Luis Domingues Proton AG On Thursday, 28 March 2024 at 10:10, Sridhar Seshasayee <sseshasa@xxxxxxxxxx> wrote: > Hi Luis, > > > So our question, is mClock taking into account the reads as well as the > > writes? Or are the reads calculate to be less expensive than the writes? > > mClock treats both reads and writes equally. When you say "massive reads", > do you mean a predominantly > read workload? Also, the size of the reads is also factored in to arrive at > the cost of the operation. In general, > the cost of an I/O operation in mClock is proportional to its size. The > higher the cost, the longer the operation > stays in the queue. That being said, the implementation of mClock on > pacific is experimental at best. I would > recommend upgrading to either quincy or reef considering the significant > improvements that were made both > in terms of scheduling and usability. > > -Sridhar > _______________________________________________ > ceph-users mailing list -- ceph-users@xxxxxxx > To unsubscribe send an email to ceph-users-leave@xxxxxxx When I say massive reads, is when we are draining a disk or a node. Outside of that particular use case, everything works quite well. We plan upgrading in a near future, so we will see. _______________________________________________ ceph-users mailing list -- ceph-users@xxxxxxx To unsubscribe send an email to ceph-users-leave@xxxxxxx