[replying from webmail and CC my gmail account] >> https://bugzilla.kernel.org/show_bug.cgi?id=12309 > We've had some recent updates to the world's largest bug report. > Apparently our large-writer-paralyses-the-machine problems have > worsened in recent kernels. Yeah I can reproduce the interactive problem on 3.3-rc1, and the main stalls seem to happen when loading the task and allocating memory. My test case is to start a small 1MB dd when there are 10 long running dd tasks each writing to one JBOD disk. [long running dd tasks] root 5232 28.6 0.0 8316 632 ? D 21:19 0:36 dd bs=4k if=/dev/zero of=/fs/sdc1/zero-1 root 5235 27.4 0.0 8316 632 ? D 21:19 0:34 dd bs=4k if=/dev/zero of=/fs/sdd1/zero-1 root 5238 30.5 0.0 8316 632 ? R 21:19 0:38 dd bs=4k if=/dev/zero of=/fs/sde1/zero-1 root 5241 29.7 0.0 8316 628 ? R 21:19 0:37 dd bs=4k if=/dev/zero of=/fs/sdf1/zero-1 root 5244 25.8 0.0 8316 628 ? D 21:19 0:32 dd bs=4k if=/dev/zero of=/fs/sdg1/zero-1 root 5247 23.4 0.0 8316 632 ? D 21:19 0:29 dd bs=4k if=/dev/zero of=/fs/sdh1/zero-1 root 5250 23.4 0.0 8316 632 ? R 21:19 0:29 dd bs=4k if=/dev/zero of=/fs/sdi1/zero-1 root 5253 23.7 0.0 8316 632 ? D 21:19 0:30 dd bs=4k if=/dev/zero of=/fs/sdj1/zero-1 root 5256 22.3 0.0 8316 632 ? D 21:19 0:28 dd bs=4k if=/dev/zero of=/fs/sdk1/zero-1 root 5259 23.7 0.0 8316 628 ? D 21:19 0:30 dd bs=4k if=/dev/zero of=/fs/sdl1/zero-1 [short 1MB dd command which is repeated for many times] wfg@lkp-nex04 /fs/sdj1% sudo dd if=/dev/zero of=zero2 bs=1M count=1 The long running dd is progressing at 60-70MB/s, however the small 1MB dd is rather slow in all but one invocations: 1048576 bytes (1.0 MB) copied, 0.2296 s, 4.6 MB/s 1048576 bytes (1.0 MB) copied, 0.366903 s, 2.9 MB/s 1048576 bytes (1.0 MB) copied, 0.47013 s, 2.2 MB/s 1048576 bytes (1.0 MB) copied, 0.257523 s, 4.1 MB/s 1048576 bytes (1.0 MB) copied, 0.36692 s, 2.9 MB/s 1048576 bytes (1.0 MB) copied, 0.473319 s, 2.2 MB/s 1048576 bytes (1.0 MB) copied, 0.50198 s, 2.1 MB/s 1048576 bytes (1.0 MB) copied, 0.018758 s, 55.9 MB/s 1048576 bytes (1.0 MB) copied, 0.341166 s, 3.1 MB/s 1048576 bytes (1.0 MB) copied, 0.348311 s, 3.0 MB/s 1048576 bytes (1.0 MB) copied, 0.418185 s, 2.5 MB/s 1048576 bytes (1.0 MB) copied, 0.444071 s, 2.4 MB/s And the 10MB dd can achieve much better throughput: wfg@lkp-nex04 /fs/sdj1% sudo dd if=/dev/zero of=zero2 bs=1M count=10 10485760 bytes (10 MB) copied, 0.417411 s, 25.1 MB/s 10485760 bytes (10 MB) copied, 0.468597 s, 22.4 MB/s Below is the balance_dirty_pages trace events for the small 1MB/10MB dd tasks (dd-5253 is the long running dd task on bdi 8:144). dd-5563 [025] .... 165.504338: balance_dirty_pages: bdi 8:144: limit=1048576 setpoint=917504 dirty=950856 bdi_setpoint=83005 bdi_dirty=81032 dirty_ratelimit=63408 task_ratelimit=63592 dirtied=32 dirtied_pause=32 paused=0 pause=0 period=2 think=0 dd-5563 [025] .... 165.504703: balance_dirty_pages: bdi 8:144: limit=1048576 setpoint=917504 dirty=950942 bdi_setpoint=83005 bdi_dirty=81088 dirty_ratelimit=63408 task_ratelimit=63528 dirtied=32 dirtied_pause=32 paused=0 pause=-4294824915 period=2 think=4294824917 dd-5563 [025] .... 165.505039: balance_dirty_pages: bdi 8:144: limit=1048576 setpoint=917504 dirty=951051 bdi_setpoint=83005 bdi_dirty=81088 dirty_ratelimit=63408 task_ratelimit=63468 dirtied=32 dirtied_pause=32 paused=0 pause=0 period=2 think=0 dd-5563 [025] .... 165.505469: balance_dirty_pages: bdi 8:144: limit=1048576 setpoint=917504 dirty=950754 bdi_setpoint=82981 bdi_dirty=81200 dirty_ratelimit=63408 task_ratelimit=63468 dirtied=32 dirtied_pause=32 paused=0 pause=0 period=2 think=-2 dd-5563 [025] .... 165.505971: balance_dirty_pages: bdi 8:144: limit=1048576 setpoint=917504 dirty=950845 bdi_setpoint=82973 bdi_dirty=81200 dirty_ratelimit=63408 task_ratelimit=63468 dirtied=32 dirtied_pause=32 paused=0 pause=0 period=2 think=-3 dd-5563 [025] .... 165.506398: balance_dirty_pages: bdi 8:144: limit=1048576 setpoint=917504 dirty=950999 bdi_setpoint=82973 bdi_dirty=81312 dirty_ratelimit=63408 task_ratelimit=63408 dirtied=32 dirtied_pause=32 paused=0 pause=7 period=2 think=-5 The traces show that balance_dirty_pages is trying to throttle the short lived dd tasks at around task_ratelimit=63592 KB/s, which is the right thing to do. Judging from the timestamps and the pause=X fields, we can tell that - the short lived dd tasks spend very little time in balance_dirty_pages() For dd-5563, pause=0,-4294824915,0,0,0,7 which adds up to 7ms. - 99% block time should occur in loading the dd process and allocating the memory Because the dd-5563 balance_dirty_pages events start at 165.504338 and ends at 165.506398 which only takes 2ms in between. Thanks, Fengguang --- wfg@bee /export/writeback/lkp-nex04/JBOD-10HDD-thresh=4G/ext4-1dd-1-3.3.0-rc1% bzgrep 8:144: trace.bz2 |g -v dd-5253|g dd dd-5563 [025] .... 