On Tue, 5 Aug 2014, Konstantinos Tompoulidis wrote: > We decided to perform a scrub and see the impact now that we have 4x PGs. > It seems that now that the PGs are "smaller", the impact is not that high. > We kept osd-max-scrubs to 1 which is the default setting. > Indeed the output of "ceph df" was fixed. > > Another issue that came up is that, during the scrub process, we do not get > any feedback regarding the r/w client IO and op/s. It makes some sense since > it must be difficult to distinguish "scrub related" io/traffic. The client IO feedback should not be any different during scrubbing than normal... sage
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