Date: Sat, 6 Mar 2021 00:27:55 +0200 From: Christos Chatzaras <chris@cretaforce.gr> To: FreeBSD-STABLE Mailing List <freebsd-stable@freebsd.org> Subject: Re: Filesystem operations slower in 13.0 than 12.2 Message-ID: <D89C3A09-53F9-420C-B92F-17B7DE6D8B2A@cretaforce.gr> In-Reply-To: <202103051842.125IgNl9013402@nuc.oldach.net> References: <202103051842.125IgNl9013402@nuc.oldach.net>
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I did some more tests. Finally I see similar results (with the exception = of one "portsnap extract" test). Also with 13.0 I can't trigger a bug = that I describe here: https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D250576 = --------------------------------------------------------------------------= --------------------------------------------------------------------------= ------ Command: /usr/bin/time -l rm -fr /usr/ports /usr/src (these tests done = with exactly the same hardware - I upgrade 12.2p4 to 13.0-RC1 for the = 2nd test) FreeBSD 12.2p4 12.67 real 0.36 user 1.94 sys 5652 maximum resident set size 8 average shared memory size 4 average unshared data size 139 average unshared stack size 950 page reclaims 0 page faults 0 swaps 49120 block input operations 136 block output operations 0 messages sent 0 messages received 0 signals received 49258 voluntary context switches 0 involuntary context switches 13.18 real 0.41 user 1.81 sys 5896 maximum resident set size 8 average shared memory size 4 average unshared data size 132 average unshared stack size 1074 page reclaims 0 page faults 0 swaps 19463 block input operations 136 block output operations 0 messages sent 0 messages received 0 signals received 19617 voluntary context switches 7 involuntary context switches 12.16 real 0.36 user 1.85 sys 5884 maximum resident set size 7 average shared memory size 3 average unshared data size 125 average unshared stack size 1046 page reclaims 0 page faults 0 swaps 18942 block input operations 136 block output operations 0 messages sent 0 messages received 0 signals received 19096 voluntary context switches 8 involuntary context switches FreeBSD 13.0-RC1 16.71 real 0.63 user 3.02 sys 5580 maximum resident set size 7 average shared memory size 3 average unshared data size 124 average unshared stack size 956 page reclaims 0 page faults 0 swaps 24420 block input operations 136 block output operations 0 messages sent 0 messages received 0 signals received 24596 voluntary context switches 8 involuntary context switche 14.53 real 0.48 user 2.98 sys 5572 maximum resident set size 7 average shared memory size 3 average unshared data size 123 average unshared stack size 954 page reclaims 0 page faults 0 swaps 19426 block input operations 136 block output operations 0 messages sent 0 messages received 0 signals received 19599 voluntary context switches 13 involuntary context switches 13.97 real 0.70 user 2.85 sys 5580 maximum resident set size 8 average shared memory size 4 average unshared data size 130 average unshared stack size 956 page reclaims 0 page faults 0 swaps 18310 block input operations 136 block output operations 0 messages sent 0 messages received 0 signals received 18477 voluntary context switches 25 involuntary context switches = --------------------------------------------------------------------------= --------------------------------------------------------------------------= ------ Command: /usr/bin/time -l tar xf src.tar (these tests done with 2 = different idle servers but with same 4TB HDDs models) FreeBSD 12.2p4 37.35 real 1.03 user 3.34 sys 8644 maximum resident set size 36 average shared memory size 4 average unshared data size 129 average unshared stack size 773 page reclaims 16 page faults 0 swaps 60 block input operations 4042 block output operations 0 messages sent 0 messages received 0 signals received 874 voluntary context switches 18 involuntary context switches FreeBSD 13.0-RC1 44.97 real 1.15 user 3.34 sys 8840 maximum resident set size 35 average shared memory size 3 average unshared data size 127 average unshared stack size 768 page reclaims 0 page faults 0 swaps 2 block input operations 422 block output operations 0 messages sent 0 messages received 0 signals received 304 voluntary context switches 43 involuntary context switches = --------------------------------------------------------------------------= --------------------------------------------------------------------------= ------ Command: /usr/bin/time -l tar xf ports.tar (these tests done with 2 = different idle servers but with same 4TB HDDs models) FreeBSD 12.2p4 50.80 real 1.55 user 4.62 sys 15512 maximum resident set size 36 average shared memory size 4 average unshared data size 128 average unshared stack size 2476 page reclaims 0 page faults 0 swaps 120 block input operations 2776 block output operations 0 messages sent 0 messages received 0 signals received 557 voluntary context switches 108 involuntary context switches FreeBSD 13.0-RC1 59.93 real 1.69 user 4.73 sys 15680 maximum resident set size 35 average shared memory size 3 average unshared data size 127 average unshared stack size 2475 page reclaims 0 page faults 0 swaps 28 block input operations 231 block output operations 0 messages sent 0 messages received 0 signals received 2179 voluntary context switches 54 involuntary context switches = --------------------------------------------------------------------------= --------------------------------------------------------------------------= ------ Command: /usr/bin/time -l portsnap extract (these tests done with 2 = different idle servers but with same 4TB HDDs models) FreeBSD 12.2p4 99.45 real 34.90 user 59.63 sys 49280 maximum resident set size 21 average shared memory size 3 average unshared data size 87 average unshared stack size 11822292 page reclaims 0 page faults 0 swaps 1031 block input operations 1774 block output operations 0 messages sent 0 messages received 0 signals received 355648 voluntary context switches 568 involuntary context switches 100.00 real 34.91 user 59.97 sys 49280 maximum resident set size 20 average shared memory size 3 average unshared data size 87 average unshared stack size 11822292 page reclaims 0 page faults 0 swaps 133 block input operations 2674 block output operations 0 messages sent 0 messages received 0 signals received 354821 voluntary context switches 259 involuntary context switches 82.95 real 35.98 user 60.68 sys 49280 maximum resident set size 20 average shared memory size 2 average unshared data size 86 average unshared stack size 11822292 page reclaims 0 page faults 0 swaps 6 block input operations 1773 block output operations 0 messages sent 0 messages received 0 signals received 354474 voluntary context switches 387 involuntary context switches FreeBSD 13.0-RC1 217.43 real 75.67 user 110.97 sys 49176 maximum resident set size 22 average shared memory size 3 average unshared data size 90 average unshared stack size 12289905 page reclaims 5 page faults 0 swaps 29660 block input operations 508 block output operations 4413 messages sent 2536723 messages received 0 signals received 384200 voluntary context switches 549 involuntary context switches 125.50 real 63.00 user 96.47 sys 49176 maximum resident set size 21 average shared memory size 3 average unshared data size 89 average unshared stack size 12289905 page reclaims 0 page faults 0 swaps 118 block input operations 171 block output operations 4413 messages sent 2536723 messages received 0 signals received 354513 voluntary context switches 444 involuntary context switches 118.93 real 62.91 user 96.28 sys 49176 maximum resident set size 21 average shared memory size 3 average unshared data size 89 average unshared stack size 12289905 page reclaims 0 page faults 0 swaps 0 block input operations 171 block output operations 4413 messages sent 2536723 messages received 0 signals received 354404 voluntary context switches 409 involuntary context switches=
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