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Out of Memory

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I've been using unRAID for a few weeks now, and today I decided to install some new stuff. But now everything I run seems to be killed off due to low memory.

 

I have 4GB of real memory in the machine, and almost all of it seems to be used.

 

The following is some outputs that might help:

 

(from /usr/bin/free)

             total       used       free     shared    buffers     cached
Mem:       3886268    3773544     112724          0       7564    3700208
-/+ buffers/cache:      65772    3820496
Swap:      2097144       7460    2089684

 

top - 18:43:25 up  3:05,  1 user,  load average: 1.71, 1.58, 1.53
Tasks: 101 total,   1 running,  96 sleeping,   0 stopped,   4 zombie
Cpu(s):  1.2%us,  1.6%sy,  0.0%ni, 66.8%id, 28.8%wa,  0.7%hi,  0.8%si,  0.0%st
Mem:   3886268k total,  3773484k used,   112784k free,     7468k buffers
Swap:  2097144k total,     7460k used,  2089684k free,  3698508k cached

  PID USER      PR  NI  VIRT  RES  SHR S %CPU %MEM    TIME+  COMMAND            
2710 root      20   0 14584 4088 3092 D    4  0.1   6:31.70 smbd               
  124 root      20   0     0    0    0 S    2  0.0   0:45.11 sync_supers        
1773 root      20   0 48260 1324  856 S    2  0.0   5:41.37 shfs               
    1 root      20   0   700  288  264 S    0  0.0   0:01.87 init               
    2 root      20   0     0    0    0 S    0  0.0   0:00.00 kthreadd           
    3 root      RT   0     0    0    0 S    0  0.0   0:00.00 migration/0        
    4 root      20   0     0    0    0 S    0  0.0   0:00.28 ksoftirqd/0        
    5 root      RT   0     0    0    0 S    0  0.0   0:00.00 migration/1        
    6 root      20   0     0    0    0 S    0  0.0   0:00.15 ksoftirqd/1        
    7 root      RT   0     0    0    0 S    0  0.0   0:00.00 migration/2        
    8 root      20   0     0    0    0 S    0  0.0   0:00.51 ksoftirqd/2        
    9 root      RT   0     0    0    0 S    0  0.0   0:00.01 migration/3        
   10 root      20   0     0    0    0 S    0  0.0   0:00.25 ksoftirqd/3        
   11 root      20   0     0    0    0 S    0  0.0   0:00.00 events/0           
   12 root      20   0     0    0    0 S    0  0.0   0:00.00 events/1           
   13 root      20   0     0    0    0 S    0  0.0   0:00.00 events/2           
   14 root      20   0     0    0    0 S    0  0.0   0:00.00 events/3           
   15 root      20   0     0    0    0 S    0  0.0   0:00.00 khelper            
   20 root      20   0     0    0    0 S    0  0.0   0:00.00 async/mgr          
  126 root      20   0     0    0    0 S    0  0.0   0:00.01 bdi-default        
  128 root      20   0     0    0    0 S    0  0.0   0:00.00 kblockd/0          
  129 root      20   0     0    0    0 S    0  0.0   0:00.00 kblockd/1          
  130 root      20   0     0    0    0 S    0  0.0   0:00.00 kblockd/2          
  131 root      20   0     0    0    0 S    0  0.0   0:00.00 kblockd/3          
  132 root      20   0     0    0    0 S    0  0.0   0:00.00 kacpid             
  133 root      20   0     0    0    0 S    0  0.0   0:00.00 kacpi_notify       
  134 root      20   0     0    0    0 S    0  0.0   0:00.00 kacpi_hotplug      
  259 root      20   0     0    0    0 S    0  0.0   0:00.00 ata/0              
  260 root      20   0     0    0    0 S    0  0.0   0:00.00 ata/1              
  261 root      20   0     0    0    0 S    0  0.0   0:00.00 ata/2              
  262 root      20   0     0    0    0 S    0  0.0   0:00.00 ata/3              
  263 root      20   0     0    0    0 S    0  0.0   0:00.00 ata_aux            
  267 root      20   0     0    0    0 S    0  0.0   0:00.00 ksuspend_usbd      
  272 root      20   0     0    0    0 S    0  0.0   0:00.00 khubd              
  275 root      20   0     0    0    0 S    0  0.0   0:00.00 kseriod            
  312 root      20   0     0    0    0 S    0  0.0   0:00.00 rpciod/0           
  313 root      20   0     0    0    0 S    0  0.0   0:00.00 rpciod/1           
  314 root      20   0     0    0    0 S    0  0.0   0:00.00 rpciod/2           
  315 root      20   0     0    0    0 S    0  0.0   0:00.00 rpciod/3           
  363 root      20   0     0    0    0 D    0  0.0   0:10.34 kswapd0            
  408 root      20   0     0    0    0 S    0  0.0   0:00.00 aio/0              
  409 root      20   0     0    0    0 S    0  0.0   0:00.00 aio/1              
  410 root      20   0     0    0    0 S    0  0.0   0:00.00 aio/2              
