是时候换Blog程序了
由于现在的 Blog 是放到 DO 的 VPS 上的，内存只有可怜的 512M，导致现在的经常性的 OOM，虽然我已经增加量 1G 的 swap 空间，仍然作用不大，贴一个日志让大家感受下：
Jun 29 09:17:43 zlb kernel: [15847900.740029] mysqld invoked oom-killer: gfp_mask=0x201da, order=0, oom_score_adj=0
Jun 29 09:17:44 zlb kernel: [15847900.742638] mysqld cpuset=/ mems_allowed=0
Jun 29 09:17:44 zlb kernel: [15847900.742661] CPU: 0 PID: 30714 Comm: mysqld Not tainted 3.13.0-27-generic #50-Ubuntu
Jun 29 09:17:44 zlb kernel: [15847900.742663] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
Jun 29 09:17:44 zlb kernel: [15847900.742665] 0000000000000000 ffff88001c9f7978 ffffffff817199c4 ffff880019ef5fc0
Jun 29 09:17:44 zlb kernel: [15847900.742972] ffff88001c9f7a00 ffffffff817142ff ffffffff81067876 ffff88001c9f79d8
Jun 29 09:17:44 zlb kernel: [15847900.742975] ffffffff810c74dc ffffffff811a1b16 ffff88001fffae28 ffffffff8104ea2e
Jun 29 09:17:44 zlb kernel: [15847900.742977] Call Trace:
Jun 29 09:17:44 zlb kernel: [15847900.743385] [<ffffffff817199c4>] dump_stack+0x45/0x56
Jun 29 09:17:44 zlb kernel: [15847900.743390] [<ffffffff817142ff>] dump_header+0x7f/0x1f1
Jun 29 09:17:44 zlb kernel: [15847900.743435] [<ffffffff81067876>] ? put_online_cpus+0x56/0x80
Jun 29 09:17:44 zlb kernel: [15847900.743448] [<ffffffff810c74dc>] ? rcu_oom_notify+0xcc/0xf0
Jun 29 09:17:44 zlb kernel: [15847900.743486] [<ffffffff811a1b16>] ? kmem_cache_alloc_trace+0x1c6/0x1f0
Jun 29 09:17:44 zlb kernel: [15847900.743503] [<ffffffff8104ea2e>] ? kvm_async_pf_task_wake+0x8e/0x110
Jun 29 09:17:44 zlb kernel: [15847900.743520] [<ffffffff8115196e>] oom_kill_process+0x1ce/0x330
Jun 29 09:17:44 zlb kernel: [15847900.743554] [<ffffffff812d3395>] ? security_capable_noaudit+0x15/0x20
Jun 29 09:17:44 zlb kernel: [15847900.743556] [<ffffffff811520a4>] out_of_memory+0x414/0x450
Jun 29 09:17:44 zlb kernel: [15847900.743560] [<ffffffff81158377>] __alloc_pages_nodemask+0xa87/0xb20
Jun 29 09:17:44 zlb kernel: [15847900.743562] [<ffffffff81196333>] alloc_pages_current+0xa3/0x160
Jun 29 09:17:44 zlb kernel: [15847900.743569] [<ffffffff8114e567>] __page_cache_alloc+0x97/0xc0
Jun 29 09:17:44 zlb kernel: [15847900.743572] [<ffffffff8114ff75>] filemap_fault+0x185/0x410
Jun 29 09:17:44 zlb kernel: [15847900.743578] [<ffffffff8117485f>] __do_fault+0x6f/0x530
Jun 29 09:17:44 zlb kernel: [15847900.743581] [<ffffffff81178a02>] handle_mm_fault+0x492/0xf10
Jun 29 09:17:44 zlb kernel: [15847900.743588] [<ffffffff8109df24>] ? arch_vtime_task_switch+0x94/0xa0
Jun 29 09:17:44 zlb kernel: [15847900.743590] [<ffffffff8109df54>] ? vtime_common_task_switch+0x24/0x40
Jun 29 09:17:44 zlb kernel: [15847900.743598] [<ffffffff81097498>] ? finish_task_switch+0x128/0x170
Jun 29 09:17:44 zlb kernel: [15847900.743607] [<ffffffff81720202>] ? mutex_lock+0x12/0x2f
Jun 29 09:17:44 zlb kernel: [15847900.743615] [<ffffffff81725924>] __do_page_fault+0x184/0x560
Jun 29 09:17:44 zlb kernel: [15847900.743638] [<ffffffff8101b7d9>] ? sched_clock+0x9/0x10
Jun 29 09:17:44 zlb kernel: [15847900.743641] [<ffffffff8109d13d>] ? sched_clock_local+0x1d/0x80
Jun 29 09:17:44 zlb kernel: [15847900.743658] [<ffffffff811112ec>] ? acct_account_cputime+0x1c/0x20
Jun 29 09:17:44 zlb kernel: [15847900.743661] [<ffffffff8109d76b>] ? account_user_time+0x8b/0xa0
Jun 29 09:17:44 zlb kernel: [15847900.743662] [<ffffffff8109dd84>] ? vtime_account_user+0x54/0x60
Jun 29 09:17:44 zlb kernel: [15847900.743665] [<ffffffff81725d1a>] do_page_fault+0x1a/0x70
