| EBernhardson added a comment. |
Well, there were some hi level and low level changes visible on the elasticsearch servers:
High level
- per-node p95 latencies for the effected servers is now quite consistent, before it would typically have 50-100ms spikes.
Low level
- pcm-numa.x reported increased IPC under load, and an increased ratio of local dram to remote dram access at all times
- pcm-memory.x reported significantly better balance of memory bandwidth used between channels
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Cc: EBernhardson, Stashbot, gerritbot, Aklapper, Gehel, Smalyshev, Lahi, Gq86, Darkminds3113, Lucas_Werkmeister_WMDE, GoranSMilovanovic, QZanden, EBjune, merbst, LawExplorer, Avner, Jonas, FloNight, Xmlizer, jkroll, Wikidata-bugs, Jdouglas, aude, Tobias1984, Manybubbles, Mbch331
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