Hello,
I have a Solaris 10 server running apache 2.2.17 and on a weekly basis
its creating zombies and increasing the load to the point where we have
to restart it every Thursday night. There are 6 apache instances running
on this box but this is the only one seeing the issue. There have been
no changes to the box that I am aware of or the developers are aware of.
I've included a lot of output as I'm not sure what will be helpful and
what won't. Any info or steps to resolve this is most appreciated. TIA.
Jeff
bash-3.00# ulimit -a
core file size (blocks, -c) unlimited
data seg size (kbytes, -d) unlimited
file size (blocks, -f) unlimited
open files (-n) 256
pipe size (512 bytes, -p) 10
stack size (kbytes, -s) 8192
cpu time (seconds, -t) unlimited
max user processes (-u) 29995
virtual memory (kbytes, -v) unlimited
bash-3.00# netstat -an|grep 172.23.181.34.80|wc -l
3438
bash-3.00# uptime
1:43pm up 343 day(s), 2:59, 2 users, load average: 4.41, 4.50,
4.39
SunOS 5.10 Generic_142909-17 sun4v sparc SUNW,SPARC-Enterprise-T5120
httpd.conf
ServerRoot "/web/apache2-prod-showcase_second"
Listen 172.23.181.34:80
LoadModule headers_module modules/mod_headers.so
LoadModule rewrite_module modules/mod_rewrite.so
<IfModule !mpm_netware_module>
<IfModule !mpm_winnt_module>
User csdrd
Group daemon
</IfModule>
</IfModule>
ServerAdmin [email protected]
ServerName xx.xxxxx.com
DocumentRoot "/apps/doc-root"
ErrorLog "logs/error_log"
LogLevel warn
DefaultType text/plain
# Cache control
ExpiresActive On
ExpiresByType image/gif "access plus 1 weeks"
ExpiresByType image/jpg "access plus 1 weeks"
ExpiresByType image/jpeg "access plus 1 weeks"
ExpiresByType application/x-shockwave-flash "access plus 1
weeks"
ExpiresByType image/png "access plus 1 weeks"
FileETag none
ProxyRequests Off
ProxyPreserveHost On
<Proxy *>
Order deny,allow
Deny from all
Allow from all
</Proxy>
ProxyPass /showcase/explore balancer://exploreutc
stickysession=JSESSIONID|jsessionid timeout=5 lbmethod=byrequests nofail
over=Off
# Port 8180 service bind
<Proxy balancer://exploreutc>
BalancerMember http://172.22.81.99:8080/utc route=host3
BalancerMember http://172.22.81.100:8080/utc route=host4
BalancerMember http://172.22.81.99:8180/utc route=host3a
BalancerMember http://172.22.81.100:8180/utc route=host4a
</Proxy>
<Directory />
Options FollowSymLinks
AllowOverride None
Order deny,allow
Deny from all
</Directory>
<Directory "/apps/doc-root">
Options FollowSymLinks
AllowOverride All
Order allow,deny
Allow from all
</Directory>
<Directory "/web/apache2-prod-showcase_second/cgi-bin">
AllowOverride None
Options None
Order allow,deny
Allow from all
</Directory>
<FilesMatch "^\.ht">
Order allow,deny
Deny from all
Satisfy All
</FilesMatch>
<IfModule dir_module>
DirectoryIndex index_explore.html
</IfModule>
<IfModule log_config_module>
LogFormat "%h %l %u %t \"%r\" %>s %b \"%{Referer}i\"
\"%{User-Agent}i\"" combined
LogFormat "%h %l %u %t \"%r\" %>s %b" common
<IfModule logio_module>
# You need to enable mod_logio.c to use %I and %O
LogFormat "%h %l %u %t \"%r\" %>s %b \"%{Referer}i\"
\"%{User-Agent}i\" %I %O" combinedio
</IfModule>
</IfModule>
<IfModule alias_module>
ScriptAlias /cgi-bin/ "/web/apache2-prod-showcase_second/cgi-bin/"
</IfModule>
<IfModule cgid_module>
</IfModule>
<IfModule mime_module>
TypesConfig conf/mime.types
AddType application/x-compress .Z
AddType application/x-gzip .gz .tgz
</IfModule>
<IfModule ssl_module>
SSLRandomSeed startup builtin
SSLRandomSeed connect builtin
</IfModule>
bash-3.00# ./httpd -S
VirtualHost configuration:
Syntax OK
bash-3.00# ./httpd -V
Server version: Apache/2.2.17 (Unix)
Server built: Mar 16 2011 16:19:54
Server's Module Magic Number: 20051115:25
Server loaded: APR 1.4.2, APR-Util 1.3.10
Compiled using: APR 1.4.2, APR-Util 1.3.10
Architecture: 32-bit
Server MPM: Worker
threaded: yes (fixed thread count)
forked: yes (variable process count)
Server compiled with....