  411 root      20   0     0    0    0 S    0  0.0   0:00.00 aio/3              
  417 root      20   0     0    0    0 S    0  0.0   0:00.00 nfsiod             
  422 root      15  -5     0    0    0 S    0  0.0   0:00.00 kslowd000          
  423 root      15  -5     0    0    0 S    0  0.0   0:00.00 kslowd001          
  691 root      20   0     0    0    0 S    0  0.0   0:00.00 usbhid_resumer     
  730 root      16  -4  1892  576  480 S    0  0.0   0:00.13 udevd              
  834 root      20   0     0    0    0 S    0  0.0   0:00.00 scsi_eh_0          
  835 root      20   0     0    0    0 S    0  0.0   0:01.53 usb-storage        
  959 root      20   0     0    0    0 S    0  0.0   0:00.00 scsi_eh_1          
  960 root      20   0     0    0    0 S    0  0.0   0:00.00 scsi_eh_2          
  961 root      20   0     0    0    0 S    0  0.0   0:00.00 scsi_eh_3          
  962 root      20   0     0    0    0 S    0  0.0   0:00.00 scsi_eh_4          
  963 root      20   0     0    0    0 S    0  0.0   0:00.00 scsi_eh_5          
  964 root      20   0     0    0    0 S    0  0.0   0:00.00 scsi_eh_6          
1338 root      20   0  1684  532  504 S    0  0.0   0:00.08 syslogd            
1342 root      20   0  1636  360  356 S    0  0.0   0:00.13 klogd              
1381 root      20   0  1656  412  392 S    0  0.0   0:00.00 ifplugd            
1445 root      20   0  1668  464  460 S    0  0.0   0:00.00 inetd              
1455 root      20   0  1636  472  468 S    0  0.0   0:00.00 acpid              
1462 root      20   0  1816  636  548 S    0  0.0   0:00.00 crond              
1464 daemon    20   0  1672  320  304 S    0  0.0   0:00.00 atd                
1469 root      20   0  8484 1424 1296 S    0  0.0   0:00.03 nmbd               
1471 root      20   0 13620 2712 2604 S    0  0.1   0:00.03 smbd               
1587 root      20   0     0    0    0 S    0  0.0   0:00.00 mdrecoveryd        
1589 root      20   0     0    0    0 S    0  0.0   0:00.00 spinupd            
1590 root      20   0     0    0    0 S    0  0.0   0:00.00 spinupd            
1601 root      20   0     0    0    0 S    0  0.0   0:23.41 unraidd            
1619 root      20   0     0    0    0 S    0  0.0   0:00.03 reiserfs/0         
1620 root      20   0     0    0    0 S    0  0.0   0:00.02 reiserfs/1         
1621 root      20   0     0    0    0 S    0  0.0   0:00.00 reiserfs/2         
1622 root      20   0     0    0    0 S    0  0.0   0:00.00 reiserfs/3         
1988 root      20   0  3792  720  716 S    0  0.0   0:00.00 sshd               
2229 root      20   0  1480  244  240 S    0  0.0   0:00.00 lighttpd-angel     
2230 root      20   0  2092  716  712 S    0  0.0   0:00.00 awk                
2232 root      20   0  4696 1416 1364 S    0  0.0   0:00.01 lighttpd           
2233 root      20   0     0    0    0 Z    0  0.0   0:00.03 php-cgi   
2235 root      20   0     0    0    0 Z    0  0.0   0:00.02 php-cgi   
2237 root      20   0     0    0    0 Z    0  0.0   0:00.04 php-cgi   
2239 root      20   0     0    0    0 Z    0  0.0   0:00.02 php-cgi   
2251 root      20   0 10632 2452 2244 S    0  0.1   0:00.96 sshd               
2257 root      20   0  2392 1108 1104 S    0  0.0   0:00.76 bash               
2273 root      20   0  2292  320  316 S    0  0.0   0:00.00 uu                 
2274 root      20   0  1620  472  468 S    0  0.0   0:00.01 logger             
2278 root      20   0  4832 2712  884 S    0  0.1   0:03.72 awk                
2523 root      20   0  1636  460  456 S    0  0.0   0:00.00 agetty             
2524 root      20   0  1636  460  456 S    0  0.0   0:00.00 agetty             
2525 root      20   0  1636  460  456 S    0  0.0   0:00.00 agetty             
2526 root      20   0  1628  460  456 S    0  0.0   0:00.00 agetty             
2527 root      20   0  1632  460  456 S    0  0.0   0:00.00 agetty             
2528 root      20   0  1632  460  456 S    0  0.0   0:00.00 agetty             
2738 root      20   0  3912 1092  996 S    0  0.0   0:00.02 ntpd               
3159 root      20   0  2640 1244 1072 S    0  0.0   0:00.50 bash               
6828 root      20   0     0    0    0 S    0  0.0   0:01.77 flush-9:2          
7192 root      20   0  161m  13m 3360 S    0  0.4   0:02.67 python             
7887 root      20   0     0    0    0 S    0  0.0   0:00.00 flush-8:32         
7936 root      20   0  2092  904  728 S    0  0.0   0:00.00 gawk               
7939 root      20   0  2264 1044  904 S    0  0.0   0:00.00 sh                 
7940 root      20   0  2112  908  700 R    0  0.0   0:00.01 top                

