[ceph-users] Re: weird performance issue on ceph

On 26.09.22 21:00, Frank Schilder wrote: I wonder if it might be a good idea to collect such experience somewhere in the ceph documentation, for example, a link unser hardware recommendations->solid state drives in the docs. Are there legal implications with creating a list of drives showing

[ceph-users] Re: weird performance issue on ceph

erformance death trap: https://tracker.ceph.com/issues/55324 ? = Frank Schilder AIT Risø Campus Bygning 109, rum S14 From: Mark Nelson Sent: 25 July 2022 18:50 To: ceph-users@ceph.io Subject: [ceph-users] Re: weird performance issue on ceph

[ceph-users] Re: weird performance issue on ceph

gt;>>>> we didn't want to deal with having to situationally disable >>>>>>>>>> it for drives with buggy firmwares and some of the other >>>>>>>>>> associated problems with online discard. Having said th

[ceph-users] Re: weird performance issue on ceph

related to this performance death trap: https://tracker.ceph.com/issues/55324 ? = Frank Schilder AIT Risø Campus Bygning 109, rum S14 From: Mark Nelson Sent: 25 July 2022 18:50 To: ceph-users@ceph.io Subject: [ceph-users] Re: weird perf

[ceph-users] Re: weird performance issue on ceph

/ceph/ceph/pull/47221 Mark On 7/25/22 12:48, Frank Schilder wrote: Could it be related to this performance death trap: https://tracker.ceph.com/issues/55324 ? ===== Frank Schilder AIT Risø Campus Bygning 109, rum S14 From: Mark Nelson Sent: 25 July 2022 18:50 To: ce

[ceph-users] Re: weird performance issue on ceph

/47221 Mark On 7/25/22 12:48, Frank Schilder wrote: Could it be related to this performance death trap: https://tracker.ceph.com/issues/55324 ? ========= Frank Schilder AIT Risø Campus Bygning 109, rum S14 From: Mark Nelson Sent: 25 July 2022 18:50 To: ceph-users@ceph.io Subject: [cep

[ceph-users] Re: weird performance issue on ceph

all PR for improving our RocksDB tunings/glue here: https://github.com/ceph/ceph/pull/47221 Mark On 7/25/22 12:48, Frank Schilder wrote: Could it be related to this performance death trap: https://tracker.ceph.com/issues/55324 ? = Frank Schilder AIT Risø Campus Bygning 109, rum

[ceph-users] Re: weird performance issue on ceph

: Could it be related to this performance death trap: https://tracker.ceph.com/issues/55324 ? = Frank Schilder AIT Risø Campus Bygning 109, rum S14 From: Mark Nelson Sent: 25 July 2022 18:50 To: ceph-users@ceph.io Subject: [ceph-users] Re: weird performance issue on ceph

[ceph-users] Re: weird performance issue on ceph

glue here: https://github.com/ceph/ceph/pull/47221 Mark On 7/25/22 12:48, Frank Schilder wrote: Could it be related to this performance death trap: https://tracker.ceph.com/issues/55324 ? = Frank Schilder AIT Risø Campus Bygning 109, rum S14 _________

[ceph-users] Re: weird performance issue on ceph

Hi, All rbd features was added to ceph-csi in last year [1] You can add object-map feature in your options like any others: ``` imageFeatures: layering,exclusive-lock,object-map,fast-diff,deep-flatten mapOptions: ms_mode=prefer-crc ``` k [1] https://github.com/ceph/ceph-csi/pull/2514

[ceph-users] Re: weird performance issue on ceph

; > > > > > Mark > > > > On 7/25/22 12:48, Frank Schilder wrote: > > > Could it be related to this performance death trap: > > https://tracker.ceph.com/issues/55324 ? > > > ========= > > > Frank Schilder > > > AIT Risø Campus &

[ceph-users] Re: weird performance issue on ceph

ed to this performance death trap: > https://tracker.ceph.com/issues/55324 ? > > = > > Frank Schilder > > AIT Risø Campus > > Bygning 109, rum S14 > > > > ________________ > > From: Mark Nelson > > Sent: 25

[ceph-users] Re: weird performance issue on ceph

=== Frank Schilder AIT Risø Campus Bygning 109, rum S14 From: Mark Nelson Sent: 25 July 2022 18:50 To: ceph-users@ceph.io Subject: [ceph-users] Re: weird performance issue on ceph Hi Zoltan, We have a very similar setup with one of our upstr

[ceph-users] Re: weird performance issue on ceph

Hi Zoltan, We have a very similar setup with one of our upstream community performance test clusters.  60 4TB PM983 drives spread across 10 nodes.  We get similar numbers to what you are initially seeing (scaled down to 60 drives) though with somewhat lower random read IOPS (we tend to max o