Re: [ceph-users] Latency spikes in OSD's based on bluestore

2019-04-08 Thread Patrik Martinsson
Hi Anthony, Thanks for answering. >> Which SSD model and firmware are you using? Which HBA? Well, from what I can see it's basically from all our SSD's, which unfortunately varies a bit. But from the example I posted the particular disk was, SSD SATA 6.0 Gb/s/0/100/1/0/0.8.0 /dev/s

[ceph-users] Latency spikes in OSD's based on bluestore

2019-04-07 Thread Patrik Martinsson
Hi all, I'm trying to get an better understanding regarding the "latency spikes" we see on *every* SSD-OSD (it may very well be on HDD's as well but to be honest I haven't bothered looking there since they are of no interest at the moment). Anyway, we are running a cluster with version 'ceph v