 

Can anyone help me out on this?

 

  • Author

Sorry, syslog:

 

Jun 27 18:50:31 EpicStorage kernel: smbd invoked oom-killer: gfp_mask=0x200da, order=0, oom_adj=0
Jun 27 18:50:31 EpicStorage kernel: Pid: 2710, comm: smbd Not tainted 2.6.32.9-unRAID #2
Jun 27 18:50:31 EpicStorage kernel: Call Trace:
Jun 27 18:50:31 EpicStorage kernel: [] oom_kill_process+0x59/0x1cd
Jun 27 18:50:31 EpicStorage kernel: [] __out_of_memory+0xef/0x102
Jun 27 18:50:31 EpicStorage kernel: [] out_of_memory+0x5e/0x83
Jun 27 18:50:31 EpicStorage kernel: [] __alloc_pages_nodemask+0x375/0x42f
Jun 27 18:50:31 EpicStorage kernel: [] ? tcp_v4_do_rcv+0x21/0x162
Jun 27 18:50:31 EpicStorage kernel: [] grab_cache_page_write_begin+0x54/0x8e
Jun 27 18:50:31 EpicStorage kernel: [] fuse_file_aio_write+0x286/0x4fa
Jun 27 18:50:31 EpicStorage kernel: [] ? sock_common_recvmsg+0x31/0x4a
Jun 27 18:50:31 EpicStorage kernel: [] do_sync_write+0xbb/0xf9
Jun 27 18:50:31 EpicStorage kernel: [] ? autoremove_wake_function+0x0/0x30
Jun 27 18:50:31 EpicStorage kernel: [] ? autoremove_wake_function+0x0/0x30
Jun 27 18:50:31 EpicStorage kernel: [] ? vfs_read+0xfd/0x114
Jun 27 18:50:31 EpicStorage kernel: [] ? do_sync_write+0x0/0xf9
Jun 27 18:50:31 EpicStorage kernel: [] vfs_write+0x8c/0x116
Jun 27 18:50:31 EpicStorage kernel: [] sys_pwrite64+0x44/0x5d
Jun 27 18:50:31 EpicStorage kernel: [] syscall_call+0x7/0xb
Jun 27 18:50:31 EpicStorage kernel: Mem-Info:
Jun 27 18:50:31 EpicStorage kernel: DMA per-cpu:
Jun 27 18:50:31 EpicStorage kernel: CPU 0: hi: 0, btch: 1 usd: 0
Jun 27 18:50:31 EpicStorage kernel: CPU 1: hi: 0, btch: 1 usd: 0
Jun 27 18:50:31 EpicStorage kernel: CPU 2: hi: 0, btch: 1 usd: 0
Jun 27 18:50:31 EpicStorage kernel: CPU 3: hi: 0, btch: 1 usd: 0
Jun 27 18:50:31 EpicStorage kernel: Normal per-cpu:
Jun 27 18:50:31 EpicStorage kernel: CPU 0: hi: 186, btch: 31 usd: 175
Jun 27 18:50:31 EpicStorage kernel: CPU 1: hi: 186, btch: 31 usd: 89
Jun 27 18:50:31 EpicStorage kernel: CPU 2: hi: 186, btch: 31 usd: 159
Jun 27 18:50:31 EpicStorage kernel: CPU 3: hi: 186, btch: 31 usd: 168
Jun 27 18:50:31 EpicStorage kernel: HighMem per-cpu:
Jun 27 18:50:31 EpicStorage kernel: CPU 0: hi: 186, btch: 31 usd: 64
Jun 27 18:50:31 EpicStorage kernel: CPU 1: hi: 186, btch: 31 usd: 72
Jun 27 18:50:31 EpicStorage kernel: CPU 2: hi: 186, btch: 31 usd: 171
Jun 27 18:50:31 EpicStorage kernel: CPU 3: hi: 186, btch: 31 usd: 68
Jun 27 18:50:31 EpicStorage kernel: active_anon:7533 inactive_anon:2456 isolated_anon:0
Jun 27 18:50:31 EpicStorage kernel: active_file:803 inactive_file:852 isolated_file:0
Jun 27 18:50:31 EpicStorage kernel: unevictable:918585 dirty:6 writeback:2454 unstable:0
Jun 27 18:50:31 EpicStorage kernel: free:28302 slab_reclaimable:3419 slab_unreclaimable:2146
Jun 27 18:50:31 EpicStorage kernel: mapped:2641 shmem:4 pagetables:188 bounce:601
Jun 27 18:50:31 EpicStorage kernel: DMA free:15196kB min:64kB low:80kB high:96kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:28kB unevictable:728kB isolated(anon):0kB isolated(file):0kB present:15860kB mlocked:0kB dirty:0kB writeback:0kB mapped:0kB shmem:0kB slab_reclaimable:0kB slab_unreclaimable:0kB kernel_stack:0kB pagetables:0kB unstable:0kB bounce:0kB writeback_tmp:0kB pages_scanned:0 all_unreclaimable? yes
Jun 27 18:50:31 EpicStorage kernel: lowmem_reserve[]: 0 867 3784 3784
