Am Mittwoch, 16. Juli 2003 12:57 schrieb Oleg Drokin: > Hello! > > On Wed, Jul 16, 2003 at 12:47:53PM +0200, Dieter N?tzel wrote: > > > > Somewhat. > > > > Mouse movement is OK, now. But... > > > > 1+0 Records aus > > > > 0.000u 3.090s 0:16.81 18.3% 0+0k 0+0io 153pf+0w > > > > 0.000u 0.050s 0:00.27 18.5% 0+0k 0+0io 122pf+0w > > > > INSTALL/SOURCE> time dd if=/dev/zero of=sparse1 bs=1 seek=200G > > > > count=1 ; time sync > > > > 1+0 Records ein > > > > 1+0 Records aus > > > > 0.000u 3.010s 0:15.27 19.7% 0+0k 0+0io 153pf+0w > > > > 0.000u 0.020s 0:01.01 1.9% 0+0k 0+0io 122pf+0w > > > > > > So you create a file in 15 seconds > > > > Right. > > > > > and remove it in 15 seconds. > > > > No. "Normaly" ~5 seconds. > > Ah, yes. Looking at wrong timeing info ;) > I see that yesterday without the patch you had 1m, 9s, 5s, 2m times > for 4 deletes... > > > > Kind of nothing changed except mouse now moves, > > > > > > > INSTALL/SOURCE> time rm sparse ; time sync > > > > 0.000u 14.990s 1:31.15 16.4% 0+0k 0+0io 130pf+0w > > > > 0.000u 0.030s 0:00.22 13.6% 0+0k 0+0io 122pf+0w > > > > > > So the stuff fell out of cache and we need to read it again. > > > > Shouldn't this take only 15 seconds, then? > > Probably there was some seeking due to removal of lots of blocks. > > > Worst case was ~5 minutes. > > Yeah, this is of course sad. > BTW is this with search_reada patch?
Yes. > What if you try without it? Do _NOT_ really help. INSTALL/SOURCE> l insgesamt 1032 drwxrwxr-x 2 root root 176 Jul 17 20:05 . drwxr-xr-x 3 root root 72 Jul 3 01:39 .. -rw-r--r-- 1 nuetzel users 452390 Jul 15 00:29 kmplayer-0.7.96.tar.bz2 -rw-r--r-- 1 nuetzel users 403358 Jul 14 21:46 modutils-2.4.21-18.src.rpm -rw-r--r-- 1 nuetzel users 194505 Jul 14 22:01 procps-2.0.13-1.src.rpm INSTALL/SOURCE> time dd if=/dev/zero of=sparse bs=1 seek=200G count=1 ; time sync 1+0 Records ein 1+0 Records aus 0.000u 2.770s 0:15.88 17.4% 0+0k 0+0io 153pf+0w 0.000u 0.000s 0:00.79 0.0% 0+0k 0+0io 122pf+0w INSTALL/SOURCE> time dd if=/dev/zero of=sparse1 bs=1 seek=200G count=1 ; time sync 1+0 Records ein 1+0 Records aus 0.010u 2.440s 0:15.03 16.3% 0+0k 0+0io 153pf+0w 0.010u 0.020s 0:01.08 2.7% 0+0k 0+0io 122pf+0w INSTALL/SOURCE> time dd if=/dev/zero of=sparse2 bs=1 seek=200G count=1 ; time sync 1+0 Records ein 1+0 Records aus 0.010u 2.710s 0:14.94 18.2% 0+0k 0+0io 153pf+0w 0.000u 0.000s 0:01.76 0.0% 0+0k 0+0io 122pf+0w INSTALL/SOURCE> l insgesamt 615444 drwxrwxr-x 2 root root 248 Jul 17 20:06 . drwxr-xr-x 3 root root 72 Jul 3 01:39 .. -rw-r--r-- 1 nuetzel users 452390 Jul 15 00:29 kmplayer-0.7.96.tar.bz2 -rw-r--r-- 1 nuetzel users 403358 Jul 14 21:46 modutils-2.4.21-18.src.rpm -rw-r--r-- 1 nuetzel users 194505 Jul 14 22:01 procps-2.0.13-1.src.rpm -rw-r--r-- 1 nuetzel users 214748364801 Jul 17 20:06 sparse -rw-r--r-- 1 nuetzel users 214748364801 Jul 17 20:06 sparse1 -rw-r--r-- 1 nuetzel users 214748364801 Jul 17 20:07 sparse2 INSTALL/SOURCE> time sync 0.000u 0.000s 0:00.02 0.0% 0+0k 0+0io 122pf+0w INSTALL/SOURCE> time rm sparse2 ; time sync 0.000u 4.860s 0:04.82 100.8% 0+0k 0+0io 130pf+0w 0.010u 0.000s 0:00.03 33.3% 0+0k 0+0io 122pf+0w INSTALL/SOURCE> time rm sparse1 ; time sync 0.000u 4.910s 0:04.82 101.8% 0+0k 0+0io 130pf+0w 0.000u 0.020s 0:00.03 66.6% 0+0k 0+0io 122pf+0w !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! INSTALL/SOURCE> time rm sparse ; time sync 0.010u 6.500s 0:48.47 13.4% 0+0k 0+0io 130pf+0w 0.000u 0.000s 0:00.02 0.0% 0+0k 0+0io 122pf+0w !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! INSTALL/SOURCE> l insgesamt 1032 drwxrwxr-x 2 root root 176 Jul 17 20:08 . drwxr-xr-x 3 root root 72 Jul 3 01:39 .. -rw-r--r-- 1 nuetzel users 452390 Jul 15 00:29 kmplayer-0.7.96.tar.bz2 -rw-r--r-- 1 nuetzel users 403358 Jul 14 21:46 modutils-2.4.21-18.src.rpm -rw-r--r-- 1 nuetzel users 194505 Jul 14 22:01 procps-2.0.13-1.src.rpm Overwrite: INSTALL/SOURCE> time sync 0.000u 0.000s 0:00.02 0.0% 0+0k 0+0io 122pf+0w INSTALL/SOURCE> time dd if=/dev/zero of=sparse bs=1 seek=200G count=1 ; time sync 1+0 Records ein 1+0 Records aus 0.010u 2.890s 0:16.17 17.9% 0+0k 0+0io 153pf+0w 0.000u 0.020s 0:01.27 1.5% 0+0k 0+0io 122pf+0w INSTALL/SOURCE> l insgesamt 205836 drwxrwxr-x 2 root root 200 Jul 17 20:09 . drwxr-xr-x 3 root root 72 Jul 3 01:39 .. -rw-r--r-- 1 nuetzel users 452390 Jul 15 00:29 kmplayer-0.7.96.tar.bz2 -rw-r--r-- 1 nuetzel users 403358 Jul 14 21:46 modutils-2.4.21-18.src.rpm -rw-r--r-- 1 nuetzel users 194505 Jul 14 22:01 procps-2.0.13-1.src.rpm -rw-r--r-- 1 nuetzel users 214748364801 Jul 17 20:09 sparse INSTALL/SOURCE> time sync 0.000u 0.010s 0:00.09 11.1% 0+0k 0+0io 122pf+0w INSTALL/SOURCE> time dd if=/dev/zero of=sparse bs=1 seek=200G count=1 ; time sync 1+0 Records ein 1+0 Records aus 0.010u 0.000s 0:00.00 0.0% 0+0k 0+0io 153pf+0w 0.000u 0.010s 0:00.07 14.2% 0+0k 0+0io 122pf+0w -Dieter