Jun 29 09:17:44 zlb kernel: [15847900.743667] [<ffffffff81725399>] do_async_page_fault+0x29/0xe0
Jun 29 09:17:44 zlb kernel: [15847900.743670] [<ffffffff817221b8>] async_page_fault+0x28/0x30
Jun 29 09:17:44 zlb kernel: [15847900.743672] Mem-Info:
Jun 29 09:17:44 zlb kernel: [15847900.743674] Node 0 DMA per-cpu:
Jun 29 09:17:44 zlb kernel: [15847900.743954] CPU 0: hi: 0, btch: 1 usd: 0
Jun 29 09:17:44 zlb kernel: [15847900.743957] Node 0 DMA32 per-cpu:
Jun 29 09:17:44 zlb kernel: [15847900.743959] CPU 0: hi: 186, btch: 31 usd: 4
Jun 29 09:17:44 zlb kernel: [15847900.743963] active_anon:46557 inactive_anon:46639 isolated_anon:0
Jun 29 09:17:44 zlb kernel: [15847900.743963] active_file:37 inactive_file:49 isolated_file:0
Jun 29 09:17:44 zlb kernel: [15847900.743963] unevictable:0 dirty:0 writeback:0 unstable:0
Jun 29 09:17:44 zlb kernel: [15847900.743963] free:1174 slab_reclaimable:2934 slab_unreclaimable:8396
Jun 29 09:17:44 zlb kernel: [15847900.743963] mapped:27514 shmem:28359 pagetables:12997 bounce:0
Jun 29 09:17:44 zlb kernel: [15847900.743963] free_cma:0
Jun 29 09:17:44 zlb kernel: [15847900.743966] Node 0 DMA free:1964kB min:88kB low:108kB high:132kB active_anon:3176kB inactive_anon:3492kB active_file:8kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB present:15992kB managed:15908kB mlocked:0kB dirty:0kB writeback:0kB mapped:1768kB shmem:1788kB slab_reclaimable:1132kB slab_unreclaimable:1936kB kernel_stack:1336kB pagetables:716kB unstable:0kB bounce:0kB free_cma:0kB writeback_tmp:0kB pages_scanned:13 all_unreclaimable? yes
Jun 29 09:17:44 zlb kernel: [15847900.743975] lowmem_reserve[]: 0 471 471 471
Jun 29 09:17:44 zlb kernel: [15847900.743979] Node 0 DMA32 free:2732kB min:2732kB low:3412kB high:4096kB active_anon:183052kB inactive_anon:183064kB active_file:140kB inactive_file:196kB unevictable:0kB isolated(anon):0kB isolated(file):0kB present:507896kB managed:485940kB mlocked:0kB dirty:0kB writeback:0kB mapped:108288kB shmem:111648kB slab_reclaimable:10604kB slab_unreclaimable:31648kB kernel_stack:3560kB pagetables:51272kB unstable:0kB bounce:0kB free_cma:0kB writeback_tmp:0kB pages_scanned:535 all_unreclaimable? yes
Jun 29 09:17:44 zlb kernel: [15847900.743997] lowmem_reserve[]: 0 0 0 0
Jun 29 09:17:44 zlb kernel: [15847900.743999] Node 0 DMA: 33*4kB (E) 191*8kB (UEMR) 17*16kB (MR) 1*32kB (R) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 1964kB
Jun 29 09:17:44 zlb kernel: [15847900.744036] Node 0 DMA32: 181*4kB (UEM) 134*8kB (UEMR) 13*16kB (EM) 3*32kB (R) 2*64kB (R) 4*128kB (R) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 2740kB
Jun 29 09:17:44 zlb kernel: [15847900.744047] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
Jun 29 09:17:44 zlb kernel: [15847900.744048] 47613 total pagecache pages
Jun 29 09:17:44 zlb kernel: [15847900.744050] 19172 pages in swap cache
Jun 29 09:17:44 zlb kernel: [15847900.744053] Swap cache stats: add 3213543, delete 3194371, find 3380499/3672513
Jun 29 09:17:44 zlb kernel: [15847900.744054] Free swap = 0kB
Jun 29 09:17:44 zlb kernel: [15847900.744055] Total swap = 1023996kB
Jun 29 09:17:44 zlb kernel: [15847900.744056] 130972 pages RAM
Jun 29 09:17:44 zlb kernel: [15847900.744057] 0 pages HighMem/MovableOnly
Jun 29 09:17:44 zlb kernel: [15847900.744058] 5489 pages reserved
Jun 29 09:17:44 zlb kernel: [15847900.744059] [ pid ] uid tgid total_vm rss nr_ptes swapents oom_score_adj name