165.504338: balance_dirty_pages: bdi 8:144: limit=1048576 setpoint=917504 dirty=950856 bdi_setpoint=83005 bdi_dirty=81032 dirty_ratelimit=63408 task_ratelimit=63592 dirtied=32 dirtied_pause=32 paused=0 pause=0 period=2 think=0 dd-5563 [025] .... 165.504703: balance_dirty_pages: bdi 8:144: limit=1048576 setpoint=917504 dirty=950942 bdi_setpoint=83005 bdi_dirty=81088 dirty_ratelimit=63408 task_ratelimit=63528 dirtied=32 dirtied_pause=32 paused=0 pause=-4294824915 period=2 think=4294824917 dd-5563 [025] .... 165.505039: balance_dirty_pages: bdi 8:144: limit=1048576 setpoint=917504 dirty=951051 bdi_setpoint=83005 bdi_dirty=81088 dirty_ratelimit=63408 task_ratelimit=63468 dirtied=32 dirtied_pause=32 paused=0 pause=0 period=2 think=0 dd-5563 [025] .... 165.505469: balance_dirty_pages: bdi 8:144: limit=1048576 setpoint=917504 dirty=950754 bdi_setpoint=82981 bdi_dirty=81200 dirty_ratelimit=63408 task_ratelimit=63468 dirtied=32 dirtied_pause=32 paused=0 pause=0 period=2 think=-2 dd-5563 [025] .... 165.505971: balance_dirty_pages: bdi 8:144: limit=1048576 setpoint=917504 dirty=950845 bdi_setpoint=82973 bdi_dirty=81200 dirty_ratelimit=63408 task_ratelimit=63468 dirtied=32 dirtied_pause=32 paused=0 pause=0 period=2 think=-3 dd-5563 [025] .... 165.506398: balance_dirty_pages: bdi 8:144: limit=1048576 setpoint=917504 dirty=950999 bdi_setpoint=82973 bdi_dirty=81312 dirty_ratelimit=63408 task_ratelimit=63408 dirtied=32 dirtied_pause=32 paused=0 pause=7 period=2 think=-5 dd-5572 [041] .... 167.463729: balance_dirty_pages: bdi 8:144: limit=1048576 setpoint=917504 dirty=950826 bdi_setpoint=82916 bdi_dirty=83720 dirty_ratelimit=63400 task_ratelimit=61788 dirtied=32 dirtied_pause=32 paused=0 pause=0 period=2 think=0 dd-5572 [041] .... 167.464038: balance_dirty_pages: bdi 8:144: limit=1048576 setpoint=917504 dirty=950760 bdi_setpoint=82910 bdi_dirty=83720 dirty_ratelimit=63400 task_ratelimit=61788 dirtied=32 dirtied_pause=32 paused=0 pause=-4294826878 period=2 think=4294826880 dd-5572 [041] .... 167.464323: balance_dirty_pages: bdi 8:144: limit=1048576 setpoint=917504 dirty=950737 bdi_setpoint=82910 bdi_dirty=83720 dirty_ratelimit=63400 task_ratelimit=61788 dirtied=32 dirtied_pause=32 paused=0 pause=0 period=2 think=0 dd-5572 [041] .... 167.464645: balance_dirty_pages: bdi 8:144: limit=1048576 setpoint=917504 dirty=950667 bdi_setpoint=82898 bdi_dirty=83776 dirty_ratelimit=63400 task_ratelimit=61728 dirtied=32 dirtied_pause=32 paused=0 pause=0 period=2 think=-2 dd-5572 [041] .... 167.464964: balance_dirty_pages: bdi 8:144: limit=1048576 setpoint=917504 dirty=950804 bdi_setpoint=82898 bdi_dirty=83832 dirty_ratelimit=63400 task_ratelimit=61728 dirtied=32 dirtied_pause=32 paused=0 pause=0 period=2 think=-3 dd-5572 [041] .... 167.465286: balance_dirty_pages: bdi 8:144: limit=1048576 setpoint=917504 dirty=950903 bdi_setpoint=82891 bdi_dirty=83832 dirty_ratelimit=63400 task_ratelimit=61728 dirtied=32 dirtied_pause=32 paused=0 pause=7 period=2 think=-5 dd-5581 [051] .... 169.594955: balance_dirty_pages: bdi 8:144: limit=1048576 setpoint=917504 dirty=955229 bdi_setpoint=83567 bdi_dirty=84000 dirty_ratelimit=63400 task_ratelimit=61540 dirtied=32 dirtied_pause=32 paused=0 pause=0 period=2 think=0 dd-5581 [051] .... 169.595226: balance_dirty_pages: bdi 8:144: limit=1048576 setpoint=917504 dirty=955141 bdi_setpoint=83563 bdi_dirty=84000 dirty_ratelimit=63400 task_ratelimit=61540 dirtied=32 dirtied_pause=32 paused=0 pause=-4294829013 period=2 think=4294829015 dd-5581 [051] .... 169.595486: balance_dirty_pages: bdi 8:144: limit=1048576 setpoint=917504 dirty=955174 bdi_setpoint=83563 bdi_dirty=84056 dirty_ratelimit=63400 task_ratelimit=61480 dirtied=32 dirtied_pause=32 paused=0 pause=0 period=2 think=0 dd-5581 [051] .... 