[ceph-users] Re: benchmark Ceph

2020-09-15 Thread dorcamelda
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[ceph-users] Re: benchmark Ceph

2020-09-14 Thread rainning
What is your Ceph version? From the test results you posted, your environment's performance is okay in regard of your setup. But there are definitely many things that can be tuned to get you better number. I normally use top, iostat, pidstat, vmstat, dstat, iperf3, blktrace, netmon, ceph admin

[ceph-users] Re: benchmark Ceph

2020-09-14 Thread Tony Liu
; From: rainning > Sent: Monday, September 14, 2020 8:39 PM > To: Tony Liu ; ceph-users > Subject: [ceph-users] Re: benchmark Ceph > > Can you post the fio results with the ioengine using libaio? From what > you posted, it seems to me that the read test hit cache. And the wri

[ceph-users] Re: benchmark Ceph

2020-09-14 Thread rainning
Can you post the fio results with the ioengine using libaio? From what you posted, it seems to me that the read test hit cache. And the write performance was not good, the latency was too high (~35.4ms) while the numjobs and iodepth both were 1. Did you monitor system stat on both side (VM/Compu