Jun 29 09:17:44 zlb kernel: [15847900.744064] [ 343] 0 343 4902 0 13 80 0 upstart-udev-br
Jun 29 09:17:44 zlb kernel: [15847900.744067] [ 352] 0 352 12803 0 27 134 -1000 systemd-udevd
Jun 29 09:17:44 zlb kernel: [15847900.744069] [ 365] 102 365 9807 0 24 100 0 dbus-daemon
Jun 29 09:17:44 zlb kernel: [15847900.744071] [ 422] 0 422 10863 1 25 93 0 systemd-logind
Jun 29 09:17:44 zlb kernel: [15847900.744072] [ 444] 0 444 3852 0 11 82 0 upstart-file-br
Jun 29 09:17:44 zlb kernel: [15847900.744075] [ 779] 0 779 3914 0 12 141 0 upstart-socket-
Jun 29 09:17:44 zlb kernel: [15847900.744076] [ 849] 0 849 3955 1 12 41 0 getty
Jun 29 09:17:44 zlb kernel: [15847900.744078] [ 853] 0 853 3955 1 13 41 0 getty
Jun 29 09:17:44 zlb kernel: [15847900.744080] [ 861] 0 861 3955 1 13 39 0 getty
Jun 29 09:17:44 zlb kernel: [15847900.744081] [ 862] 0 862 3955 1 12 39 0 getty
Jun 29 09:17:44 zlb kernel: [15847900.744083] [ 867] 0 867 3955 1 13 41 0 getty
Jun 29 09:17:44 zlb kernel: [15847900.744085] [ 901] 0 901 3786 0 11 69 0 starter
Jun 29 09:17:44 zlb kernel: [15847900.744087] [ 904] 0 904 188212 0 75 606 0 charon
Jun 29 09:17:44 zlb kernel: [15847900.744089] [ 909] 0 909 15341 0 34 173 -1000 sshd
Jun 29 09:17:44 zlb kernel: [15847900.744090] [ 914] 0 914 1092 0 8 36 0 acpid
Jun 29 09:17:44 zlb kernel: [15847900.744092] [ 915] 0 915 5914 1 17 62 0 cron
Jun 29 09:17:44 zlb kernel: [15847900.744094] [ 916] 0 916 4785 0 13 42 0 atd
Jun 29 09:17:44 zlb kernel: [15847900.744096] [ 933] 105 933 83921 0 62 324 0 whoopsie
Jun 29 09:17:44 zlb kernel: [15847900.744098] [ 1012] 109 1012 1874 1 9 35 0 epmd
Jun 29 09:17:44 zlb kernel: [15847900.744100] [ 1208] 0 1208 6336 13 16 64 0 master
Jun 29 09:17:44 zlb kernel: [15847900.744101] [ 1212] 107 1212 6893 0 18 85 0 qmgr
Jun 29 09:17:44 zlb kernel: [15847900.744103] [ 1226] 0 1226 2671 0 10 43 0 pptpd
Jun 29 09:17:44 zlb kernel: [15847900.744105] [ 1392] 0 1392 3955 1 13 40 0 getty
Jun 29 09:17:44 zlb kernel: [15847900.744107] [20601] 0 20601 26260 162 53 939 0 apache2
Jun 29 09:17:44 zlb kernel: [15847900.744109] [20903] 110 20903 13652 1 28 345 0 freshclam
Jun 29 09:17:44 zlb kernel: [15847900.744111] [ 2653] 101 2653 64154 0 39 6835 0 rsyslogd
Jun 29 09:17:44 zlb kernel: [15847900.744113] [ 9233] 109 9233 155041 0 63 9920 0 beam
Jun 29 09:17:44 zlb kernel: [15847900.744114] [ 9459] 109 9459 1865 0 9 37 0 inet_gethost
Jun 29 09:17:44 zlb kernel: [15847900.744116] [ 9460] 109 9460 3446 1 12 39 0 inet_gethost
Jun 29 09:17:44 zlb kernel: [15847900.744118] [30310] 0 30310 6293 28 16 301 0 tmux
Jun 29 09:17:44 zlb kernel: [15847900.744119] [30311] 0 30311 5704 2 16 562 0 bash
Jun 29 09:17:44 zlb kernel: [15847900.744130] [30356] 0 30356 1111 1 7 39 0 mysqld_safe
Jun 29 09:17:44 zlb kernel: [15847900.744133] [30705] 106 30705 223086 731 89 15800 0 mysqld
Jun 29 09:17:44 zlb kernel: [15847900.744135] [12526] 33 12526 26222 152 51 975 0 apache2
Jun 29 09:17:44 zlb kernel: [15847900.744137] [12529] 33 12529 30512 149 53 1093 0 apache2
Jun 29 09:17:44 zlb kernel: [15847900.744139] [12530] 33 12530 30500 126 53 1103 0 apache2
Jun 29 09:17:44 zlb kernel: [15847900.744141] [12540] 33 12540 30492 125 53 1105 0 apache2
Jun 29 09:17:44 zlb kernel: [15847900.744142] [12569] 33 12569 30497 313 53 921 0 apache2
Jun 29 09:17:44 zlb kernel: [15847900.744144] [12572] 33 12572 89683 1048 130 4350 0 php-cgi