Jun 27 18:50:31 EpicStorage kernel: Normal free:96400kB min:3732kB low:4664kB high:5596kB active_anon:2648kB inactive_anon:2812kB active_file:3092kB inactive_file:3188kB unevictable:698648kB isolated(anon):0kB isolated(file):0kB present:887976kB mlocked:0kB dirty:24kB writeback:2784kB mapped:4kB shmem:0kB slab_reclaimable:13676kB slab_unreclaimable:8584kB kernel_stack:1008kB pagetables:4kB unstable:0kB bounce:2404kB writeback_tmp:0kB pages_scanned:8383 all_unreclaimable? no
Jun 27 18:50:31 EpicStorage kernel: lowmem_reserve[]: 0 0 23342 23342
Jun 27 18:50:31 EpicStorage kernel: HighMem free:1612kB min:512kB low:3652kB high:6792kB active_anon:27484kB inactive_anon:7012kB active_file:120kB inactive_file:192kB unevictable:2974964kB isolated(anon):0kB isolated(file):0kB present:2987860kB mlocked:0kB dirty:0kB writeback:7032kB mapped:10560kB shmem:16kB slab_reclaimable:0kB slab_unreclaimable:0kB kernel_stack:0kB pagetables:748kB unstable:0kB bounce:0kB writeback_tmp:0kB pages_scanned:9360 all_unreclaimable? no
Jun 27 18:50:31 EpicStorage kernel: lowmem_reserve[]: 0 0 0 0
Jun 27 18:50:31 EpicStorage kernel: DMA: 1*4kB 1*8kB 1*16kB 2*32kB 2*64kB 1*128kB 2*256kB 0*512kB 2*1024kB 2*2048kB 2*4096kB = 15196kB
Jun 27 18:50:31 EpicStorage kernel: Normal: 21394*4kB 870*8kB 2*16kB 6*32kB 3*64kB 1*128kB 1*256kB 2*512kB 0*1024kB 1*2048kB 0*4096kB = 96408kB
Jun 27 18:50:31 EpicStorage kernel: HighMem: 359*4kB 8*8kB 1*16kB 1*32kB 1*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 1612kB
Jun 27 18:50:31 EpicStorage kernel: 922859 total pagecache pages
Jun 27 18:50:31 EpicStorage kernel: 2593 pages in swap cache
Jun 27 18:50:31 EpicStorage kernel: Swap cache stats: add 26392, delete 23799, find 16631/19377
Jun 27 18:50:31 EpicStorage kernel: Free swap = 2079908kB
Jun 27 18:50:31 EpicStorage kernel: Total swap = 2097144kB
Jun 27 18:50:31 EpicStorage kernel: 1146880 pages RAM
Jun 27 18:50:31 EpicStorage kernel: 919042 pages HighMem
Jun 27 18:50:31 EpicStorage kernel: 175313 pages reserved
Jun 27 18:50:31 EpicStorage kernel: 9548 pages shared
Jun 27 18:50:31 EpicStorage kernel: 937669 pages non-shared
Jun 27 18:50:31 EpicStorage kernel: Out of memory: kill process 7192 (python) score 2577 or a child
Jun 27 18:50:31 EpicStorage kernel: Killed process 7192 (python)
Jun 27 18:53:35 EpicStorage kernel: smbd invoked oom-killer: gfp_mask=0x200da, order=0, oom_adj=0
Jun 27 18:53:35 EpicStorage kernel: Pid: 2710, comm: smbd Not tainted 2.6.32.9-unRAID #2
Jun 27 18:53:35 EpicStorage kernel: Call Trace:
Jun 27 18:53:35 EpicStorage kernel: [] oom_kill_process+0x59/0x1cd
Jun 27 18:53:35 EpicStorage kernel: [] __out_of_memory+0xef/0x102
Jun 27 18:53:35 EpicStorage kernel: [] out_of_memory+0x5e/0x83
Jun 27 18:53:35 EpicStorage kernel: [] __alloc_pages_nodemask+0x375/0x42f
Jun 27 18:53:35 EpicStorage kernel: [] grab_cache_page_write_begin+0x54/0x8e
Jun 27 18:53:35 EpicStorage kernel: [] fuse_file_aio_write+0x286/0x4fa
Jun 27 18:53:35 EpicStorage kernel: [] ? sock_common_recvmsg+0x31/0x4a
Jun 27 18:53:35 EpicStorage kernel: [] do_sync_write+0xbb/0xf9
Jun 27 18:53:35 EpicStorage kernel: [] ? autoremove_wake_function+0x0/0x30
Jun 27 18:53:35 EpicStorage kernel: [] ? autoremove_wake_function+0x0/0x30
Jun 27 18:53:35 EpicStorage kernel: [] ? vfs_read+0xfd/0x114
Jun 27 18:53:35 EpicStorage kernel: [] ? do_sync_write+0x0/0xf9
