Re: OSD spend too much time on "waiting for readable" -> slow ops -> laggy pg -> rgw stop -> worst case osd restart

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



Am 10.11.21 um 11:35 schrieb Manuel Lausch:
> oh shit,
>
> I patched in a switch to deactivate the read_lease feature. This is only a hack to test a bit around. But accidentally I had this switch enabled for my last tests done here in this mail-thread.
>
> The bad news. The require_osd_release doesn't fix the slow op problematic, only the increasing of the osdmap epochs are fixed.
> Unfortunately, even reduceing the paxos_prpopose_interval changes anything. My last tests with it was wrong due to my hack :-(


Would it be an option to make this hack a switch for all those who don't require the read lease feature and are happy with reading from just the primary?


Peter



_______________________________________________
ceph-users mailing list -- ceph-users@xxxxxxx
To unsubscribe send an email to ceph-users-leave@xxxxxxx



[Index of Archives]     [Information on CEPH]     [Linux Filesystem Development]     [Ceph Development]     [Ceph Large]     [Ceph Dev]     [Linux USB Development]     [Video for Linux]     [Linux Audio Users]     [Yosemite News]     [Linux Kernel]     [Linux SCSI]     [xfs]


  Powered by Linux