169.595752: balance_dirty_pages: bdi 8:144: limit=1048576 setpoint=917504 dirty=955196 bdi_setpoint=83563 bdi_dirty=84112 dirty_ratelimit=63400 task_ratelimit=61480 dirtied=32 dirtied_pause=32 paused=0 pause=0 period=2 think=-2 dd-5581 [051] .... 169.596042: balance_dirty_pages: bdi 8:144: limit=1048576 setpoint=917504 dirty=955262 bdi_setpoint=83563 bdi_dirty=84112 dirty_ratelimit=63400 task_ratelimit=61480 dirtied=32 dirtied_pause=32 paused=0 pause=0 period=2 think=-3 dd-5581 [051] .... 169.596334: balance_dirty_pages: bdi 8:144: limit=1048576 setpoint=917504 dirty=955196 bdi_setpoint=83558 bdi_dirty=84168 dirty_ratelimit=63400 task_ratelimit=61416 dirtied=32 dirtied_pause=32 paused=0 pause=7 period=2 think=-5 dd-5592 [049] .... 171.845210: bdi_dirty_ratelimit: bdi 8:144: write_bw=64504 awrite_bw=63908 dirty_rate=22072 dirty_ratelimit=63400 task_ratelimit=63960 balanced_dirty_ratelimit=63908 dd-5592 [049] .... 171.845211: balance_dirty_pages: bdi 8:144: limit=1048576 setpoint=917504 dirty=953514 bdi_setpoint=84104 bdi_dirty=81032 dirty_ratelimit=63400 task_ratelimit=63956 dirtied=32 dirtied_pause=32 paused=0 pause=0 period=2 think=0 dd-5592 [049] .... 171.845603: balance_dirty_pages: bdi 8:144: limit=1048576 setpoint=917504 dirty=953504 bdi_setpoint=84096 bdi_dirty=81088 dirty_ratelimit=63400 task_ratelimit=63892 dirtied=32 dirtied_pause=32 paused=0 pause=-4294831268 period=2 think=4294831270 dd-5592 [049] .... 171.846095: balance_dirty_pages: bdi 8:144: limit=1048576 setpoint=917504 dirty=953608 bdi_setpoint=84096 bdi_dirty=81144 dirty_ratelimit=63400 task_ratelimit=63832 dirtied=32 dirtied_pause=32 paused=0 pause=0 period=2 think=0 dd-5592 [049] .... 171.846484: balance_dirty_pages: bdi 8:144: limit=1048576 setpoint=917504 dirty=953723 bdi_setpoint=84096 bdi_dirty=81256 dirty_ratelimit=63400 task_ratelimit=63768 dirtied=32 dirtied_pause=32 paused=0 pause=0 period=2 think=-1 dd-5592 [049] .... 171.846899: balance_dirty_pages: bdi 8:144: limit=1048576 setpoint=917504 dirty=953871 bdi_setpoint=84096 bdi_dirty=81312 dirty_ratelimit=63400 task_ratelimit=63768 dirtied=32 dirtied_pause=32 paused=0 pause=0 period=2 think=-3 dd-5592 [049] .... 171.847315: balance_dirty_pages: bdi 8:144: limit=1048576 setpoint=917504 dirty=953890 bdi_setpoint=84088 bdi_dirty=81368 dirty_ratelimit=63400 task_ratelimit=63708 dirtied=32 dirtied_pause=32 paused=0 pause=6 period=2 think=-4 dd-5601 [049] .... 173.794360: balance_dirty_pages: bdi 8:144: limit=1048576 setpoint=917504 dirty=955596 bdi_setpoint=84205 bdi_dirty=84504 dirty_ratelimit=63400 task_ratelimit=61604 dirtied=32 dirtied_pause=32 paused=0 pause=0 period=2 think=0 dd-5601 [049] .... 173.794888: balance_dirty_pages: bdi 8:144: limit=1048576 setpoint=917504 dirty=955651 bdi_setpoint=84205 bdi_dirty=84560 dirty_ratelimit=63400 task_ratelimit=61540 dirtied=32 dirtied_pause=32 paused=0 pause=-4294833221 period=2 think=4294833223 dd-5601 [049] .... 173.795259: balance_dirty_pages: bdi 8:144: limit=1048576 setpoint=917504 dirty=955410 bdi_setpoint=84187 bdi_dirty=84560 dirty_ratelimit=63400 task_ratelimit=61604 dirtied=32 dirtied_pause=32 paused=0 pause=0 period=2 think=1 dd-5601 [049] .... 173.795634: balance_dirty_pages: bdi 8:144: limit=1048576 setpoint=917504 dirty=955375 bdi_setpoint=84187 bdi_dirty=84616 dirty_ratelimit=63400 task_ratelimit=61540 dirtied=32 dirtied_pause=32 paused=0 pause=0 period=2 think=-1 dd-5601 [049] .... 173.796186: balance_dirty_pages: bdi 8:144: limit=1048576 setpoint=917504 dirty=955480 bdi_setpoint=84187 bdi_dirty=84616 dirty_ratelimit=63400 task_ratelimit=61540 dirtied=32 dirtied_pause=32 paused=1 pause=0 period=2 think=-2 dd-5601 [049] .... 173.796807: balance_dirty_pages: bdi 8:144: limit=1048576 setpoint=917504 dirty=955461 bdi_setpoint=84248 bdi_dirty=84560 dirty_ratelimit=63400 task_ratelimit=61604 dirtied=32 dirtied_pause=32 paused=0 pause=6 period=2 think=-4 dd-5610 [041] .... 176.710294: balance_dirty_pages: bdi 8:144: limit=1048576 setpoint=917504 dirty=958022 bdi_setpoint=82789 bdi_dirty=85736 dirty_ratelimit=63400 task_ratelimit=59620 dirtied=32 dirtied_pause=32 paused=0 pause=0 period=2 think=0 dd-5610 [041] .... 176.710729: balance_dirty_pages: bdi 8:144: limit=1048576 setpoint=917504 dirty=957956 bdi_setpoint=82781 bdi_dirty=85736 dirty_ratelimit=63400 task_ratelimit=59620 dirtied=32 dirtied_pause=32 paused=0 pause=-4294836143 period=2 think=4294836145 dd-5610 [041] .... 