Jun 27 18:53:35 EpicStorage kernel: [] vfs_write+0x8c/0x116
Jun 27 18:53:35 EpicStorage kernel: [] sys_pwrite64+0x44/0x5d
Jun 27 18:53:35 EpicStorage kernel: [] syscall_call+0x7/0xb
Jun 27 18:53:35 EpicStorage kernel: Mem-Info:
Jun 27 18:53:35 EpicStorage kernel: DMA per-cpu:
Jun 27 18:53:35 EpicStorage kernel: CPU 0: hi: 0, btch: 1 usd: 0
Jun 27 18:53:35 EpicStorage kernel: CPU 1: hi: 0, btch: 1 usd: 0
Jun 27 18:53:35 EpicStorage kernel: CPU 2: hi: 0, btch: 1 usd: 0
Jun 27 18:53:35 EpicStorage kernel: CPU 3: hi: 0, btch: 1 usd: 0
Jun 27 18:53:35 EpicStorage kernel: Normal per-cpu:
Jun 27 18:53:35 EpicStorage kernel: CPU 0: hi: 186, btch: 31 usd: 159
Jun 27 18:53:35 EpicStorage kernel: CPU 1: hi: 186, btch: 31 usd: 160
Jun 27 18:53:35 EpicStorage kernel: CPU 2: hi: 186, btch: 31 usd: 183
Jun 27 18:53:35 EpicStorage kernel: CPU 3: hi: 186, btch: 31 usd: 166
Jun 27 18:53:35 EpicStorage kernel: HighMem per-cpu:
Jun 27 18:53:35 EpicStorage kernel: CPU 0: hi: 186, btch: 31 usd: 184
Jun 27 18:53:35 EpicStorage kernel: CPU 1: hi: 186, btch: 31 usd: 134
Jun 27 18:53:35 EpicStorage kernel: CPU 2: hi: 186, btch: 31 usd: 180
Jun 27 18:53:35 EpicStorage kernel: CPU 3: hi: 186, btch: 31 usd: 158
Jun 27 18:53:35 EpicStorage kernel: active_anon:3648 inactive_anon:1240 isolated_anon:0
Jun 27 18:53:35 EpicStorage kernel: active_file:910 inactive_file:754 isolated_file:32
Jun 27 18:53:35 EpicStorage kernel: unevictable:922274 dirty:6 writeback:1226 unstable:0
Jun 27 18:53:35 EpicStorage kernel: free:29070 slab_reclaimable:3414 slab_unreclaimable:2597
Jun 27 18:53:35 EpicStorage kernel: mapped:2250 shmem:0 pagetables:183 bounce:374
Jun 27 18:53:35 EpicStorage kernel: DMA free:14232kB min:64kB low:80kB high:96kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:728kB isolated(anon):0kB isolated(file):0kB present:15860kB mlocked:0kB dirty:0kB writeback:0kB mapped:0kB shmem:0kB slab_reclaimable:0kB slab_unreclaimable:992kB kernel_stack:0kB pagetables:0kB unstable:0kB bounce:0kB writeback_tmp:0kB pages_scanned:0 all_unreclaimable? yes
Jun 27 18:53:35 EpicStorage kernel: lowmem_reserve[]: 0 867 3784 3784
Jun 27 18:53:35 EpicStorage kernel: Normal free:96468kB min:3732kB low:4664kB high:5596kB active_anon:808kB inactive_anon:952kB active_file:3448kB inactive_file:3016kB unevictable:701664kB isolated(anon):128kB isolated(file):0kB present:887976kB mlocked:0kB dirty:20kB writeback:1040kB mapped:4kB shmem:0kB slab_reclaimable:13656kB slab_unreclaimable:9396kB kernel_stack:1008kB pagetables:16kB unstable:0kB bounce:1496kB writeback_tmp:0kB pages_scanned:5159 all_unreclaimable? no
Jun 27 18:53:35 EpicStorage kernel: lowmem_reserve[]: 0 0 23342 23342
Jun 27 18:53:35 EpicStorage kernel: HighMem free:5580kB min:512kB low:3652kB high:6792kB active_anon:13784kB inactive_anon:3860kB active_file:44kB inactive_file:0kB unevictable:2986704kB isolated(anon):0kB isolated(file):0kB present:2987860kB mlocked:0kB dirty:4kB writeback:3864kB mapped:8996kB shmem:0kB slab_reclaimable:0kB slab_unreclaimable:0kB kernel_stack:0kB pagetables:716kB unstable:0kB bounce:0kB writeback_tmp:0kB pages_scanned:4343 all_unreclaimable? no
Jun 27 18:53:35 EpicStorage kernel: lowmem_reserve[]: 0 0 0 0
Jun 27 18:53:35 EpicStorage kernel: DMA: 2*4kB 2*8kB 2*16kB 13*32kB 5*64kB 5*128kB 2*256kB 0*512kB 2*1024kB 1*2048kB 2*4096kB = 14232kB