-D APACHE_MPM_DIR="server/mpm/worker"
-D APR_HAS_SENDFILE
-D APR_HAS_MMAP
-D APR_HAVE_IPV6 (IPv4-mapped addresses enabled)
-D APR_USE_PROC_PTHREAD_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="/web/apache2-prod-showcase_second"
-D SUEXEC_BIN="/web/apache2-prod-showcase_second/bin/suexec"
-D DEFAULT_SCOREBOARD="logs/apache_runtime_status"
-D DEFAULT_ERRORLOG="logs/error_log"
-D AP_TYPES_CONFIG_FILE="conf/mime.types"
-D SERVER_CONFIG_FILE="conf/httpd.conf"
bash-3.00# pstack 7619
7619: /web/apache2-prod-showcase_second/bin/httpd -k start
fecccdbc pollsys (ffbff868, 0, ffbff8d0, 0)
fec68590 pselect (ffbff868, fed34728, fed34728, 0, ffbff8d0, 0) + 1c8
fec68908 select (0, 0, 0, 0, ffbff938, 0) + a0
ff0219b8 apr_sleep (0, f4240, ffbffa4c, 0, eb610, 11176) + 4c
0004aadc ap_wait_or_timeout (ffbffa4c, ffbffa48, ffbffad0, eb610, dd000,
e0400) + 60
0009a764 ap_mpm_run (fead01d8, 1c, 0, 20, 6, 3e) + 218
0002fcc8 main (eb610, db400, ddc00, ddc00, e9608, 0) + 76c
0002f08c _start (0, 0, 0, 0, 0, 0) + 5c
16042 csdrd 20M 16M cpu20 50 0 3:52:05 3.1% httpd/24
16042 csdrd 20M 16M zombie 0 - 0:00:00 0.0% httpd/65
16042 csdrd 20M 16M zombie 0 - 0:00:00 0.0% httpd/64
16042 csdrd 20M 16M zombie 0 - 0:00:00 0.0% httpd/63
16042 csdrd 20M 16M zombie 0 - 0:00:00 0.0% httpd/62
16042 csdrd 20M 16M zombie 0 - 0:00:00 0.0% httpd/61
16042 csdrd 20M 16M zombie 0 - 0:00:00 0.0% httpd/60
16042 csdrd 20M 16M zombie 0 - 0:00:00 0.0% httpd/59
16042 csdrd 20M 16M zombie 0 - 0:00:00 0.0% httpd/58
16042 csdrd 20M 16M zombie 0 - 0:00:00 0.0% httpd/57
16042 csdrd 20M 16M zombie 0 - 0:00:00 0.0% httpd/56
16042 csdrd 20M 16M zombie 0 - 0:00:00 0.0% httpd/55
16042 csdrd 20M 16M zombie 0 - 0:00:00 0.0% httpd/54
16042 csdrd 20M 16M zombie 0 - 0:00:00 0.0% httpd/53
16042 csdrd 20M 16M zombie 0 - 0:00:00 0.0% httpd/52
16042 csdrd 20M 16M zombie 0 - 0:00:00 0.0% httpd/51
16042 csdrd 20M 16M zombie 0 - 0:00:00 0.0% httpd/50
16042 csdrd 20M 16M zombie 0 - 0:00:00 0.0% httpd/49
16042 csdrd 20M 16M zombie 0 - 0:00:00 0.0% httpd/48
16042 csdrd 20M 16M zombie 0 - 0:00:00 0.0% httpd/47
16042 csdrd 20M 16M zombie 0 - 0:00:00 0.0% httpd/46
16042 csdrd 20M 16M zombie 0 - 0:00:00 0.0% httpd/45
16042 csdrd 20M 16M zombie 0 - 0:00:00 0.0% httpd/44
16042 csdrd 20M 16M zombie 0 - 0:00:00 0.0% httpd/43
16042 csdrd 20M 16M zombie 0 - 0:00:00 0.0% httpd/42