176.711224: balance_dirty_pages: bdi 8:144: limit=1048576 setpoint=917504 dirty=958077 bdi_setpoint=82781 bdi_dirty=85848 dirty_ratelimit=63400 task_ratelimit=59560 dirtied=32 dirtied_pause=32 paused=0 pause=0 period=2 think=0 dd-5610 [041] .... 176.711747: balance_dirty_pages: bdi 8:144: limit=1048576 setpoint=917504 dirty=958187 bdi_setpoint=82772 bdi_dirty=85904 dirty_ratelimit=63400 task_ratelimit=59496 dirtied=32 dirtied_pause=32 paused=0 pause=0 period=2 think=-1 dd-5610 [041] .... 176.712235: balance_dirty_pages: bdi 8:144: limit=1048576 setpoint=917504 dirty=958152 bdi_setpoint=82762 bdi_dirty=85960 dirty_ratelimit=63400 task_ratelimit=59436 dirtied=32 dirtied_pause=32 paused=0 pause=0 period=2 think=-3 dd-5610 [041] .... 176.712732: balance_dirty_pages: bdi 8:144: limit=1048576 setpoint=917504 dirty=958343 bdi_setpoint=82762 bdi_dirty=86072 dirty_ratelimit=63400 task_ratelimit=59372 dirtied=32 dirtied_pause=32 paused=0 pause=6 period=2 think=-4 dd-5641 [049] .... 190.728161: balance_dirty_pages: bdi 8:144: limit=1048576 setpoint=917504 dirty=955683 bdi_setpoint=80839 bdi_dirty=86408 dirty_ratelimit=63168 task_ratelimit=57924 dirtied=32 dirtied_pause=32 paused=0 pause=0 period=2 think=0 dd-5641 [049] .... 190.728460: balance_dirty_pages: bdi 8:144: limit=1048576 setpoint=917504 dirty=955767 bdi_setpoint=80839 bdi_dirty=86408 dirty_ratelimit=63168 task_ratelimit=57924 dirtied=32 dirtied_pause=32 paused=0 pause=-4294850188 period=2 think=4294850190 dd-5641 [049] .... 190.728773: balance_dirty_pages: bdi 8:144: limit=1048576 setpoint=917504 dirty=955894 bdi_setpoint=80839 bdi_dirty=86408 dirty_ratelimit=63168 task_ratelimit=57924 dirtied=32 dirtied_pause=32 paused=0 pause=0 period=2 think=0 dd-5641 [049] .... 190.729086: balance_dirty_pages: bdi 8:144: limit=1048576 setpoint=917504 dirty=955889 bdi_setpoint=80833 bdi_dirty=86464 dirty_ratelimit=63168 task_ratelimit=57860 dirtied=32 dirtied_pause=32 paused=0 pause=0 period=2 think=-1 dd-5641 [049] .... 190.729380: balance_dirty_pages: bdi 8:144: limit=1048576 setpoint=917504 dirty=955997 bdi_setpoint=80833 bdi_dirty=86464 dirty_ratelimit=63168 task_ratelimit=57860 dirtied=32 dirtied_pause=32 paused=0 pause=0 period=2 think=-3 dd-5641 [049] .... 190.729687: balance_dirty_pages: bdi 8:144: limit=1048576 setpoint=917504 dirty=956072 bdi_setpoint=80833 bdi_dirty=86520 dirty_ratelimit=63168 task_ratelimit=57860 dirtied=32 dirtied_pause=32 paused=0 pause=6 period=2 think=-4 dd-5668 [057] .... 206.594016: balance_dirty_pages: bdi 8:144: limit=1048576 setpoint=917504 dirty=957370 bdi_setpoint=84074 bdi_dirty=83944 dirty_ratelimit=63072 task_ratelimit=61344 dirtied=1 dirtied_pause=32 paused=0 pause=0 period=0 think=0 dd-5668 [057] .... 206.594029: balance_dirty_pages: bdi 8:144: limit=1048576 setpoint=917504 dirty=957379 bdi_setpoint=84074 bdi_dirty=83944 dirty_ratelimit=63072 task_ratelimit=61344 dirtied=32 dirtied_pause=32 paused=0 pause=0 period=2 think=0 dd-5668 [057] .... 206.594041: balance_dirty_pages: bdi 8:144: limit=1048576 setpoint=917504 dirty=957379 bdi_setpoint=84074 bdi_dirty=83944 dirty_ratelimit=63072 task_ratelimit=61344 dirtied=32 dirtied_pause=32 paused=0 pause=-4294866085 period=2 think=4294866087 dd-5668 [057] .... 206.594051: balance_dirty_pages: bdi 8:144: limit=1048576 setpoint=917504 dirty=957379 bdi_setpoint=84074 bdi_dirty=83944 dirty_ratelimit=63072 task_ratelimit=61344 dirtied=32 dirtied_pause=32 paused=0 pause=0 period=2 think=0 dd-5668 [057] .... 206.594315: balance_dirty_pages: bdi 8:144: limit=1048576 setpoint=917504 dirty=957456 bdi_setpoint=84074 bdi_dirty=83944 dirty_ratelimit=63072 task_ratelimit=61344 dirtied=32 dirtied_pause=32 paused=0 pause=0 period=2 think=-1 dd-5668 [057] .... 206.594651: balance_dirty_pages: bdi 8:144: limit=1048576 setpoint=917504 dirty=957475 bdi_setpoint=84166 bdi_dirty=83832 dirty_ratelimit=63072 task_ratelimit=61468 dirtied=32 dirtied_pause=32 paused=0 pause=0 period=2 think=-3 dd-5668 [057] .... 206.595011: balance_dirty_pages: bdi 8:144: limit=1048576 setpoint=917504 dirty=957579 bdi_setpoint=84166 bdi_dirty=83888 dirty_ratelimit=63072 task_ratelimit=61344 dirtied=32 dirtied_pause=32 paused=0 pause=7 period=2 think=-5 dd-5668 [057] .... 206.602945: balance_dirty_pages: bdi 8:144: limit=1048576 setpoint=917504 dirty=957726 bdi_setpoint=84063 bdi_dirty=84112 dirty_ratelimit=63072 task_ratelimit=61160 dirtied=153 dirtied_pause=153 paused=0 pause=9 period=10 think=1 dd-5677 [057] .... 