Jun 27 18:53:35 EpicStorage kernel: Normal: 23443*4kB 25*8kB 2*16kB 0*32kB 1*64kB 2*128kB 4*256kB 0*512kB 1*1024kB 0*2048kB 0*4096kB = 96372kB
Jun 27 18:53:35 EpicStorage kernel: HighMem: 1302*4kB 46*8kB 2*16kB 3*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5704kB
Jun 27 18:53:35 EpicStorage kernel: 925536 total pagecache pages
Jun 27 18:53:35 EpicStorage kernel: 1633 pages in swap cache
Jun 27 18:53:35 EpicStorage kernel: Swap cache stats: add 169386, delete 167753, find 50818/81842
Jun 27 18:53:35 EpicStorage kernel: Free swap = 2066680kB
Jun 27 18:53:35 EpicStorage kernel: Total swap = 2097144kB
Jun 27 18:53:35 EpicStorage kernel: 1146880 pages RAM
Jun 27 18:53:35 EpicStorage kernel: 919042 pages HighMem
Jun 27 18:53:35 EpicStorage kernel: 175313 pages reserved
Jun 27 18:53:35 EpicStorage kernel: 8591 pages shared
Jun 27 18:53:35 EpicStorage kernel: 936554 pages non-shared
Jun 27 18:53:35 EpicStorage kernel: Out of memory: kill process 8067 (python) score 3186 or a child
Jun 27 18:53:35 EpicStorage kernel: Killed process 8067 (python)
Jun 27 18:53:35 EpicStorage kernel: python invoked oom-killer: gfp_mask=0x200d2, order=0, oom_adj=0
Jun 27 18:53:35 EpicStorage kernel: Pid: 8089, comm: python Not tainted 2.6.32.9-unRAID #2
Jun 27 18:53:35 EpicStorage kernel: Call Trace:
Jun 27 18:53:35 EpicStorage kernel: [] oom_kill_process+0x59/0x1cd
Jun 27 18:53:35 EpicStorage kernel: [] __out_of_memory+0xef/0x102
Jun 27 18:53:35 EpicStorage kernel: [] out_of_memory+0x5e/0x83
Jun 27 18:53:35 EpicStorage kernel: [] __alloc_pages_nodemask+0x375/0x42f
Jun 27 18:53:35 EpicStorage kernel: [] grab_cache_page_write_begin+0x54/0x8e
Jun 27 18:53:35 EpicStorage kernel: [] simple_write_begin+0x1e/0x50
Jun 27 18:53:35 EpicStorage kernel: [] generic_file_buffered_write+0xb9/0x1de
Jun 27 18:53:35 EpicStorage kernel: [] __generic_file_aio_write+0x3ca/0x404
Jun 27 18:53:35 EpicStorage kernel: [] ? mntput_no_expire+0x16/0x74
Jun 27 18:53:35 EpicStorage kernel: [] generic_file_aio_write+0x54/0x95
Jun 27 18:53:35 EpicStorage kernel: [] do_sync_write+0xbb/0xf9
Jun 27 18:53:35 EpicStorage kernel: [] ? cp_new_stat64+0xe8/0xfa
Jun 27 18:53:35 EpicStorage kernel: [] ? autoremove_wake_function+0x0/0x30
Jun 27 18:53:35 EpicStorage kernel: [] ? __rcu_process_callbacks+0xce/0x1f9
Jun 27 18:53:35 EpicStorage kernel: [] ? do_sync_write+0x0/0xf9
Jun 27 18:53:35 EpicStorage kernel: [] vfs_write+0x8c/0x116
Jun 27 18:53:35 EpicStorage kernel: [] sys_write+0x3b/0x60
Jun 27 18:53:35 EpicStorage kernel: [] syscall_call+0x7/0xb
Jun 27 18:53:35 EpicStorage kernel: Mem-Info:
Jun 27 18:53:35 EpicStorage kernel: DMA per-cpu:
Jun 27 18:53:35 EpicStorage kernel: CPU 0: hi: 0, btch: 1 usd: 0
Jun 27 18:53:35 EpicStorage kernel: CPU 1: hi: 0, btch: 1 usd: 0
Jun 27 18:53:35 EpicStorage kernel: CPU 2: hi: 0, btch: 1 usd: 0
Jun 27 18:53:35 EpicStorage kernel: CPU 3: hi: 0, btch: 1 usd: 0
Jun 27 18:53:35 EpicStorage kernel: Normal per-cpu:
Jun 27 18:53:35 EpicStorage kernel: CPU 0: hi: 186, btch: 31 usd: 156
Jun 27 18:53:35 EpicStorage kernel: CPU 1: hi: 186, btch: 31 usd: 159
Jun 27 18:53:35 EpicStorage kernel: CPU 2: hi: 186, btch: 31 usd: 155
Jun 27 18:53:35 EpicStorage kernel: CPU 3: hi: 186, btch: 31 usd: 168
Jun 27 18:53:35 EpicStorage kernel: HighMem per-cpu:
Jun 27 18:53:35 EpicStorage kernel: CPU 0: hi: 186, btch: 31 usd: 140
Jun 27 18:53:35 EpicStorage kernel: CPU 1: hi: 186, btch: 31 usd: 21
