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Diffstat (limited to 'note/memory_usage.txt')
| -rw-r--r-- | note/memory_usage.txt | 279 |
1 files changed, 279 insertions, 0 deletions
diff --git a/note/memory_usage.txt b/note/memory_usage.txt new file mode 100644 index 000000000..821140ea2 --- /dev/null +++ b/note/memory_usage.txt @@ -0,0 +1,279 @@ +64 32G volumes consumes 10G memory +Each volume has 25M index, so each cost 160MB memory + + + +Things happened when I use lots of threads ( almost 120 ) keeping read file from Weed-FS. +But I'm not so familiar with linux so I can't tell you exactly what happened. +Next I'll show you things I know , if you need more info , contact me + +My weed-fs version is about 0.12 + +1. top + +top - 12:07:37 up 1 day, 3:17, 2 users, load average: 0.00, 0.00, 0.00 +Tasks: 152 total, 1 running, 151 sleeping, 0 stopped, 0 zombie +Cpu(s): 0.0%us, 0.0%sy, 0.0%ni, 99.8%id, 0.1%wa, 0.0%hi, 0.0%si, 0.0%st +Mem: 16269880k total, 16192364k used, 77516k free, 58172k buffers +Swap: 2064376k total, 12324k used, 2052052k free, 2827520k cached + + PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND + 1499 root 20 0 11.6g 10g 1424 S 0.0 65.6 7:32.53 weedvolume + 1498 root 20 0 3204m 2.1g 1428 S 0.0 13.5 4:36.59 weedvolume + 1737 root 20 0 98868 4932 2920 S 0.0 0.0 0:00.56 sshd + 1497 root 20 0 151m 4404 1152 S 0.0 0.0 1:21.40 weedmaster + 1335 root 20 0 97816 3044 2896 S 0.0 0.0 0:00.76 sshd + +After system became steady , weedvolume used 65.6% memory . + +2. free -m + + total used free shared buffers cached +Mem: 15888 15809 79 0 56 2758 +-/+ buffers/cache: 12994 2894 +Swap: 2015 12 2003 + +3. startup cmd + +screen -d -m /opt/weed/weedmaster -mdir /data/weeddata/ > /data/logs/weed/master.log & +screen -d -m /opt/weed/weedvolume -volumes=0-64 -dir /data/weeddata/ -pulseSeconds=20 -publicUrl="x.y.z:9334" -port 9334 > /data/logs/weed/s01.log & +screen -d -m /opt/weed/weedvolume -volumes=65-107 -dir /data/weeddata/ -pulseSeconds=20 -publicUrl="x.y.z:9335" -port 9335 > /data/logs/weed/s02.log & + +4. du -sh . + +32G 0.dat +26M 0.idx +8.2G 100.dat +6.8M 100.idx +8.2G 101.dat +6.9M 101.idx +8.2G 102.dat +6.8M 102.idx +8.2G 103.dat +6.8M 103.idx +8.2G 104.dat +6.8M 104.idx +8.2G 105.dat +6.9M 105.idx +8.2G 106.dat +6.9M 106.idx +8.2G 107.dat +6.9M 107.idx +32G 10.dat +25M 10.idx +32G 11.dat +25M 11.idx +32G 12.dat +25M 12.idx +32G 13.dat +25M 13.idx +32G 14.dat +25M 14.idx +32G 15.dat +25M 15.idx +32G 16.dat +25M 16.idx +32G 17.dat +25M 17.idx +32G 18.dat +25M 18.idx +32G 19.dat +25M 19.idx +32G 1.dat +26M 1.idx +32G 20.dat +25M 20.idx +32G 21.dat +25M 21.idx +32G 22.dat +25M 22.idx +32G 