212.243213: balance_dirty_pages: bdi 8:144: limit=1048576 setpoint=917504 dirty=941736 bdi_setpoint=84089 bdi_dirty=85232 dirty_ratelimit=63072 task_ratelimit=61900 dirtied=32 dirtied_pause=32 paused=0 pause=0 period=2 think=0 dd-5677 [057] .... 212.243532: balance_dirty_pages: bdi 8:144: limit=1048576 setpoint=917504 dirty=941813 bdi_setpoint=84089 bdi_dirty=85288 dirty_ratelimit=63072 task_ratelimit=61840 dirtied=32 dirtied_pause=32 paused=0 pause=-4294871746 period=2 think=4294871748 dd-5677 [057] .... 212.243853: balance_dirty_pages: bdi 8:144: limit=1048576 setpoint=917504 dirty=941615 bdi_setpoint=84069 bdi_dirty=85288 dirty_ratelimit=63072 task_ratelimit=61840 dirtied=32 dirtied_pause=32 paused=0 pause=0 period=2 think=0 dd-5677 [057] .... 212.244175: balance_dirty_pages: bdi 8:144: limit=1048576 setpoint=917504 dirty=941648 bdi_setpoint=84069 bdi_dirty=85344 dirty_ratelimit=63072 task_ratelimit=61776 dirtied=32 dirtied_pause=32 paused=0 pause=0 period=2 think=-1 dd-5677 [057] .... 212.244500: balance_dirty_pages: bdi 8:144: limit=1048576 setpoint=917504 dirty=941755 bdi_setpoint=84069 bdi_dirty=85344 dirty_ratelimit=63072 task_ratelimit=61776 dirtied=32 dirtied_pause=32 paused=0 pause=0 period=2 think=-3 dd-5677 [057] .... 212.244824: balance_dirty_pages: bdi 8:144: limit=1048576 setpoint=917504 dirty=941840 bdi_setpoint=84069 bdi_dirty=85400 dirty_ratelimit=63072 task_ratelimit=61776 dirtied=32 dirtied_pause=32 paused=0 pause=7 period=2 think=-5 dd-5686 [058] .... 218.734557: balance_dirty_pages: bdi 8:144: limit=1048576 setpoint=917504 dirty=952833 bdi_setpoint=83354 bdi_dirty=85792 dirty_ratelimit=63072 task_ratelimit=60236 dirtied=32 dirtied_pause=32 paused=0 pause=0 period=2 think=0 dd-5686 [058] .... 218.734893: balance_dirty_pages: bdi 8:144: limit=1048576 setpoint=917504 dirty=952973 bdi_setpoint=83354 bdi_dirty=85792 dirty_ratelimit=63072 task_ratelimit=60176 dirtied=32 dirtied_pause=32 paused=0 pause=-4294878250 period=2 think=4294878252 dd-5686 [058] .... 218.735281: balance_dirty_pages: bdi 8:144: limit=1048576 setpoint=917504 dirty=953120 bdi_setpoint=83354 bdi_dirty=85848 dirty_ratelimit=63072 task_ratelimit=60176 dirtied=32 dirtied_pause=32 paused=0 pause=0 period=2 think=1 dd-5686 [058] .... 218.735630: balance_dirty_pages: bdi 8:144: limit=1048576 setpoint=917504 dirty=953293 bdi_setpoint=83354 bdi_dirty=85848 dirty_ratelimit=63072 task_ratelimit=60176 dirtied=32 dirtied_pause=32 paused=0 pause=0 period=2 think=-1 dd-5686 [058] .... 218.735978: balance_dirty_pages: bdi 8:144: limit=1048576 setpoint=917504 dirty=953455 bdi_setpoint=83354 bdi_dirty=85904 dirty_ratelimit=63072 task_ratelimit=60112 dirtied=32 dirtied_pause=32 paused=0 pause=0 period=2 think=-3 dd-5686 [058] .... 218.736332: balance_dirty_pages: bdi 8:144: limit=1048576 setpoint=917504 dirty=953595 bdi_setpoint=83354 bdi_dirty=85904 dirty_ratelimit=63072 task_ratelimit=60052 dirtied=32 dirtied_pause=32 paused=0 pause=6 period=2 think=-4 dd-5695 [041] .... 227.307415: balance_dirty_pages: bdi 8:144: limit=1048576 setpoint=917504 dirty=955590 bdi_setpoint=83450 bdi_dirty=84336 dirty_ratelimit=62952 task_ratelimit=60800 dirtied=32 dirtied_pause=32 paused=0 pause=0 period=2 think=0 dd-5695 [041] .... 227.307810: balance_dirty_pages: bdi 8:144: limit=1048576 setpoint=917504 dirty=955642 bdi_setpoint=83443 bdi_dirty=84336 dirty_ratelimit=62952 task_ratelimit=60800 dirtied=32 dirtied_pause=32 paused=0 pause=-4294886840 period=2 think=4294886842 dd-5695 [041] .... 227.308235: balance_dirty_pages: bdi 8:144: limit=1048576 setpoint=917504 dirty=955772 bdi_setpoint=83443 bdi_dirty=84448 dirty_ratelimit=62952 task_ratelimit=60676 dirtied=32 dirtied_pause=32 paused=0 pause=0 period=2 think=1 dd-5695 [041] .... 227.308845: balance_dirty_pages: bdi 8:144: limit=1048576 setpoint=917504 dirty=955756 bdi_setpoint=83437 bdi_dirty=84504 dirty_ratelimit=62952 task_ratelimit=60676 dirtied=32 dirtied_pause=32 paused=0 pause=0 period=2 think=-1 dd-5695 [041] .... 227.309538: balance_dirty_pages: bdi 8:144: limit=1048576 setpoint=917504 dirty=955708 bdi_setpoint=83430 bdi_dirty=84560 dirty_ratelimit=62952 task_ratelimit=60612 dirtied=32 dirtied_pause=32 paused=0 pause=0 period=2 think=-2 dd-5695 [041] .... 