[Jenkins-infra] JIRA and Confluence incident
R. Tyler Croy
tyler at monkeypox.org
Tue Dec 17 16:59:52 UTC 2013
Looks like both JIRA and Confluence croaked overnight due to some OOM killer
related failures.
If you have access to eggplant, you'll see some errors like these in
/var/log/messages:
Dec 17 15:56:00 eggplant kernel: [12940965.080527] lowmem_reserve[]: 0 0 0 0
Dec 17 15:56:00 eggplant kernel: [12940965.080529] Node 0 DMA: 3*4kB 53*8kB 22*16kB 24*32kB 11*64kB 7*128kB 1*256kB 1*512kB 0*1024kB 3*2048kB 0*4096kB = 10068kB
Dec 17 15:56:00 eggplant kernel: [12940965.080535] Node 0 DMA32: 1099*4kB 10*8kB 0*16kB 10*32kB 8*64kB 2*128kB 1*256kB 1*512kB 0*1024kB 0*2048kB 0*4096kB = 6332kB
Dec 17 15:56:00 eggplant kernel: [12940965.080541] 14000 total pagecache pages
Dec 17 15:56:00 eggplant kernel: [12940965.080542] 13790 pages in swap cache
Dec 17 15:56:00 eggplant kernel: [12940965.080547] Swap cache stats: add 9876006, delete 9862216, find 78826484/80335245
Dec 17 15:56:00 eggplant kernel: [12940965.080548] Free swap = 0kB
Dec 17 15:56:00 eggplant kernel: [12940965.080549] Total swap = 530140kB
Dec 17 15:56:00 eggplant kernel: [12940965.085462] 655341 pages RAM
Dec 17 15:56:00 eggplant kernel: [12940965.085464] 12119 pages reserved
Dec 17 15:56:00 eggplant kernel: [12940965.085465] 975 pages shared
Dec 17 15:56:00 eggplant kernel: [12940965.085466] 637807 pages non-shared
Dec 17 15:56:00 eggplant kernel: [12940965.090869] apache2 invoked oom-killer: gfp_mask=0x201da, order=0, oom_adj=0
Dec 17 15:56:00 eggplant kernel: [12940965.090869] apache2 cpuset=/ mems_allowed=0
Dec 17 15:56:00 eggplant kernel: [12940965.090869] Pid: 18262, comm: apache2 Not tainted 2.6.35-24-virtual #42-Ubuntu
Dec 17 15:56:00 eggplant kernel: [12940965.090869] Call Trace:
Dec 17 15:56:00 eggplant kernel: [12940965.090869] [<ffffffff810ae6dd>] ? cpuset_print_task_mems_allowed+0x9d/0xb0
Dec 17 15:56:00 eggplant kernel: [12940965.090869] [<ffffffff81103891>] dump_header+0x81/0xc0
Dec 17 15:56:00 eggplant kernel: [12940965.090869] [<ffffffff81103951>] oom_kill_process+0x81/0x180
Dec 17 15:56:00 eggplant kernel: [12940965.090869] [<ffffffff81103e88>] __out_of_memory+0x58/0xd0
Dec 17 15:56:00 eggplant kernel: [12940965.090869] [<ffffffff81103f86>] out_of_memory+0x86/0x1c0
Dec 17 15:56:00 eggplant kernel: [12940965.090869] [<ffffffff811079de>] __alloc_pages_slowpath+0x58e/0x5a0
Dec 17 15:56:00 eggplant kernel: [12940965.090869] [<ffffffff81107b54>] __alloc_pages_nodemask+0x164/0x1d0
Dec 17 15:56:00 eggplant kernel: [12940965.090869] [<ffffffff81139cca>] alloc_pages_current+0x9a/0x100
Dec 17 15:56:00 eggplant kernel: [12940965.090869] [<ffffffff81100fa7>] __page_cache_alloc+0x87/0x90
Dec 17 15:56:00 eggplant kernel: [12940965.090869] [<ffffffff8110b119>] __do_page_cache_readahead+0xc9/0x210
Dec 17 15:56:00 eggplant kernel: [12940965.090869] [<ffffffff8110b281>] ra_submit+0x21/0x30
Dec 17 15:56:00 eggplant kernel: [12940965.090869] [<ffffffff81102793>] filemap_fault+0x3f3/0x450
Dec 17 15:56:00 eggplant kernel: [12940965.090869] [<ffffffff8111d684>] __do_fault+0x54/0x560
Dec 17 15:56:00 eggplant kernel: [12940965.090869] [<ffffffff81120629>] handle_mm_fault+0x1b9/0x440
Dec 17 15:56:00 eggplant kernel: [12940965.090869] [<ffffffff81036079>] ? kvm_clock_get_cycles+0x9/0x10
Dec 17 15:56:00 eggplant kernel: [12940965.090869] [<ffffffff81089649>] ? ktime_get_ts+0xa9/0xe0
Dec 17 15:56:00 eggplant kernel: [12940965.090869] [<ffffffff815a82b5>] do_page_fault+0x125/0x350
