Re: 5.6, slow send/receive, < 1MB/s

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Subject: Re: 5.6, slow send/receive, < 1MB/s
From: Jorge Bastos <jorge.mrbastos@xxxxxxxxx>
Date: Sat, 23 May 2020 17:11:12 +0100
Cc: Btrfs BTRFS <linux-btrfs@xxxxxxxxxxxxxxx>
In-reply-to: <CAJCQCtT6zXdNOeTh1YTrWwji_QtK00hhiAP96ysrHdeg-DU3bw@mail.gmail.com>
References: <CAJCQCtTp+DJ3LQhfLhFh0eFBPvksrCWyDi9_KiWxM_wk+i=45w@mail.gmail.com> <CAJCQCtSJWBy23rU2L8Kbo0GgmNXHTZxaE2ewY1yODEF+SKe-QA@mail.gmail.com> <2ae5353b-461b-6a87-227c-f13b0c2ccfe2@suse.com> <CAJCQCtT6rnH75f8wC8uf+-NnxEsZtmoRhM9cE37QTR0TF6xqJQ@mail.gmail.com> <CAJCQCtSCzD-RtGH1tJjNN=PBgUfJARy0r1p1Ln0pU1eRNTmR9w@mail.gmail.com> <CAJCQCtQu4ffJYuOUWkhV_wR7L0ya7mTyt0tuLqbko-O8S+1fmg@mail.gmail.com> <CAJCQCtT=rStKTwUc86FyAp8C0D8eoRvgKHWYC3+e=fLJxJNUZA@mail.gmail.com> <CAJCQCtT6zXdNOeTh1YTrWwji_QtK00hhiAP96ysrHdeg-DU3bw@mail.gmail.com>

Hi there,

I'm also having much lower than normal send/receive performance since
upgrading to kernel 5.6 (currently kernel 5.6.13 - btrfs-progs 5.6),
there's also a very high CPU utilization during it, anything that can
be done for now?

Regards,
Jorge Bastos

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