Jun 29 09:17:44 zlb kernel: [15847900.744146] [12697] 33 12697 89041 1644 122 2873 0 php-cgi
Jun 29 09:17:44 zlb kernel: [15847900.744148] [12785] 33 12785 30488 149 53 1076 0 apache2
Jun 29 09:17:44 zlb kernel: [15847900.744150] [12791] 33 12791 30488 143 53 1082 0 apache2
Jun 29 09:17:44 zlb kernel: [15847900.744152] [12800] 33 12800 30472 151 53 1056 0 apache2
Jun 29 09:17:44 zlb kernel: [15847900.744154] [12806] 33 12806 30476 190 53 1023 0 apache2
Jun 29 09:17:44 zlb kernel: [15847900.744155] [12813] 33 12813 30488 129 53 1096 0 apache2
Jun 29 09:17:44 zlb kernel: [15847900.744157] [12818] 107 12818 6852 0 17 69 0 pickup
Jun 29 09:17:44 zlb kernel: [15847900.744159] [12819] 33 12819 30472 151 53 1058 0 apache2
Jun 29 09:17:44 zlb kernel: [15847900.744161] [12825] 33 12825 30476 146 53 1065 0 apache2
Jun 29 09:17:44 zlb kernel: [15847900.744163] [12828] 33 12828 30476 225 53 986 0 apache2
Jun 29 09:17:44 zlb kernel: [15847900.744164] [12829] 33 12829 30488 147 53 1076 0 apache2
Jun 29 09:17:44 zlb kernel: [15847900.744166] [12835] 33 12835 87146 1278 116 2639 0 php-cgi
Jun 29 09:17:44 zlb kernel: [15847900.744168] [12837] 33 12837 88395 508 122 3788 0 php-cgi
Jun 29 09:17:44 zlb kernel: [15847900.744169] [12839] 33 12839 30488 171 53 1054 0 apache2
Jun 29 09:17:44 zlb kernel: [15847900.744171] [12842] 33 12842 30476 140 53 1069 0 apache2
Jun 29 09:17:44 zlb kernel: [15847900.744173] [12848] 33 12848 30476 140 53 1069 0 apache2
Jun 29 09:17:44 zlb kernel: [15847900.744175] [12851] 33 12851 30488 133 53 1085 0 apache2
Jun 29 09:17:44 zlb kernel: [15847900.744176] [12854] 33 12854 30476 141 53 1068 0 apache2
Jun 29 09:17:44 zlb kernel: [15847900.744178] [12855] 33 12855 30488 257 53 979 0 apache2
Jun 29 09:17:44 zlb kernel: [15847900.744180] [12860] 33 12860 30482 151 53 1068 0 apache2
Jun 29 09:17:44 zlb kernel: [15847900.744182] [12861] 33 12861 30476 140 53 1069 0 apache2
Jun 29 09:17:44 zlb kernel: [15847900.744183] [12862] 33 12862 30488 152 53 1073 0 apache2
Jun 29 09:17:44 zlb kernel: [15847900.744185] [12865] 33 12865 30476 146 53 1062 0 apache2
Jun 29 09:17:44 zlb kernel: [15847900.744187] [12872] 33 12872 30482 140 53 1077 0 apache2
Jun 29 09:17:44 zlb kernel: [15847900.744188] [12873] 33 12873 30476 140 53 1069 0 apache2
Jun 29 09:17:44 zlb kernel: [15847900.744190] [12875] 33 12875 30476 264 53 947 0 apache2
Jun 29 09:17:44 zlb kernel: [15847900.744192] [12876] 33 12876 30476 152 53 1057 0 apache2
Jun 29 09:17:44 zlb kernel: [15847900.744194] [12883] 33 12883 30482 152 53 1067 0 apache2
Jun 29 09:17:44 zlb kernel: [15847900.744195] [12885] 33 12885 30488 200 53 1023 0 apache2
Jun 29 09:17:44 zlb kernel: [15847900.744197] [12886] 33 12886 30482 152 53 1064 0 apache2
Jun 29 09:17:44 zlb kernel: [15847900.744199] [12897] 33 12897 30472 151 53 1057 0 apache2
Jun 29 09:17:44 zlb kernel: [15847900.744200] [12898] 33 12898 30488 200 53 1032 0 apache2
Jun 29 09:17:44 zlb kernel: [15847900.744202] [12899] 33 12899 30488 152 53 1072 0 apache2
Jun 29 09:17:44 zlb kernel: [15847900.744204] [12900] 33 12900 30472 293 53 913 0 apache2
Jun 29 09:17:44 zlb kernel: [15847900.744205] [12901] 33 12901 30490 140 53 1083 0 apache2
Jun 29 09:17:44 zlb kernel: [15847900.744207] [12904] 33 12904 30476 140 53 1069 0 apache2
Jun 29 09:17:44 zlb kernel: [15847900.744209] [12908] 33 12908 30485 136 53 1081 0 apache2