227.310120: balance_dirty_pages: bdi 8:144: limit=1048576 setpoint=917504 dirty=955741 bdi_setpoint=83430 bdi_dirty=84616 dirty_ratelimit=62952 task_ratelimit=60552 dirtied=32 dirtied_pause=32 paused=0 pause=0 period=2 think=-3 dd-5695 [041] .... 227.310631: balance_dirty_pages: bdi 8:144: limit=1048576 setpoint=917504 dirty=955622 bdi_setpoint=83417 bdi_dirty=84616 dirty_ratelimit=62952 task_ratelimit=60612 dirtied=32 dirtied_pause=32 paused=0 pause=7 period=2 think=-5 dd-5717 [057] .... 277.024811: balance_dirty_pages: bdi 8:144: limit=1048576 setpoint=917504 dirty=956666 bdi_setpoint=83572 bdi_dirty=83496 dirty_ratelimit=62744 task_ratelimit=61088 dirtied=32 dirtied_pause=32 paused=0 pause=0 period=2 think=0 dd-5717 [057] .... 277.025137: balance_dirty_pages: bdi 8:144: limit=1048576 setpoint=917504 dirty=956776 bdi_setpoint=83572 bdi_dirty=83496 dirty_ratelimit=62744 task_ratelimit=61028 dirtied=32 dirtied_pause=32 paused=0 pause=-4294936656 period=2 think=4294936658 dd-5717 [057] .... 277.025605: balance_dirty_pages: bdi 8:144: limit=1048576 setpoint=917504 dirty=956609 bdi_setpoint=83622 bdi_dirty=83440 dirty_ratelimit=62744 task_ratelimit=61148 dirtied=32 dirtied_pause=32 paused=0 pause=0 period=2 think=1 dd-5717 [057] .... 277.026232: balance_dirty_pages: bdi 8:144: limit=1048576 setpoint=917504 dirty=956541 bdi_setpoint=83616 bdi_dirty=83440 dirty_ratelimit=62744 task_ratelimit=61148 dirtied=32 dirtied_pause=32 paused=0 pause=0 period=2 think=-1 dd-5717 [057] .... 277.026938: balance_dirty_pages: bdi 8:144: limit=1048576 setpoint=917504 dirty=956522 bdi_setpoint=83611 bdi_dirty=83496 dirty_ratelimit=62744 task_ratelimit=61148 dirtied=32 dirtied_pause=32 paused=0 pause=0 period=2 think=-2 dd-5717 [057] .... 277.027526: balance_dirty_pages: bdi 8:144: limit=1048576 setpoint=917504 dirty=956653 bdi_setpoint=83611 bdi_dirty=83496 dirty_ratelimit=62744 task_ratelimit=61148 dirtied=32 dirtied_pause=32 paused=0 pause=0 period=2 think=-3 dd-5717 [057] .... 277.028148: balance_dirty_pages: bdi 8:144: limit=1048576 setpoint=917504 dirty=956770 bdi_setpoint=83605 bdi_dirty=83552 dirty_ratelimit=62744 task_ratelimit=61028 dirtied=32 dirtied_pause=32 paused=0 pause=7 period=2 think=-5 dd-5726 [041] .... 285.898859: balance_dirty_pages: bdi 8:144: limit=1048576 setpoint=917504 dirty=954043 bdi_setpoint=81632 bdi_dirty=86856 dirty_ratelimit=62704 task_ratelimit=57988 dirtied=1 dirtied_pause=32 paused=0 pause=0 period=0 think=0 dd-5726 [041] .... 285.899181: balance_dirty_pages: bdi 8:144: limit=1048576 setpoint=917504 dirty=954098 bdi_setpoint=81632 bdi_dirty=86856 dirty_ratelimit=62704 task_ratelimit=57988 dirtied=32 dirtied_pause=32 paused=0 pause=0 period=2 think=0 dd-5726 [041] .... 285.899502: balance_dirty_pages: bdi 8:144: limit=1048576 setpoint=917504 dirty=954153 bdi_setpoint=81632 bdi_dirty=86856 dirty_ratelimit=62704 task_ratelimit=57924 dirtied=32 dirtied_pause=32 paused=0 pause=-4294945548 period=2 think=4294945550 dd-5726 [009] .... 285.899890: balance_dirty_pages: bdi 8:144: limit=1048576 setpoint=917504 dirty=954072 bdi_setpoint=81624 bdi_dirty=86912 dirty_ratelimit=62704 task_ratelimit=57924 dirtied=32 dirtied_pause=32 paused=0 pause=0 period=2 think=1 dd-5726 [009] .... 285.900243: balance_dirty_pages: bdi 8:144: limit=1048576 setpoint=917504 dirty=954066 bdi_setpoint=81617 bdi_dirty=87024 dirty_ratelimit=62704 task_ratelimit=57864 dirtied=32 dirtied_pause=32 paused=0 pause=0 period=2 think=-1 dd-5726 [009] .... 285.900599: balance_dirty_pages: bdi 8:144: limit=1048576 setpoint=917504 dirty=953930 bdi_setpoint=81601 bdi_dirty=87024 dirty_ratelimit=62704 task_ratelimit=57864 dirtied=32 dirtied_pause=32 paused=0 pause=0 period=2 think=-3 dd-5726 [009] .... 285.901007: balance_dirty_pages: bdi 8:144: limit=1048576 setpoint=917504 dirty=953867 bdi_setpoint=81593 bdi_dirty=87136 dirty_ratelimit=62704 task_ratelimit=57804 dirtied=32 dirtied_pause=32 paused=0 pause=6 period=2 think=-4 dd-5726 [018] .... 285.908755: balance_dirty_pages: bdi 8:144: limit=1048576 setpoint=917504 dirty=954143 bdi_setpoint=81603 bdi_dirty=87192 dirty_ratelimit=62704 task_ratelimit=57680 dirtied=153 dirtied_pause=153 paused=0 pause=8 period=10 think=2 dd-5726 [019] .... 