On Mon, Feb 18, 2019 at 8:34 PM Graham Perrin <grahamper...@gmail.com> wrote: > > Preparing to update the OS, I created a new boot environment. Creation > took a long time, subsequent bectl commands are extraordinarily slow. > > Whilst composing this e-mail I'm awaiting completion of a simple list. > > Any ideas? > > zpool status shows no problem. Last scrubbed 27th December, I'll begin a > scrub after the current 'bectl list' command completes … > > ---- > > grahamperrin@momh167-gjp4-8570p:~ % su - > Password: > root@momh167-gjp4-8570p:~ # svn up /usr/src > Updating '/usr/src': > U /usr/src/lib/libmemstat/memstat_uma.c > U /usr/src/lib/clang/libllvmminimal/Makefile > U /usr/src/stand/common/part.c > U /usr/src/stand/common/disk.c > U /usr/src/stand/uboot/common/main.c > U /usr/src/stand/uboot/lib/libuboot.h > U /usr/src/stand/libsa/cd9660.c > U /usr/src/stand/libsa/zfs/zfs.c > U /usr/src/stand/lua/password.lua > U /usr/src/stand/powerpc/uboot/Makefile > U /usr/src/sys/arm/freescale/imx/imx6_snvs.c > U /usr/src/sys/amd64/amd64/pmap.c > U /usr/src/sys/amd64/sgx/sgx_linux.c > U /usr/src/sys/dev/netmap/netmap_freebsd.c > U /usr/src/sys/dev/netmap/netmap_kern.h > U /usr/src/sys/conf/ldscript.riscv > U /usr/src/sys/contrib/libnv/nvpair.c > U /usr/src/sys/kern/sys_pipe.c > U /usr/src/contrib/libc++/include/type_traits > U /usr/src/usr.bin/kdump/kdump.c > U /usr/src/usr.sbin/bsnmpd/modules/snmp_hostres/hostres_partition_tbl.c > U /usr/src/usr.sbin/rpc.ypupdated/update.c > U /usr/src/usr.sbin/bsdinstall/partedit/partedit_powerpc.c > U /usr/src/etc/mtree/BSD.root.dist > Updated to revision 344269. > root@momh167-gjp4-8570p:~ # svn up /usr/src > Updating '/usr/src': > At revision 344269. > root@momh167-gjp4-8570p:~ # bectl create r344269 > load: 0.64 cmd: bectl 33517 [fu_ans] 29.69r 0.00u 0.01s 0% 4460k > load: 0.49 cmd: bectl 33517 [fu_ans] 53.59r 0.00u 0.01s 0% 4460k > root@momh167-gjp4-8570p:~ # date ; uptime ; uname -v > Tue Feb 19 01:46:46 GMT 2019 > 1:46AM up 1:11, 4 users, load averages: 0.42, 0.57, 0.79 > FreeBSD 13.0-CURRENT r344013 GENERIC-NODEBUG > root@momh167-gjp4-8570p:~ # time bectl list | sort > load: 0.10 cmd: sort 33904 [piperd] 1145.34r 0.00u 0.00s 0% 2612k > ^C^C > load: 0.18 cmd: bectl 33903 [fu_ans] 1175.24r 0.01u 0.03s 0% 4740k > ^Croot@momh167-gjp4-8570p:~ # date > Tue Feb 19 02:07:07 GMT 2019 > root@momh167-gjp4-8570p:~ # time bectl list > BE Active Mountpoint Space Created > r344013 NR / 22.6G 2019-02-11 16:17 > r344231 - - 3.81G 2019-02-17 16:38 > r343747 - - 6.57G 2019-02-04 18:04 > r343883 - - 6.90G 2019-02-07 23:11 > r342466 - - 521M 2019-01-07 07:53 > r344269 - - 392K 2019-02-19 01:42 > 20190131-0125 - - 487M 2019-01-31 01:25 > default - - 2.16M 2018-12-22 05:01 >
I'd be interested in seeing what happens when you apply this diff: https://people.freebsd.org/~kevans/bectl-perf.diff _______________________________________________ freebsd-current@freebsd.org mailing list https://lists.freebsd.org/mailman/listinfo/freebsd-current To unsubscribe, send any mail to "freebsd-current-unsubscr...@freebsd.org"
