Re: Aggregated results too high when using multiple servers via "client" command
Sitsofe Wheeler <[email protected]>
| Newsgroups | org.kernel.vger.fio |
|---|---|
| Message-ID | <CALjAwxgRZv8mO0yTNxyZ_io6=eLSLdWbdoDsqs7HyKqzZcX+mg@mail.gmail.com> |
On Mon, 5 May 2025 at 11:56, René Weber <[email protected]> wrote: > > You are absolutely right. Lots of details missing indeed… > > fio-3.36 on Ubuntu 24.04.2 LTS > > Command: > fio --client=configs/host.list fio-configs/test.job --output=test.output --output-format=json > > cat test.job: > [global] > filename=/mnt/benchmark/testfile.dat > group_reporting > write_bw_log=aggregated > > [Full Write] > size=25G > bs=512K > rw=write > ioengine=libaio > direct=1 > time_based > runtime=60s > > cat host.list > 10.100.12.51 > 10.100.12.52 > 10.100.12.53 > 10.100.12.54 > > My target is a NAS device mounted via CIFS/SMB under /mnt/benchmark/ > I played around with write_bw_log=aggregated and group_reporting, but in the end the summarized Bandwidth is always higher than my target device overall performance. Is there any difference in performance numbers if you add end_fsync=1 to the job file? -- Sitsofe