[ceph-users] Re: *****SPAM***** Re: CEPH 16.2.x: disappointing I/O performance

2021-10-05 Thread Zakhar Kirpichenko
Aren't all writes to bluestore turned into sequential writes? /Z On Tue, 5 Oct 2021, 20:05 Marc, wrote: > > Hi Zakhar, > > > using 16 threads) are not. Literally every storage device in my setup > > can read and write at least 200+ MB/s sequentially, so I'm trying to > > find an explanation

[ceph-users] Re: *****SPAM***** Re: CEPH 16.2.x: disappointing I/O performance

2021-10-05 Thread Marc
Hi Zakhar, > using 16 threads) are not. Literally every storage device in my setup > can read and write at least 200+ MB/s sequentially, so I'm trying to > find an explanation for this behavior. All writes in ceph are random afaik ___ ceph-users