Dec 17 15:56:00 eggplant kernel: [12940965.090869] [<ffffffff815a4e35>] page_fault+0x25/0x30
Dec 17 15:56:00 eggplant kernel: [12940965.090869] Mem-Info:
Dec 17 15:56:00 eggplant kernel: [12940965.090869] Node 0 DMA per-cpu:
Dec 17 15:56:00 eggplant kernel: [12940965.090869] CPU 0: hi: 0, btch: 1 usd: 0
Dec 17 15:56:00 eggplant kernel: [12940965.090869] CPU 1: hi: 0, btch: 1 usd: 0
Dec 17 15:56:00 eggplant kernel: [12940965.090869] Node 0 DMA32 per-cpu:
Dec 17 15:56:00 eggplant kernel: [12940965.090869] CPU 0: hi: 186, btch: 31 usd: 0
Dec 17 15:56:00 eggplant kernel: [12940965.090869] CPU 1: hi: 186, btch: 31 usd: 32
Dec 17 15:56:00 eggplant kernel: [12940965.090869] active_anon:488663 inactive_anon:122659 isolated_anon:0
Dec 17 15:56:00 eggplant kernel: [12940965.090869] active_file:0 inactive_file:0 isolated_file:0
Dec 17 15:56:00 eggplant kernel: [12940965.090869] unevictable:0 dirty:0 writeback:0 unstable:0
Dec 17 15:56:00 eggplant kernel: [12940965.090869] free:4099 slab_reclaimable:3046 slab_unreclaimable:5062
Dec 17 15:56:00 eggplant kernel: [12940965.090869] mapped:69 shmem:149 pagetables:2419 bounce:0
Dec 17 15:56:00 eggplant kernel: [12940965.090869] Node 0 DMA free:10064kB min:36kB low:44kB high:52kB active_anon:2304kB inactive_anon:2548kB active_file:0kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB present:15700kB mlocked:0kB dirty:0kB writeback:0kB mapped:0kB shmem:0kB slab_reclaimable:180kB slab_unreclaimable:732kB kernel_stack:48kB pagetables:8kB unstable:0kB bounce:0kB writeback_tmp:0kB pages_scanned:0 all_unreclaimable? yes
Dec 17 15:56:00 eggplant kernel: [12940965.090869] lowmem_reserve[]: 0 2509 2509 2509
Dec 17 15:56:00 eggplant kernel: [12940965.090869] Node 0 DMA32 free:6332kB min:6388kB low:7984kB high:9580kB active_anon:1952348kB inactive_anon:488088kB active_file:0kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB present:2569428kB mlocked:0kB dirty:0kB writeback:0kB mapped:276kB shmem:596kB slab_reclaimable:12004kB slab_unreclaimable:19516kB kernel_stack:5224kB pagetables:9668kB unstable:0kB bounce:0kB writeback_tmp:0kB pages_scanned:256 all_unreclaimable? yes
Dec 17 15:56:00 eggplant kernel: [12940965.090869] lowmem_reserve[]: 0 0 0 0
Dec 17 15:56:00 eggplant kernel: [12940965.090869] Node 0 DMA: 3*4kB 53*8kB 22*16kB 24*32kB 11*64kB 7*128kB 1*256kB 1*512kB 0*1024kB 3*2048kB 0*4096kB = 10068kB
Dec 17 15:56:00 eggplant kernel: [12940965.090869] Node 0 DMA32: 1120*4kB 11*8kB 0*16kB 10*32kB 8*64kB 2*128kB 1*256kB 1*512kB 0*1024kB 0*2048kB 0*4096kB = 6424kB
Dec 17 15:56:00 eggplant kernel: [12940965.090869] 14000 total pagecache pages
Dec 17 15:56:00 eggplant kernel: [12940965.090869] 13798 pages in swap cache
Dec 17 15:56:00 eggplant kernel: [12940965.090869] Swap cache stats: add 9876020, delete 9862222, find 78826486/80335257
Dec 17 15:56:00 eggplant kernel: [12940965.090869] Free swap = 0kB
Dec 17 15:56:00 eggplant kernel: [12940965.090869] Total swap = 530140kB
Dec 17 15:56:00 eggplant kernel: [12940965.095423] 655341 pages RAM
Dec 17 15:56:00 eggplant kernel: [12940965.095425] 12119 pages reserved
Dec 17 15:56:00 eggplant kernel: [12940965.095426] 975 pages shared
Dec 17 15:56:00 eggplant kernel: [12940965.095427] 637808 pages non-shared
I'm bringing these services back online now
- R. Tyler Croy
------------------
Code: https://github.com/rtyler
Chatter: https://twitter.com/agentdero
rtyler at jabber.org
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