Ceph Leadership Team Meeting Minutes - May 10, 2023

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Hi Cephers,

These are the topics that we just covered in today's meeting:

   - *Issues recording our meetings in Jitsi (Mike Perez)*
      - David Orman suggested using a self-hosted Jitsi instance:
      https://jitsi.github.io/handbook/docs/devops-guide/. Tested on a
      single container, with 4 cores for 4-5 attendees a call.
      - Help needed from Dan Mick & Adam Kraitman.
      - Ilya: this might scale for smaller meetings (dailies), but not for
      the larger ones (CDM, User-Devs, etc.).
   - *Reef release status review*
      - Josh: CentOS 9 blocked by Dashboard/Cephadm Python deps missing in
      CentOS 9. Casey: It's blocking teuthology testing.
         - Already discussed in devs mailing list a couple of months ago,
         for Quincy + Centos 9 (the missing packages would be the same).
         - Ken Dreyer preferred to keep the legacy approach (distro
         packages) instead of embedding Python deps.
         - Casey, Matt & Ernesto to resume that discussion with Ken Dreyer.
      - Other issues:
         - Radek:
            - Performance issue with RocksDB config.
            - Mismatching client-server features during upgrade. msgr
            encoder-decoder issues, introduced feature bit for Squid (
            https://github.com/ceph/ceph/commit/1049d3e5eff0b7fa4fc9e5853494cb21c10b290a).
            Performance concerns. To be further discussed at Mark's
Perf meeting (incl.
            Yuval)
         - Paul Cuzner perf testing Reef: higher CPU usage in Reef vs
         Quincy (more time spent in RocksDB get calls)
      - Target GA remains this June. Missing CentOS 9 packages becoming a
      blocker issue for the release.
   - *Perf regression in Pacific vs Nautilus (David Orman)*
      - https://tracker.ceph.com/issues/58530
      - Mark: Missing change in upstream Rocksdb project.
      - David Orman: Is this degradation still happening in newer Rocksdb
      versions (reef)? Mark: No reason to think otherwise.

Kind Regards,
Ernesto
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