Jun 29 09:17:44 zlb kernel: [15847900.744225] [12914] 33 12914 30488 234 53 990 0 apache2
Jun 29 09:17:44 zlb kernel: [15847900.744228] [12919] 33 12919 30476 122 53 1087 0 apache2
Jun 29 09:17:44 zlb kernel: [15847900.744230] [12921] 33 12921 30482 128 53 1091 0 apache2
Jun 29 09:17:44 zlb kernel: [15847900.744232] [12925] 33 12925 30466 140 53 1063 0 apache2
Jun 29 09:17:44 zlb kernel: [15847900.744234] [12926] 33 12926 30472 152 53 1057 0 apache2
Jun 29 09:17:44 zlb kernel: [15847900.744235] [12933] 33 12933 30488 227 53 995 0 apache2
Jun 29 09:17:44 zlb kernel: [15847900.744237] [12936] 33 12936 30488 152 53 1073 0 apache2
Jun 29 09:17:44 zlb kernel: [15847900.744239] [12937] 33 12937 30485 152 53 1066 0 apache2
Jun 29 09:17:44 zlb kernel: [15847900.744240] [12938] 33 12938 30482 140 53 1077 0 apache2
Jun 29 09:17:44 zlb kernel: [15847900.744242] [12945] 33 12945 30485 255 53 962 0 apache2
Jun 29 09:17:44 zlb kernel: [15847900.744246] [12948] 33 12948 30476 233 53 976 0 apache2
Jun 29 09:17:44 zlb kernel: [15847900.744248] [12949] 33 12949 30470 140 53 1065 0 apache2
Jun 29 09:17:44 zlb kernel: [15847900.744250] [12954] 33 12954 30488 127 53 1093 0 apache2
Jun 29 09:17:44 zlb kernel: [15847900.744251] [12955] 33 12955 30488 130 53 1093 0 apache2
Jun 29 09:17:44 zlb kernel: [15847900.744253] [12958] 33 12958 30466 274 53 929 0 apache2
Jun 29 09:17:44 zlb kernel: [15847900.744255] [12959] 33 12959 30482 152 53 1067 0 apache2
Jun 29 09:17:44 zlb kernel: [15847900.744257] [12969] 33 12969 30488 261 53 973 0 apache2
Jun 29 09:17:44 zlb kernel: [15847900.744258] [12970] 33 12970 30482 152 53 1065 0 apache2
Jun 29 09:17:44 zlb kernel: [15847900.744260] [12971] 33 12971 30488 137 53 1085 0 apache2
Jun 29 09:17:44 zlb kernel: [15847900.744262] [12972] 33 12972 30488 130 53 1088 0 apache2
Jun 29 09:17:44 zlb kernel: [15847900.744263] [12977] 33 12977 30488 139 53 1083 0 apache2
Jun 29 09:17:44 zlb kernel: [15847900.744265] [12984] 33 12984 30488 140 53 1082 0 apache2
Jun 29 09:17:44 zlb kernel: [15847900.744267] [12987] 33 12987 30488 123 53 1099 0 apache2
Jun 29 09:17:44 zlb kernel: [15847900.744269] [12988] 33 12988 30485 138 53 1079 0 apache2
Jun 29 09:17:44 zlb kernel: [15847900.744270] [12995] 33 12995 30482 248 53 973 0 apache2
Jun 29 09:17:44 zlb kernel: [15847900.744272] [12996] 33 12996 30488 151 53 1071 0 apache2
Jun 29 09:17:44 zlb kernel: [15847900.744274] [12998] 33 12998 30488 213 53 1010 0 apache2
Jun 29 09:17:44 zlb kernel: [15847900.744275] [13001] 33 13001 30488 152 53 1070 0 apache2
Jun 29 09:17:44 zlb kernel: [15847900.744277] [13006] 33 13006 30482 152 53 1065 0 apache2
Jun 29 09:17:44 zlb kernel: [15847900.744279] [13012] 33 13012 30488 152 53 1070 0 apache2
Jun 29 09:17:44 zlb kernel: [15847900.744280] [13013] 33 13013 30488 152 53 1070 0 apache2
Jun 29 09:17:44 zlb kernel: [15847900.744282] [13014] 33 13014 30488 133 53 1090 0 apache2
Jun 29 09:17:44 zlb kernel: [15847900.744284] [13026] 33 13026 30488 228 53 997 0 apache2
Jun 29 09:17:44 zlb kernel: [15847900.744286] [13027] 33 13027 30488 152 53 1070 0 apache2
Jun 29 09:17:44 zlb kernel: [15847900.744287] [13031] 33 13031 30488 138 53 1083 0 apache2
Jun 29 09:17:44 zlb kernel: [15847900.744289] [13033] 33 13033 30482 152 53 1065 0 apache2
Jun 29 09:17:44 zlb kernel: [15847900.744291] [13041] 33 13041 30482 150 53 1068 0 apache2
