Hi. I searched help from several months ago with no success. So I'll repeat again my problem hoping that this time someone will answer.I often (3 times in a month) control of my virtual server, so I have to call the provider to soft-reset it. The problem is that apache takes all the memory and the cpu usage of the server, and sometimes after that I have also kernel panic errors.
Even with the server working, I have the apache2 daemons big from 30 to 50 megabytes each one (now I use 9).
In the logs I found stuff like this:Feb 28 12:54:09 utopia kernel: [408986.594006] apache2 invoked oom-killer: gfp_mask=0x1201d2, order=0, oomkilladj=0 Feb 28 12:54:09 utopia kernel: [408986.594022] Pid: 6817, comm: apache2 Not tainted 2.6.28-18-server #59-Ubuntu
Feb 28 12:54:09 utopia kernel: [408986.594026] Call Trace:Feb 28 12:54:09 utopia kernel: [408986.594080] [<ffffffff802b3825>] oom_kill_process+0x95/0x240 Feb 28 12:54:09 utopia kernel: [408986.594087] [<ffffffff802b3fdf>] ? select_bad_process+0xef/0x130 Feb 28 12:54:09 utopia kernel: [408986.594091] [<ffffffff802b40d4>] out_of_memory+0xb4/0x150 Feb 28 12:54:09 utopia kernel: [408986.594095] [<ffffffff802b6c49>] __alloc_pages_internal+0x4a9/0x4f0 Feb 28 12:54:09 utopia kernel: [408986.594101] [<ffffffff802b9a7a>] __do_page_cache_readahead+0xda/0x210 Feb 28 12:54:09 utopia kernel: [408986.594105] [<ffffffff802b9c0e>] do_page_cache_readahead+0x5e/0x90 Feb 28 12:54:09 utopia kernel: [408986.594108] [<ffffffff802b201a>] filemap_fault+0x34a/0x430 Feb 28 12:54:09 utopia kernel: [408986.594113] [<ffffffff802c6010>] __do_fault+0x50/0x520 Feb 28 12:54:09 utopia kernel: [408986.594117] [<ffffffff802c7199>] handle_mm_fault+0x1e9/0x470 Feb 28 12:54:09 utopia kernel: [408986.594134] [<ffffffff802f3a1f>] ? path_walk+0xbf/0xd0 Feb 28 12:54:09 utopia kernel: [408986.594158] [<ffffffff8022f669>] ? default_spin_lock_flags+0x9/0x10 Feb 28 12:54:09 utopia kernel: [408986.594177] [<ffffffff8069e0d7>] do_page_fault+0x307/0x780 Feb 28 12:54:09 utopia kernel: [408986.594183] [<ffffffff802eb9f3>] ? cp_new_stat+0xe3/0xf0 Feb 28 12:54:09 utopia kernel: [408986.594186] [<ffffffff802ebee6>] ? sys_newstat+0x36/0x50 Feb 28 12:54:09 utopia kernel: [408986.594198] [<ffffffff8069b6ba>] error_exit+0x0/0x70
Feb 28 12:54:09 utopia kernel: [408986.594202] Mem-Info: Feb 28 12:54:09 utopia kernel: [408986.594205] DMA per-cpu:Feb 28 12:54:09 utopia kernel: [408986.594207] CPU 0: hi: 0, btch: 1 usd: 0 Feb 28 12:54:09 utopia kernel: [408986.594210] CPU 1: hi: 0, btch: 1 usd: 0
Feb 28 12:54:09 utopia kernel: [408986.594212] DMA32 per-cpu:Feb 28 12:54:09 utopia kernel: [408986.594214] CPU 0: hi: 186, btch: 31 usd: 183 Feb 28 12:54:09 utopia kernel: [408986.594216] CPU 1: hi: 186, btch: 31 usd: 172 Feb 28 12:54:09 utopia kernel: [408986.594226] Active_anon:363780 active_file:19 inactive_anon:121250 Feb 28 12:54:09 utopia kernel: [408986.594228] inactive_file:91 unevictable:0 dirty:0 writeback:0 unstable:0 Feb 28 12:54:09 utopia kernel: [408986.594229] free:3066 slab:4774 mapped:1 pagetables:7473 bounce:0 Feb 28 12:54:09 utopia kernel: [408986.594234] DMA free:6644kB min:12kB low:12kB high:16kB active_anon:0kB inactive_anon:0kB acti$ Feb 28 12:54:09 utopia kernel: [408986.594237] lowmem_reserve[]: 0 2004 2004 2004 Feb 28 12:54:09 utopia kernel: [408986.594244] DMA32 free:5620kB min:5720kB low:7148kB high:8580kB active_anon:1455120kB inactive$
