An AWS engineer has reported PostgreSQL throughput dropping to 0.51x on Linux 7.0 after a kernel preemption change, with no fix before stable release.
  • Rimu@piefed.socialEnglish
    21·
    9 hours ago

    Wouldn’t it make sense to merge in rseq support well in advance of removing PREEMPT_NONE, not do both at the same time?

    • deegeese@sopuli.xyz
      3·
      53 minutes ago

      But that hurts the ego of the kernel developer because they have to wait for the next release.