You can also extend that command line to specify specific block and total sizes. Check the help text. :) -Greg
On Thursday, October 29, 2015, Lindsay Mathieson < [email protected]> wrote: > > On 29 October 2015 at 19:24, Burkhard Linke < > [email protected] > <javascript:_e(%7B%7D,'cvml','[email protected]');> > > wrote: > >> # ceph tell osd.1 bench >> { >> "bytes_written": 1073741824, >> "blocksize": 4194304, >> "bytes_per_sec": 117403227.000000 >> } >> >> It might help you to figure out whether individual OSDs do not perform as >> expected. The amount of data written is limited (but there's a config >> setting for it). With 1 GB as in the example above, the write operation >> will probably be limited to the journal. >> > > > > Thats perfect, thanks Burkhard, it lets me compare osd's and > configurations. > > > -- > Lindsay >
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