Feb 28 12:54:09 utopia kernel: [408986.594247] lowmem_reserve[]: 0 0 0 0Feb 28 12:54:09 utopia kernel: [408986.594259] DMA: 3*4kB 3*8kB 3*16kB 3*32kB 3*64kB 1*128kB 2*256kB 1*512kB 1*1024kB 0*2048kB 1*$ Feb 28 12:54:09 utopia kernel: [408986.594272] DMA32: 155*4kB 1*8kB 0*16kB 0*32kB 0*64kB 1*128kB 1*256kB 1*512kB 0*1024kB 0*2048k$
Feb 28 12:54:09 utopia kernel: [408986.594284] 828 total pagecache pages Feb 28 12:54:09 utopia kernel: [408986.594286] 0 pages in swap cacheFeb 28 12:54:09 utopia kernel: [408986.594288] Swap cache stats: add 4551, delete 4551, find 160864/160937
Feb 28 12:54:09 utopia kernel: [408986.594297] Free swap = 0kB Feb 28 12:54:09 utopia kernel: [408986.594299] Total swap = 0kB Feb 28 12:54:09 utopia kernel: [408986.608274] 524272 pages RAM Feb 28 12:54:09 utopia kernel: [408986.608283] 15596 pages reserved Feb 28 12:54:09 utopia kernel: [408986.608284] 63040 pages shared Feb 28 12:54:09 utopia kernel: [408986.608286] 500299 pages non-sharedFeb 28 12:54:09 utopia kernel: [408986.608292] Out of memory: kill process 6817 (apache2) score 63892 or a child
Feb 28 12:54:09 utopia kernel: [408986.609426] Killed process 6817 (apache2)Feb 28 12:54:17 utopia kernel: [409094.110911] pickup invoked oom-killer: gfp_mask=0x1201d2, order=0, oomkilladj=0 Feb 28 12:54:17 utopia kernel: [409094.110925] Pid: 5668, comm: pickup Not tainted 2.6.28-18-server #59-Ubuntu
Feb 28 12:54:17 utopia kernel: [409094.110929] Call Trace: (and so on) This is my configuration:Linux utopia 2.6.28-18-server #59-Ubuntu SMP Thu Jan 28 02:25:03 UTC 2010 x86_64 GNU/Linux
Server version: Apache/2.2.11 (Ubuntu) Server built: Nov 13 2009 22:06:57 Server's Module Magic Number: 20051115:21 Server loaded: APR 1.2.12, APR-Util 1.2.12 Compiled using: APR 1.2.12, APR-Util 1.2.12 Architecture: 64-bit Server MPM: Prefork threaded: no forked: yes (variable process count) Server compiled with.... -D APACHE_MPM_DIR="server/mpm/prefork" -D APR_HAS_SENDFILE -D APR_HAS_MMAP -D APR_HAVE_IPV6 (IPv4-mapped addresses enabled) -D APR_USE_SYSVSEM_SERIALIZE -D APR_USE_PTHREAD_SERIALIZE -D SINGLE_LISTEN_UNSERIALIZED_ACCEPT -D APR_HAS_OTHER_CHILD -D AP_HAVE_RELIABLE_PIPED_LOGS -D DYNAMIC_MODULE_LIMIT=128 -D HTTPD_ROOT="" -D SUEXEC_BIN="/usr/lib/apache2/suexec" -D DEFAULT_PIDLOG="/var/run/apache2.pid" -D DEFAULT_SCOREBOARD="logs/apache_runtime_status" -D DEFAULT_LOCKFILE="/var/run/apache2/accept.lock" -D DEFAULT_ERRORLOG="logs/error_log" -D AP_TYPES_CONFIG_FILE="/etc/apache2/mime.types" -D SERVER_CONFIG_FILE="/etc/apache2/apache2.conf" This is the main configuration of apache2: <IfModule mpm_prefork_module> StartServers 5 MinSpareServers 5 MaxSpareServers 9 MaxClients 80 MaxRequestsPerChild 400 MaxMemFree 200000 </IfModule> KeepAliveTimeout 3 MaxKeepAliveRequests 50 KeepAlive On Timeout 200 --------------------------------------------------------------------- The official User-To-User support forum of the Apache HTTP Server Project. See <URL:http://httpd.apache.org/userslist.html> for more info. To unsubscribe, e-mail: users-unsubscribe@xxxxxxxxxxxxxxxx " from the digest: users-digest-unsubscribe@xxxxxxxxxxxxxxxx For additional commands, e-mail: users-help@xxxxxxxxxxxxxxxx
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