Jun 29 09:17:44 zlb kernel: [15847900.744293] [13042] 33 13042 30482 139 53 1078 0 apache2
Jun 29 09:17:44 zlb kernel: [15847900.744294] [13043] 33 13043 30482 140 53 1077 0 apache2
Jun 29 09:17:44 zlb kernel: [15847900.744296] [13044] 33 13044 30488 204 53 1032 0 apache2
Jun 29 09:17:44 zlb kernel: [15847900.744298] [13045] 33 13045 30488 133 53 1089 0 apache2
Jun 29 09:17:44 zlb kernel: [15847900.744299] [13049] 33 13049 30482 308 53 911 0 apache2
Jun 29 09:17:44 zlb kernel: [15847900.744301] [13060] 33 13060 30488 145 53 1077 0 apache2
Jun 29 09:17:44 zlb kernel: [15847900.744303] [13063] 33 13063 30488 135 53 1088 0 apache2
Jun 29 09:17:44 zlb kernel: [15847900.744312] [13066] 33 13066 30488 318 53 906 0 apache2
Jun 29 09:17:44 zlb kernel: [15847900.744315] [13069] 33 13069 30592 320 53 917 0 apache2
Jun 29 09:17:44 zlb kernel: [15847900.744317] [13075] 33 13075 30488 152 53 1070 0 apache2
Jun 29 09:17:44 zlb kernel: [15847900.744318] [13078] 33 13078 30488 151 53 1071 0 apache2
Jun 29 09:17:44 zlb kernel: [15847900.744320] [13081] 33 13081 30488 316 53 906 0 apache2
Jun 29 09:17:44 zlb kernel: [15847900.744322] [13086] 33 13086 30482 140 53 1077 0 apache2
Jun 29 09:17:44 zlb kernel: [15847900.744323] [13087] 33 13087 30482 138 53 1079 0 apache2
Jun 29 09:17:44 zlb kernel: [15847900.744325] [13090] 33 13090 30488 131 53 1092 0 apache2
Jun 29 09:17:44 zlb kernel: [15847900.744327] [13091] 33 13091 30488 136 53 1088 0 apache2
Jun 29 09:17:44 zlb kernel: [15847900.744329] [13096] 33 13096 30488 133 53 1090 0 apache2
Jun 29 09:17:44 zlb kernel: [15847900.744330] [13097] 33 13097 30485 152 53 1065 0 apache2
Jun 29 09:17:44 zlb kernel: [15847900.744332] [13102] 33 13102 30482 138 53 1079 0 apache2
Jun 29 09:17:44 zlb kernel: [15847900.744334] [13104] 33 13104 30482 134 53 1083 0 apache2
Jun 29 09:17:44 zlb kernel: [15847900.744335] [13108] 33 13108 30482 140 53 1077 0 apache2
Jun 29 09:17:44 zlb kernel: [15847900.744337] [13113] 33 13113 30488 152 53 1072 0 apache2
Jun 29 09:17:44 zlb kernel: [15847900.744339] [13117] 33 13117 30488 133 53 1089 0 apache2
Jun 29 09:17:44 zlb kernel: [15847900.744340] [13122] 33 13122 30482 152 53 1067 0 apache2
Jun 29 09:17:44 zlb kernel: [15847900.744342] [13124] 33 13124 30482 137 53 1080 0 apache2
Jun 29 09:17:44 zlb kernel: [15847900.744344] [13126] 33 13126 30488 313 53 912 0 apache2
Jun 29 09:17:44 zlb kernel: [15847900.744346] [13127] 33 13127 30488 191 53 1032 0 apache2
Jun 29 09:17:44 zlb kernel: [15847900.744347] [13132] 33 13132 30472 139 53 1067 0 apache2
Jun 29 09:17:44 zlb kernel: [15847900.744349] [13137] 33 13137 86636 1646 114 2199 0 php-cgi
Jun 29 09:17:44 zlb kernel: [15847900.744351] [13139] 33 13139 30485 152 53 1069 0 apache2
Jun 29 09:17:44 zlb kernel: [15847900.744352] [13140] 33 13140 30488 126 53 1098 0 apache2
Jun 29 09:17:44 zlb kernel: [15847900.744354] [13141] 33 13141 30488 134 53 1083 0 apache2
Jun 29 09:17:44 zlb kernel: [15847900.744356] [13147] 33 13147 30482 287 53 933 0 apache2
Jun 29 09:17:44 zlb kernel: [15847900.744357] [13151] 33 13151 30476 151 53 1058 0 apache2
Jun 29 09:17:44 zlb kernel: [15847900.744359] [13153] 33 13153 30488 229 53 993 0 apache2
Jun 29 09:17:44 zlb kernel: [15847900.744361] [13154] 33 13154 30488 134 53 1083 0 apache2
Jun 29 09:17:44 zlb kernel: [15847900.744362] [13163] 33 13163 30482 151 53 1066 0 apache2
Jun 29 09:17:44 zlb kernel: [15847900.744364] [13169] 33 13169 30488 212 53 1012 0 apache2