23.dat +25M 23.idx +32G 24.dat +25M 24.idx +32G 25.dat +25M 25.idx +32G 26.dat +25M 26.idx +32G 27.dat +25M 27.idx +32G 28.dat +25M 28.idx +32G 29.dat +25M 29.idx +32G 2.dat +26M 2.idx +32G 30.dat +25M 30.idx +32G 31.dat +25M 31.idx +32G 32.dat +25M 32.idx +32G 33.dat +25M 33.idx +32G 34.dat +25M 34.idx +32G 35.dat +25M 35.idx +32G 36.dat +25M 36.idx +32G 37.dat +25M 37.idx +32G 38.dat +25M 38.idx +32G 39.dat +25M 39.idx +32G 3.dat +26M 3.idx +32G 40.dat +25M 40.idx +32G 41.dat +25M 41.idx +32G 42.dat +25M 42.idx +32G 43.dat +25M 43.idx +32G 44.dat +25M 44.idx +32G 45.dat +25M 45.idx +32G 46.dat +25M 46.idx +32G 47.dat +25M 47.idx +32G 48.dat +25M 48.idx +32G 49.dat +25M 49.idx +32G 4.dat +26M 4.idx +32G 50.dat +25M 50.idx +32G 51.dat +25M 51.idx +32G 52.dat +25M 52.idx +32G 53.dat +25M 53.idx +32G 54.dat +25M 54.idx +32G 55.dat +25M 55.idx +32G 56.dat +25M 56.idx +32G 57.dat +25M 57.idx +32G 58.dat +25M 58.idx +32G 59.dat +25M 59.idx +32G 5.dat +26M 5.idx +32G 60.dat +25M 60.idx +32G 61.dat +25M 61.idx +32G 62.dat +25M 62.idx +32G 63.dat +25M 63.idx +32G 64.dat +25M 64.idx +8.2G 65.dat +6.9M 65.idx +8.2G 66.dat +6.9M 66.idx +8.2G 67.dat +6.9M 67.idx +8.2G 68.dat +6.8M 68.idx +8.2G 69.dat +6.9M 69.idx +32G 6.dat +25M 6.idx +8.2G 70.dat +6.8M 70.idx +8.2G 71.dat +6.9M 71.idx +8.2G 72.dat +6.9M 72.idx +8.2G 73.dat +6.9M 73.idx +8.2G 74.dat +6.9M 74.idx +8.2G 75.dat +6.9M 75.idx +8.1G 76.dat +6.8M 76.idx +8.2G 77.dat +6.8M 77.idx +8.2G 78.dat +6.8M 78.idx +8.1G 79.dat +6.8M 79.idx +32G 7.dat +25M 7.idx +8.2G 80.dat +6.8M 80.idx +8.2G 81.dat +6.9M 81.idx +8.2G 82.dat +6.9M 82.idx +8.2G 83.dat +6.9M 83.idx +8.2G 84.dat +6.9M 84.idx +8.2G 85.dat +6.8M 85.idx +8.2G 86.dat +6.9M 86.idx +8.2G 87.dat +6.9M 87.idx +8.2G 88.dat +6.9M 88.idx +8.2G 89.dat +6.8M 89.idx +32G 8.dat +25M 8.idx +8.2G 90.dat +6.9M 90.idx +8.1G 91.dat +6.8M 91.idx +8.1G 92.dat +6.8M 92.idx +8.1G 93.dat +6.8M 93.idx +8.2G 94.dat +6.9M 94.idx +8.2G 95.dat +6.9M 95.idx +8.2G 96.dat +6.9M 96.idx +8.2G 97.dat +6.9M 97.idx +8.2G 98.dat +6.9M 98.idx +8.2G 99.dat +6.9M 99.idx +32G 9.dat +25M 9.idx +4.0K directory.seq + +You can see the volume 1-64 is now full. + +5. more log + +see logs.zip + +In messages you can see these lines: (Line 51095) + +Sep 26 06:14:31 wedb-01 kernel: auditd: page allocation failure. order:0, mode:0x20 +Sep 26 06:14:31 wedb-01 kernel: Pid: 1009, comm: auditd Not tainted 2.6.32-220.el6.x86_64 #1 +Sep 26 06:14:31 wedb-01 kernel: Call Trace: + +After those lines , the system deny any new network connect request + +6. /dir/status + 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+
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