Jun 27 18:53:35 EpicStorage kernel: CPU 2: hi: 186, btch: 31 usd: 179
Jun 27 18:53:35 EpicStorage kernel: CPU 3: hi: 186, btch: 31 usd: 43
Jun 27 18:53:35 EpicStorage kernel: active_anon:3648 inactive_anon:1245 isolated_anon:0
Jun 27 18:53:35 EpicStorage kernel: active_file:822 inactive_file:1011 isolated_file:32
Jun 27 18:53:35 EpicStorage kernel: unevictable:922274 dirty:116 writeback:1226 unstable:0
Jun 27 18:53:35 EpicStorage kernel: free:29070 slab_reclaimable:3414 slab_unreclaimable:2597
Jun 27 18:53:35 EpicStorage kernel: mapped:2250 shmem:0 pagetables:183 bounce:374
Jun 27 18:53:35 EpicStorage kernel: DMA free:14232kB min:64kB low:80kB high:96kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:728kB isolated(anon):0kB isolated(file):0kB present:15860kB mlocked:0kB dirty:0kB writeback:0kB mapped:0kB shmem:0kB slab_reclaimable:0kB slab_unreclaimable:992kB kernel_stack:0kB pagetables:0kB unstable:0kB bounce:0kB writeback_tmp:0kB pages_scanned:0 all_unreclaimable? yes
Jun 27 18:53:35 EpicStorage kernel: lowmem_reserve[]: 0 867 3784 3784
Jun 27 18:53:35 EpicStorage kernel: Normal free:96468kB min:3732kB low:4664kB high:5596kB active_anon:808kB inactive_anon:1120kB active_file:3244kB inactive_file:3164kB unevictable:701664kB isolated(anon):0kB isolated(file):128kB present:887976kB mlocked:0kB dirty:20kB writeback:1040kB mapped:4kB shmem:0kB slab_reclaimable:13656kB slab_unreclaimable:9396kB kernel_stack:1008kB pagetables:16kB unstable:0kB bounce:1496kB writeback_tmp:0kB pages_scanned:608 all_unreclaimable? no
Jun 27 18:53:35 EpicStorage kernel: lowmem_reserve[]: 0 0 23342 23342
Jun 27 18:53:35 EpicStorage kernel: HighMem free:5580kB min:512kB low:3652kB high:6792kB active_anon:13784kB inactive_anon:3860kB active_file:44kB inactive_file:880kB unevictable:2986704kB isolated(anon):0kB isolated(file):0kB present:2987860kB mlocked:0kB dirty:444kB writeback:3864kB mapped:8996kB shmem:0kB slab_reclaimable:0kB slab_unreclaimable:0kB kernel_stack:0kB pagetables:716kB unstable:0kB bounce:0kB writeback_tmp:0kB pages_scanned:4919 all_unreclaimable? no
Jun 27 18:53:35 EpicStorage kernel: lowmem_reserve[]: 0 0 0 0
Jun 27 18:53:35 EpicStorage kernel: DMA: 2*4kB 2*8kB 2*16kB 13*32kB 5*64kB 5*128kB 2*256kB 0*512kB 2*1024kB 1*2048kB 2*4096kB = 14232kB
Jun 27 18:53:35 EpicStorage kernel: Normal: 23466*4kB 34*8kB 2*16kB 1*32kB 1*64kB 2*128kB 4*256kB 0*512kB 1*1024kB 0*2048kB 0*4096kB = 96568kB
Jun 27 18:53:35 EpicStorage kernel: HighMem: 1271*4kB 46*8kB 2*16kB 3*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5580kB
Jun 27 18:53:35 EpicStorage kernel: 925811 total pagecache pages
Jun 27 18:53:35 EpicStorage kernel: 1641 pages in swap cache
Jun 27 18:53:35 EpicStorage kernel: Swap cache stats: add 169403, delete 167762, find 50872/81902
Jun 27 18:53:35 EpicStorage kernel: Free swap = 2066680kB
Jun 27 18:53:35 EpicStorage kernel: Total swap = 2097144kB
Jun 27 18:53:35 EpicStorage kernel: 1146880 pages RAM
Jun 27 18:53:35 EpicStorage kernel: 919042 pages HighMem
Jun 27 18:53:35 EpicStorage kernel: 175313 pages reserved
Jun 27 18:53:35 EpicStorage kernel: 8866 pages shared
Jun 27 18:53:35 EpicStorage kernel: 936530 pages non-shared
Jun 27 18:53:35 EpicStorage kernel: Out of memory: kill process 1464 (atd) score 418 or a child
Jun 27 18:53:35 EpicStorage kernel: Killed process 1464 (atd)