Jun 29 09:17:44 zlb kernel: [15847900.744366] [13170] 33 13170 30488 134 53 1090 0 apache2
Jun 29 09:17:44 zlb kernel: [15847900.744368] [13175] 33 13175 30476 139 53 1070 0 apache2
Jun 29 09:17:44 zlb kernel: [15847900.744369] [13180] 33 13180 30485 154 53 1063 0 apache2
Jun 29 09:17:44 zlb kernel: [15847900.744371] [13185] 33 13185 30470 152 53 1051 0 apache2
Jun 29 09:17:44 zlb kernel: [15847900.744373] [13186] 33 13186 30485 160 53 1065 0 apache2
Jun 29 09:17:44 zlb kernel: [15847900.744374] [13187] 33 13187 86139 1513 111 1828 0 php-cgi
Jun 29 09:17:44 zlb kernel: [15847900.744376] [13194] 33 13194 84169 1654 105 1337 0 php-cgi
Jun 29 09:17:44 zlb kernel: [15847900.744378] [13195] 33 13195 84681 1116 104 1271 0 php-cgi
Jun 29 09:17:44 zlb kernel: [15847900.744380] [13196] 33 13196 30485 151 53 1066 0 apache2
Jun 29 09:17:44 zlb kernel: [15847900.744381] [13198] 33 13198 84169 1821 107 1324 0 php-cgi
Jun 29 09:17:44 zlb kernel: [15847900.744383] [13199] 33 13199 30470 152 53 1051 0 apache2
Jun 29 09:17:44 zlb kernel: [15847900.744385] [13202] 33 13202 86121 1434 110 1848 0 php-cgi
Jun 29 09:17:44 zlb kernel: [15847900.744386] [13205] 33 13205 30476 152 53 1057 0 apache2
Jun 29 09:17:44 zlb kernel: [15847900.744388] [13208] 33 13208 84153 1643 105 1355 0 php-cgi
Jun 29 09:17:44 zlb kernel: [15847900.744398] [13209] 33 13209 30482 130 53 1087 0 apache2
Jun 29 09:17:44 zlb kernel: [15847900.744401] [13212] 33 13212 30439 206 53 975 0 apache2
Jun 29 09:17:44 zlb kernel: [15847900.744402] [13214] 33 13214 84582 1571 105 1470 0 php-cgi
Jun 29 09:17:44 zlb kernel: [15847900.744404] [13216] 33 13216 30485 246 53 973 0 apache2
Jun 29 09:17:44 zlb kernel: [15847900.744406] [13218] 33 13218 84556 1643 104 1345 0 php-cgi
Jun 29 09:17:44 zlb kernel: [15847900.744407] [13220] 33 13220 84390 1436 103 1477 0 php-cgi
Jun 29 09:17:44 zlb kernel: [15847900.744409] [13226] 33 13226 84454 1371 106 1543 0 php-cgi
Jun 29 09:17:44 zlb kernel: [15847900.744411] [13227] 33 13227 84305 1147 104 1431 0 php-cgi
Jun 29 09:17:44 zlb kernel: [15847900.744412] [13228] 33 13228 30482 159 53 1059 0 apache2
Jun 29 09:17:44 zlb kernel: [15847900.744414] [13230] 33 13230 30482 148 53 1069 0 apache2
Jun 29 09:17:44 zlb kernel: [15847900.744416] [13232] 33 13232 30482 140 53 1077 0 apache2
Jun 29 09:17:44 zlb kernel: [15847900.744417] [13233] 33 13233 30482 140 53 1077 0 apache2
Jun 29 09:17:44 zlb kernel: [15847900.744419] [13234] 33 13234 30482 139 53 1078 0 apache2
Jun 29 09:17:44 zlb kernel: [15847900.744421] [13235] 33 13235 30482 137 53 1080 0 apache2
Jun 29 09:17:44 zlb kernel: [15847900.744423] [13251] 33 13251 84582 2072 108 1482 0 php-cgi
Jun 29 09:17:44 zlb kernel: [15847900.744425] [13257] 33 13257 30476 152 53 1057 0 apache2
Jun 29 09:17:44 zlb kernel: [15847900.744426] [13259] 33 13259 30485 140 53 1078 0 apache2
Jun 29 09:17:44 zlb kernel: [15847900.744428] [13263] 33 13263 30488 144 53 1074 0 apache2
Jun 29 09:17:44 zlb kernel: [15847900.744430] [13264] 33 13264 30488 133 53 1080 0 apache2
Jun 29 09:17:44 zlb kernel: [15847900.744431] [13270] 33 13270 30485 152 53 1065 0 apache2
Jun 29 09:17:44 zlb kernel: [15847900.744433] [13271] 33 13271 30488 139 53 1085 0 apache2
Jun 29 09:17:44 zlb kernel: [15847900.744435] [13272] 33 13272 30485 152 53 1065 0 apache2
Jun 29 09:17:44 zlb kernel: [15847900.744437] [13280] 33 13280 84262 1302 106 1593 0 php-cgi
