> 在 2016年3月23日，21:20，Roger Pau Monné <roy...@freebsd.org> 写道： > >> On Fri, 18 Mar 2016, Julian Elischer wrote: >>> On 18/03/2016 3:00 PM, huanghwh wrote: >>> BTW, with 1G ram configuration, vi can exit very quickly. >>> At 2016-03-18 14:26:14, "huanghwh" <huang...@163.com> wrote: >>>> I have a EC2 server in AWS, 4CPU+16G ram, FreeBSD 10.2R. >>>> >>>> Use two command dd and vi: >>>> dd if=/dev/zero of=/.swap bs=1M count=8192 & >>>> >>>> 8589934592 bytes transferred in 117.074462 secs (73371549 bytes/sec) >>>> >>>> when dd run in background, input vi command to edit a small txt file >>>> "d.txt" at same time, >>>> >>>> and then write and quit immediately: >>>> >>>> >>>> /usr/bin/time vi d.txt >>>> >>>> >>>> 49.82 real 0.00 user 0.00 sys >>>> >>>> in top command show: >>>> 810 root 1 23 0 12344K 2524K wswbuf 0 0:04 5.76% dd >>>> 821 root 1 20 0 23448K 4092K wdrain 0 0:00 0.00% vi >>>> >>>> vi need almost 50 seconds to quit. >> I think some people are already looking at this.. it's not limited to AWS. > > Is there a PR or Review about this? I don't have a 16GB system at hand, > but it looks quite weird that it works "better" with 1GB rather than with > 16GB.
If you like, I can give you a server to try, the server is at ALiYun, not AWS, but same problem. > > Are you using ZFS or UFS as your filesystem? I am use UFS and ZFS > > Roger. _______________________________________________ freebsd-virtualization@freebsd.org mailing list https://lists.freebsd.org/mailman/listinfo/freebsd-virtualization To unsubscribe, send any mail to "freebsd-virtualization-unsubscr...@freebsd.org"
