Date: Thu, 7 Oct 2021 04:16:43 +0200 From: Felix Palmen <felix@palmen-it.de> To: freebsd-current@freebsd.org Subject: Writing large build logs to NFS extremely slow? Message-ID: <20211007021643.bwglyvrswk2nm3fl@nexus.home.palmen-it.de>
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--6cllmsfym7gt7d4d Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: quoted-printable Hi all, I use a -CURRENT bhyve vm for testing port builds with poudriere. As this vm is only running when needed, but I want to always have access to the build logs, I use NFS to mount /usr/local/poudriere/data/logs from the host. I noticed some few ports take ridiculously long to build while barely using any CPU time at all. On a closer look, that's all ports producing a lot of compiler (warning) output, e.g. gcc, gnutls, gtk2, =E2=80=A6 So I assume appending to a large file via NFS gets slower and slower. Is there any mount option I could try to fix this? Right now I only have `nolockd`, I also tried `noncontigwr` which didn't change anything. Thinking about alternatives to NFS, are there any news for client-side 9p virtfs? I found <https://github.com/swills/virtfs-9p-kmod>; which still builds with a few minor adaptions, but trying to mount a 9p share freezes the machine. Would you suggest a different mailing list to ask? BR, Felix --=20 Dipl.-Inform. Felix Palmen <felix@palmen-it.de> ,.//.......... {web} http://palmen-it.de {jabber} [see email] ,//palmen-it.de {pgp public key} http://palmen-it.de/pub.txt // """"""""""" {pgp fingerprint} A891 3D55 5F2E 3A74 3965 B997 3EF2 8B0A BC02 DA2A --6cllmsfym7gt7d4d Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQEzBAABCAAdFiEEqJE9VV8uOnQ5ZbmXPvKLCrwC2ioFAmFeWHQACgkQPvKLCrwC 2ipEiggAoQD5nkmj/aRlDAZGE5zhFH7jQajcsCnalr6UZZ43ioogVTVkc8K2B+Zh ZsO1SUjxFdbsWLWJbjYQUh4+XxVtkUbP1aUw3+jYgkBqk8Ftap6UDEQZPjNzvmSf yxun9k6ywOwfuCzIZtqWUDe9ZgpNQAIG9XZLu3A0cqIzVSLdHjuLDZ5B8iIMFyts E78NMiMM3Dm/Cahl/YaJFJlum/JGz5niDJtoudYl/qcfzNi1L7eOUejcuwRJu9hp JCiXh2Ni6zcyasznzKQ4kcPFMH0+a3Bj5TQiKdLO2uuU4mBiFCRf/i4RY/bJJsOm 90CrCEDWaisJ6iygHJivPMuwDb041g== =ZLQ3 -----END PGP SIGNATURE----- --6cllmsfym7gt7d4d--
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