Thread (9 messages) 9 messages, 4 authors, 2018-08-18

Re: blk-mq 5-8 times slower for bmap-tools

From: Ricardo Ribalda Delgado <hidden>
Date: 2018-08-17 20:57:18

Hi Paolo

On Fri, Aug 17, 2018 at 7:42 PM Paolo Valente [off-list ref] wrote:
Try bfq too, as it is probably the one containing also the most old
way heuristics.  If bfq fails too, we will at least know that the issue
is out of the schedulers. Or in every scheduler! :)
I believe that for this specific setup: A disk reader with a cfast via
USB3, the best approach might be to have a single queue and respect
the tool sequence. But definitely the io layer is out of my expertise
;)

Monday morning will performe the tests.

Thanks again and best regards!


-- 
Ricardo Ribalda
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