Am 31.03.21 um 22:20 schrieb Chris Murphy:
Flushoncommit is safe but noisy in dmesg, and can make things slow it just depends on the workload. And discard=async is also considered safe, though relatively new. The only way to know for sure is disable it, and only it, run for some time period to establish "normative" behavior, and then enable only this option and see if behavior changes from the baseline
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Thank you for your detailed explanation. I was trying flushoncommit for better crash consistency. But this was based on theory, not experience.
BR