participant

The SQL Anywhere team is continuing to test the performance effects of the Meltdown/Spectre patches. Preliminary results indicate that it depends (that should not be a surprise!) We've seen anywhere between negligible effect to ~20% slowdown. Tests are ongoing.

Thanks for that. Any thoughts on the speed of dbbackup?

Vlad
Product and Topic Expert
Product and Topic Expert
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I was expecting this question 🙂