285.918580: balance_dirty_pages: bdi 8:144: limit=1048576 setpoint=917504 dirty=954457 bdi_setpoint=81692 bdi_dirty=87192 dirty_ratelimit=62704 task_ratelimit=57744 dirtied=153 dirtied_pause=153 paused=0 pause=9 period=10 think=1 dd-5726 [019] .... 285.928517: balance_dirty_pages: bdi 8:144: limit=1048576 setpoint=917504 dirty=954717 bdi_setpoint=81678 bdi_dirty=87416 dirty_ratelimit=62704 task_ratelimit=57560 dirtied=153 dirtied_pause=153 paused=0 pause=9 period=10 think=1 dd-5726 [020] .... 285.939941: balance_dirty_pages: bdi 8:144: limit=1048576 setpoint=917504 dirty=954777 bdi_setpoint=81641 bdi_dirty=87584 dirty_ratelimit=62704 task_ratelimit=57436 dirtied=153 dirtied_pause=153 paused=0 pause=7 period=10 think=3 dd-5726 [021] .... 285.948496: balance_dirty_pages: bdi 8:144: limit=1048576 setpoint=917504 dirty=955090 bdi_setpoint=81643 bdi_dirty=87808 dirty_ratelimit=62704 task_ratelimit=57252 dirtied=153 dirtied_pause=153 paused=0 pause=9 period=10 think=1 dd-5726 [021] .... 285.958924: balance_dirty_pages: bdi 8:144: limit=1048576 setpoint=917504 dirty=955120 bdi_setpoint=81614 bdi_dirty=87976 dirty_ratelimit=62704 task_ratelimit=57128 dirtied=153 dirtied_pause=153 paused=0 pause=8 period=10 think=2 dd-5726 [022] .... 285.968287: balance_dirty_pages: bdi 8:144: limit=1048576 setpoint=917504 dirty=955009 bdi_setpoint=81672 bdi_dirty=88088 dirty_ratelimit=62704 task_ratelimit=57128 dirtied=153 dirtied_pause=153 paused=0 pause=9 period=10 think=1 dd-5726 [022] .... 285.978468: balance_dirty_pages: bdi 8:144: limit=1048576 setpoint=917504 dirty=955194 bdi_setpoint=81658 bdi_dirty=88200 dirty_ratelimit=62704 task_ratelimit=56944 dirtied=153 dirtied_pause=153 paused=0 pause=9 period=10 think=1 dd-5726 [023] .... 285.988475: balance_dirty_pages: bdi 8:144: limit=1048576 setpoint=917504 dirty=955302 bdi_setpoint=81629 bdi_dirty=88424 dirty_ratelimit=62704 task_ratelimit=56824 dirtied=153 dirtied_pause=153 paused=0 pause=9 period=10 think=1 dd-5726 [023] .... 285.998281: balance_dirty_pages: bdi 8:144: limit=1048576 setpoint=917504 dirty=955190 bdi_setpoint=81608 bdi_dirty=88648 dirty_ratelimit=62704 task_ratelimit=56640 dirtied=153 dirtied_pause=153 paused=0 pause=9 period=10 think=1 dd-5726 [016] .... 286.008352: balance_dirty_pages: bdi 8:144: limit=1048576 setpoint=917504 dirty=955498 bdi_setpoint=81602 bdi_dirty=88760 dirty_ratelimit=62704 task_ratelimit=56580 dirtied=153 dirtied_pause=153 paused=0 pause=9 period=10 think=1 dd-5726 [016] .... 286.018027: balance_dirty_pages: bdi 8:144: limit=1048576 setpoint=917504 dirty=955419 bdi_setpoint=81660 bdi_dirty=88816 dirty_ratelimit=62704 task_ratelimit=56580 dirtied=153 dirtied_pause=153 paused=0 pause=9 period=10 think=1 dd-5726 [017] .... 286.028230: balance_dirty_pages: bdi 8:144: limit=1048576 setpoint=917504 dirty=955365 bdi_setpoint=81631 bdi_dirty=89040 dirty_ratelimit=62704 task_ratelimit=56396 dirtied=153 dirtied_pause=153 paused=0 pause=9 period=10 think=1 dd-5726 [049] .... 286.038490: balance_dirty_pages: bdi 8:144: limit=1048576 setpoint=917504 dirty=955468 bdi_setpoint=81610 bdi_dirty=89096 dirty_ratelimit=62704 task_ratelimit=56396 dirtied=153 dirtied_pause=153 paused=0 pause=8 period=10 think=2 dd-5726 [049] .... 286.048435: balance_dirty_pages: bdi 8:144: limit=1048576 setpoint=917504 dirty=955739 bdi_setpoint=81682 bdi_dirty=89208 dirty_ratelimit=62704 task_ratelimit=56272 dirtied=153 dirtied_pause=153 paused=0 pause=8 period=10 think=2 dd-5735 [041] .... 294.267435: balance_dirty_pages: bdi 8:144: limit=1048576 setpoint=917504 dirty=950852 bdi_setpoint=82067 bdi_dirty=84616 dirty_ratelimit=62664 task_ratelimit=59968 dirtied=32 dirtied_pause=32 paused=0 pause=0 period=2 think=0 dd-5735 [041] .... 294.267765: balance_dirty_pages: bdi 8:144: limit=1048576 setpoint=917504 dirty=950970 bdi_setpoint=82067 bdi_dirty=84616 dirty_ratelimit=62664 task_ratelimit=59968 dirtied=32 dirtied_pause=32 paused=0 pause=-4294953933 period=2 think=4294953935 dd-5735 [041] .... 294.268098: balance_dirty_pages: bdi 8:144: limit=1048576 setpoint=917504 dirty=951017 bdi_setpoint=82060 bdi_dirty=84672 dirty_ratelimit=62664 task_ratelimit=59908 dirtied=32 dirtied_pause=32 paused=0 pause=0 period=2 think=1 dd-5735 [041] .... 294.268424: balance_dirty_pages: bdi 8:144: limit=1048576 setpoint=917504 dirty=951029 bdi_setpoint=82060 bdi_dirty=84672 dirty_ratelimit=62664 task_ratelimit=59908 dirtied=32 dirtied_pause=32 paused=0 pause=0 period=2 think=-1 dd-5735 [041] .... 