On 8/18/20 9:09 AM, Dmitry Shulyak wrote: > it worked, but there are some issues. > with o_dsync and even moderate submission rate threads are stuck in > some cpu task (99.9% cpu consumption), and make very slow progress. > have you expected it? it must be something specific to uring, i can't > reproduce this condition by writing from 2048 threads. Do you have a reproducer I can run? Curious what that CPU spin is, that obviously shouldn't happen. -- Jens Axboe
