Re: [PATCHv4 0/3] Fix inode_lock sequence to scale performance of DIO mixed R/W workload

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On 12/6/19 2:16 PM, Joseph Qi wrote:
Tested with the following case:

fio -name=parallel_dio_reads_test -filename=/mnt/nvme0n1/testfile \
-direct=1 -iodepth=1 -thread -rw=randrw -ioengine=psync -bs=$bs \
-size=20G -numjobs=8 -runtime=600 -group_reporting

The performance result is the same as reverting parallel dio reads[1]
or even slightly better in both bandwidth and latency, which is as

That's great!!


expected.

So, Tested-by: Joseph Qi <joseph.qi@xxxxxxxxxxxxxxxxx>

Thanks :)

-ritesh




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