Jun 29 09:17:44 zlb kernel: [15847900.744438] [13289] 33 13289 84043 1516 106 1247 0 php-cgi
Jun 29 09:17:44 zlb kernel: [15847900.744440] [13291] 33 13291 84009 1500 104 1327 0 php-cgi
Jun 29 09:17:44 zlb kernel: [15847900.744442] [13292] 33 13292 84073 1571 103 1228 0 php-cgi
Jun 29 09:17:44 zlb kernel: [15847900.744444] [13294] 33 13294 84017 1588 103 1382 0 php-cgi
Jun 29 09:17:44 zlb kernel: [15847900.744445] [13296] 33 13296 83951 1448 101 1232 0 php-cgi
Jun 29 09:17:44 zlb kernel: [15847900.744447] [13300] 33 13300 84015 1593 102 1367 0 php-cgi
Jun 29 09:17:44 zlb kernel: [15847900.744449] [13303] 33 13303 83816 1268 101 1158 0 php-cgi
Jun 29 09:17:44 zlb kernel: [15847900.744450] [13305] 33 13305 83823 1289 102 1185 0 php-cgi
Jun 29 09:17:44 zlb kernel: [15847900.744452] [13307] 33 13307 83817 1486 100 1113 0 php-cgi
Jun 29 09:17:44 zlb kernel: [15847900.744454] [13309] 33 13309 83970 1752 102 1354 0 php-cgi
Jun 29 09:17:44 zlb kernel: [15847900.744456] [13315] 33 13315 83624 1634 101 820 0 php-cgi
Jun 29 09:17:44 zlb kernel: [15847900.744457] [13318] 33 13318 83496 1296 102 934 0 php-cgi
Jun 29 09:17:44 zlb kernel: [15847900.744459] [13320] 33 13320 83815 1537 101 942 0 php-cgi
Jun 29 09:17:44 zlb kernel: [15847900.744461] [13322] 33 13322 83495 1273 99 920 0 php-cgi
Jun 29 09:17:44 zlb kernel: [15847900.744462] [13324] 33 13324 83819 1557 100 944 0 php-cgi
Jun 29 09:17:44 zlb kernel: [15847900.744464] [13326] 33 13326 83408 1314 98 880 0 php-cgi
Jun 29 09:17:44 zlb kernel: [15847900.744466] [13329] 33 13329 83460 1295 98 895 0 php-cgi
Jun 29 09:17:44 zlb kernel: [15847900.744468] [13332] 33 13332 83420 1296 99 837 0 php-cgi
Jun 29 09:17:44 zlb kernel: [15847900.744469] [13333] 33 13333 83340 989 95 844 0 php-cgi
Jun 29 09:17:44 zlb kernel: [15847900.744471] [13334] 33 13334 83163 708 99 837 0 php-cgi
Jun 29 09:17:44 zlb kernel: [15847900.744473] [13336] 33 13336 83275 2259 99 826 0 php-cgi
Jun 29 09:17:44 zlb kernel: [15847900.744482] [13338] 33 13338 83276 2508 95 516 0 php-cgi
Jun 29 09:17:44 zlb kernel: [15847900.744484] [13341] 33 13341 83196 2415 96 338 0 php-cgi
Jun 29 09:17:44 zlb kernel: [15847900.744486] [13342] 33 13342 83196 2392 95 378 0 php-cgi
Jun 29 09:17:44 zlb kernel: [15847900.744488] [13343] 33 13343 49053 775 89 252 0 php-cgi
Jun 29 09:17:44 zlb kernel: [15847900.744490] [13346] 33 13346 46740 599 88 149 0 php-cgi
Jun 29 09:17:44 zlb kernel: [15847900.744491] [13348] 33 13348 46806 752 83 69 0 php-cgi
Jun 29 09:17:44 zlb kernel: [15847900.744493] [13351] 33 13351 46806 711 89 68 0 php-cgi
Jun 29 09:17:44 zlb kernel: [15847900.744495] [13352] 33 13352 30150 324 58 48 0 php-cgi
Jun 29 09:17:44 zlb kernel: [15847900.744497] [13354] 33 13354 12318 288 28 7 0 php-cgi
Jun 29 09:17:44 zlb kernel: [15847900.744498] [13358] 33 13358 27220 344 52 11 0 php-cgi
Jun 29 09:17:44 zlb kernel: [15847900.744500] [13360] 33 13360 11586 134 24 0 0 php-cgi
Jun 29 09:17:44 zlb kernel: [15847900.744502] [13363] 33 13363 11236 38 18 0 0 php-cgi
Jun 29 09:17:44 zlb kernel: [15847900.744504] [13365] 33 13365 26222 239 48 881 0 apache2
Jun 29 09:17:44 zlb kernel: [15847900.744512] Out of memory: Kill process 30705 (mysqld) score 43 or sacrifice child
可以看到有无数的 apache2 和 php-cgi 进程，占用的大量内存，最后导致 mysqld 被杀死，页面访问不了。
而这种情况也不是一次两次了，实在忍受不了，所以打算换成静态 Blog，把 apache 也一并换为 nginx。希望可以降低一些内存占用。