Hi Mosharaf, If you undo the read balancing commands (using the command 'ceph osd rm-pg-upmap-primary' on all pgs in the pool) do you see improvements in the performance? Regards, Josh On Thu, Sep 14, 2023 at 12:35 AM Laura Flores <lflores@xxxxxxxxxx> wrote: > Hi Mosharaf, > > Can you please create a tracker issue and attach a copy of your osdmap? > Also, please include any other output that characterizes the slowdown in > client I/O operations you're noticing in your cluster. I can take a look > once I have that information, > > Thanks, > Laura > > On Wed, Sep 13, 2023 at 5:23 AM Mosharaf Hossain < > mosharaf.hossain@xxxxxxxxxxxxxx> wrote: > >> Hello Folks >> We've recently performed an upgrade on our Cephadm cluster, transitioning >> from Ceph Quiency to Reef. However, following the manual implementation of >> a read balancer in the Reef cluster, we've experienced a significant >> slowdown in client I/O operations within the Ceph cluster, affecting both >> client bandwidth and overall cluster performance. >> >> This slowdown has resulted in unresponsiveness across all virtual machines >> within the cluster, despite the fact that the cluster exclusively utilizes >> SSD storage." >> >> Kindly guide us to move forward. >> >> >> >> Regards >> Mosharaf Hossain >> _______________________________________________ >> ceph-users mailing list -- ceph-users@xxxxxxx >> To unsubscribe send an email to ceph-users-leave@xxxxxxx >> >> > > -- > > Laura Flores > > She/Her/Hers > > Software Engineer, Ceph Storage <https://ceph.io> > > Chicago, IL > > lflores@xxxxxxx | lflores@xxxxxxxxxx <lflores@xxxxxxxxxx> > M: +17087388804 > > > _______________________________________________ ceph-users mailing list -- ceph-users@xxxxxxx To unsubscribe send an email to ceph-users-leave@xxxxxxx
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