Sorry, syslog:

Trust me, that is not the full syslog, but you are correct, even with the huge swapfile, you are out of memory. 

 

Obiously, you are running your own distribution... You might need to adjust some tunables to permit the swapfile to be used.  Right now, it looks like your buffer cache is using all the physical RAM.

 

Joe L.

What stuff did you install?

I had the same issue, I had to change the vm.cache_pressure to a higher value.

  • Author

Trust me, that is not the full syslog, but you are correct, even with the huge swapfile, you are out of memory. 

 

Obiously, you are running your own distribution... You might need to adjust some tunables to permit the swapfile to be used.  Right now, it looks like your buffer cache is using all the physical RAM.

 

Nope, using the standard unRAID, I installed the swap space from unRaid menu.

 

I also install nano, unraid-web and sabnzbd

Trust me, that is not the full syslog, but you are correct, even with the huge swapfile, you are out of memory. 

 

Obiously, you are running your own distribution... You might need to adjust some tunables to permit the swapfile to be used.  Right now, it looks like your buffer cache is using all the physical RAM.

 

Nope, using the standard unRAID, I installed the swap space from unRaid menu.

 

I also install nano, unraid-web and sabnzbd

I'm assuming you meant the unMENU package manager. 

 

Try adjusting the cache_pressure, as Weebotech mentioned.

Type:

sysctl vm.vfs_cache_pressure=200

 

I do these massive rsync backups.

before I do them I have to drop the cache with

 

echo 3 > /proc/sys/vm/drop_caches

 

You can try adjusting the following tunables

/proc/sys/vm/swappiness

/proc/sys/vm/vfs_cache_pressure

 

I set mine to the following values until I get to the bottom of the situation.

root@Atlas /mnt/disk2/backups/bin #more /proc/sys/vm/vfs_cache_pressure /proc/sys/vm/swappiness

::::::::::::::

/proc/sys/vm/vfs_cache_pressure

::::::::::::::

50

::::::::::::::

/proc/sys/vm/swappiness

::::::::::::::

100

I just do not have the time to debug this. My issue is when I do an updatedb with mlocate across the whole filesystem.

(another reason I'm writing my own locate tool).

 

  • Author

I sloved the problem, two fold;

 

vm.vfs_cache_pressure made it better, but the main thing was that sabnzbd was caching everything it downloaded into memory, so the 9GB file i was downloading was all being put into memory. Cheers for the help.

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