Ceph

04/24/2024

04:58 PM rgw Bug #65656: Reduce default thread pool size

Test env:
---------
3x MON/MGR nodes
Dell R630
2x E5-2683 v3 (28 total cores, 56 threads)
128 GB RAM
8x... Tim Wilkinson

04:41 PM rgw Bug #65656 (New): Reduce default thread pool size

Our recent RGW thread pool size profiling (RHEL 9.2, Ceph 18.2.0-131) revealed that for both smaller (max 256KB) and ... Tim Wilkinson

08/09/2023

04:16 PM RADOS Bug #62248: upstream Quincy incorrectly reporting pgs backfill_toofull

All ceph logs have been copied to the root dir of each node in /root/230809-1607_ceph. So regardless if the cluster i... Tim Wilkinson

02:25 PM RADOS Bug #62248: upstream Quincy incorrectly reporting pgs backfill_toofull

This issue was reproduced on one of the clusters. A PG dump snapshot was taken at the time and both _debug_osd_ and _... Tim Wilkinson

08/07/2023

05:55 PM RADOS Bug #62248: upstream Quincy incorrectly reporting pgs backfill_toofull

It appears to be consistent. Does the debug_osd=20 need to be engaged prior to the issue or can we enable it for some... Tim Wilkinson

08/01/2023

03:12 PM RADOS Bug #62248: upstream Quincy incorrectly reporting pgs backfill_toofull

In time the cluster settled and completed its recovery without issue. The same issue has been observed on a different... Tim Wilkinson

07/31/2023

03:37 PM RADOS Bug #62248 (Need More Info): upstream Quincy incorrectly reporting pgs backfill_toofull

Our fault insertion testing with 17.2.6 is showing a cluster status reporting PGs toofull but when we dig into the PG... Tim Wilkinson

09/07/2022

03:14 PM Orchestrator Bug #57462: cephadm removes config & keyring files in mid flight

Bug 2024301 was the issue referenced above ... https://bugzilla.redhat.com/show_bug.cgi?id=2024301 Tim Wilkinson

02:29 PM Orchestrator Bug #57462 (Resolved): cephadm removes config & keyring files in mid flight

During testing, cephadm spontaneously removes the ceph.conf and keyring files from the admin/mon node and creates new... Tim Wilkinson

07/28/2022

04:20 PM bluestore Bug #56640: RGW S3 workload has a huge performance boost in quincy 17.2.0 as compared to 17.2.1

Correction, each test had site1 w/out BSZBD and the other with it enabled. The second round of tests were the same bu... Tim Wilkinson