294.268742: balance_dirty_pages: bdi 8:144: limit=1048576 setpoint=917504 dirty=951095 bdi_setpoint=82060 bdi_dirty=84728 dirty_ratelimit=62664 task_ratelimit=59848 dirtied=32 dirtied_pause=32 paused=0 pause=0 period=2 think=-3 dd-5735 [041] .... 294.269061: balance_dirty_pages: bdi 8:144: limit=1048576 setpoint=917504 dirty=950833 bdi_setpoint=82042 bdi_dirty=84728 dirty_ratelimit=62664 task_ratelimit=59848 dirtied=32 dirtied_pause=32 paused=1 pause=7 period=2 think=-4 dd-5735 [041] .... 294.277895: balance_dirty_pages: bdi 8:144: limit=1048576 setpoint=917504 dirty=951014 bdi_setpoint=82044 bdi_dirty=84896 dirty_ratelimit=62664 task_ratelimit=59784 dirtied=152 dirtied_pause=152 paused=0 pause=8 period=10 think=2 dd-5735 [010] .... 294.287018: balance_dirty_pages: bdi 8:144: limit=1048576 setpoint=917504 dirty=950953 bdi_setpoint=82027 bdi_dirty=85120 dirty_ratelimit=62664 task_ratelimit=59604 dirtied=152 dirtied_pause=152 paused=0 pause=9 period=10 think=1 dd-5735 [010] .... 294.297275: balance_dirty_pages: bdi 8:144: limit=1048576 setpoint=917504 dirty=951081 bdi_setpoint=82070 bdi_dirty=85120 dirty_ratelimit=62664 task_ratelimit=59604 dirtied=152 dirtied_pause=152 paused=0 pause=8 period=10 think=2 dd-5735 [011] .... 294.307161: balance_dirty_pages: bdi 8:144: limit=1048576 setpoint=917504 dirty=951125 bdi_setpoint=81988 bdi_dirty=85456 dirty_ratelimit=62664 task_ratelimit=59296 dirtied=152 dirtied_pause=152 paused=0 pause=8 period=10 think=2 dd-5735 [012] .... 294.316854: balance_dirty_pages: bdi 8:144: limit=1048576 setpoint=917504 dirty=951369 bdi_setpoint=82043 bdi_dirty=85568 dirty_ratelimit=62664 task_ratelimit=59296 dirtied=152 dirtied_pause=152 paused=0 pause=9 period=10 think=1 dd-5735 [013] .... 294.327260: balance_dirty_pages: bdi 8:144: limit=1048576 setpoint=917504 dirty=951431 bdi_setpoint=82026 bdi_dirty=85736 dirty_ratelimit=62664 task_ratelimit=59172 dirtied=152 dirtied_pause=152 paused=0 pause=8 period=10 think=2 dd-5735 [014] .... 294.337097: balance_dirty_pages: bdi 8:144: limit=1048576 setpoint=917504 dirty=951718 bdi_setpoint=82022 bdi_dirty=85904 dirty_ratelimit=62664 task_ratelimit=59052 dirtied=152 dirtied_pause=152 paused=0 pause=8 period=10 think=2 dd-5735 [015] .... 294.346927: balance_dirty_pages: bdi 8:144: limit=1048576 setpoint=917504 dirty=952048 bdi_setpoint=82017 bdi_dirty=86128 dirty_ratelimit=62664 task_ratelimit=58868 dirtied=152 dirtied_pause=152 paused=0 pause=9 period=10 think=1 dd-5735 [008] .... 294.357367: balance_dirty_pages: bdi 8:144: limit=1048576 setpoint=917504 dirty=952092 bdi_setpoint=82060 bdi_dirty=86184 dirty_ratelimit=62664 task_ratelimit=58868 dirtied=152 dirtied_pause=152 paused=0 pause=8 period=10 think=2 dd-5735 [009] .... 294.366817: balance_dirty_pages: bdi 8:144: limit=1048576 setpoint=917504 dirty=952000 bdi_setpoint=82044 bdi_dirty=86408 dirty_ratelimit=62664 task_ratelimit=58684 dirtied=152 dirtied_pause=152 paused=0 pause=9 period=10 think=1 dd-5735 [010] .... 294.376936: balance_dirty_pages: bdi 8:144: limit=1048576 setpoint=917504 dirty=952338 bdi_setpoint=82098 bdi_dirty=86464 dirty_ratelimit=62664 task_ratelimit=58624 dirtied=152 dirtied_pause=152 paused=0 pause=8 period=10 think=2 dd-5735 [011] .... 294.386956: balance_dirty_pages: bdi 8:144: limit=1048576 setpoint=917504 dirty=952088 bdi_setpoint=82070 bdi_dirty=86632 dirty_ratelimit=62664 task_ratelimit=58560 dirtied=152 dirtied_pause=152 paused=0 pause=8 period=10 think=2 dd-5735 [012] .... 294.396998: balance_dirty_pages: bdi 8:144: limit=1048576 setpoint=917504 dirty=952441 bdi_setpoint=82066 bdi_dirty=86744 dirty_ratelimit=62664 task_ratelimit=58440 dirtied=152 dirtied_pause=152 paused=0 pause=8 period=10 think=2 dd-5735 [013] .... 294.406820: balance_dirty_pages: bdi 8:144: limit=1048576 setpoint=917504 dirty=952484 bdi_setpoint=82115 bdi_dirty=86800 dirty_ratelimit=62664 task_ratelimit=58440 dirtied=152 dirtied_pause=152 paused=0 pause=9 period=10 think=1 dd-5735 [014] .... 294.416669: balance_dirty_pages: bdi 8:144: limit=1048576 setpoint=917504 dirty=952273 bdi_setpoint=82092 bdi_dirty=86912 dirty_ratelimit=62664 task_ratelimit=58380 dirtied=152 dirtied_pause=152 paused=0 pause=9 period=10 think=1 -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. 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