16042 csdrd 20M 16M zombie 0 - 0:00:00 0.0% httpd/41
16042 csdrd 20M 16M zombie 0 - 0:00:00 0.0% httpd/40
16042 csdrd 20M 16M zombie 0 - 0:00:00 0.0% httpd/39
16042 csdrd 20M 16M zombie 0 - 0:00:00 0.0% httpd/38
16042 csdrd 20M 16M zombie 0 - 0:00:00 0.0% httpd/37
16042 csdrd 20M 16M zombie 0 - 0:00:00 0.0% httpd/36
16042 csdrd 20M 16M zombie 0 - 0:00:00 0.0% httpd/35
16042 csdrd 20M 16M zombie 0 - 0:00:00 0.0% httpd/34
16042 csdrd 20M 16M zombie 0 - 0:00:00 0.0% httpd/33
16042 csdrd 20M 16M zombie 0 - 0:00:00 0.0% httpd/32
16042 csdrd 20M 16M zombie 0 - 0:00:00 0.0% httpd/31
16042 csdrd 20M 16M zombie 0 - 0:00:00 0.0% httpd/30
16042 csdrd 20M 16M zombie 0 - 0:00:00 0.0% httpd/29
16042 csdrd 20M 16M zombie 0 - 0:00:00 0.0% httpd/28
16042 csdrd 20M 16M zombie 0 - 0:00:00 0.0% httpd/27
16042 csdrd 20M 16M zombie 0 - 0:00:00 0.0% httpd/26
16042 csdrd 20M 16M zombie 0 - 0:00:00 0.0% httpd/25
16042 csdrd 20M 16M sleep 59 0 0:00:00 0.0% httpd/1
bash-3.00# pstack 16042
16042: /web/apache2-prod-showcase_second/bin/httpd -k start
----------------- lwp# 1 / thread# 1 --------------------
feccd210 lwp_wait (18, ffbff7d4)
fecc60f0 _thrp_join (18, 0, ffbff83c, 1, ffbff7d4, fed35900) + 34
ff020778 apr_thread_join (ffbff8bc, 19aef8, 2, 0, 1, c6bf0) + c
00099f28 join_workers (54, 1b3ee8, 99ab8, 19a810, 0, 1) + ec
0009a27c child_main (7, 98e0c, 0, 0, fed35960, ff172a00) + 270
0009a45c make_child (ddc00, 7, 1, e0c00, dd000, e0400) + 128
0009ac8c ap_mpm_run (fead0198, 18, 0, 20, 1, 15) + 740
0002fcc8 main (eb610, db400, ddc00, ddc00, e9608, 0) + 76c
0002f08c _start (0, 0, 0, 0, 0, 0) + 5c
----------------- lwp# 24 / thread# 24 --------------------
ff1577dc apr_brigade_cleanup (a5a500, 0, 10c0c, fec6367c, fee58624,
a5a4f0) + 18
ff014ab8 run_cleanups (a39a80, 0, 4, 0, 1, a65b00) + 20
ff015b94 apr_pool_destroy (a39a70, a35aa0, ff017ddc, 0, de520, 0) + 38
ff015dec apr_pool_clear (a35a60, a35aa0, a35aa0, 1d5, 0, 19ab58) + 1c
00099a2c worker_thread (19aef8, 7, 0, e0400, e0400, 54) + 230
ff020640 dummy_worker (19aef8, fd47c000, 0, 0, ff020634, 1) + c
fecc94f0 _lwp_start (0, 0, 0, 0, 0, 0)
----------------- lwp# 25 / thread# 25 --------------------
ff020634 dummy_worker(), exit value = 0x00000000
** zombie (exited, not detached, not yet joined) **
----------------- lwp# 26 / thread# 26 --------------------
ff020634 dummy_worker(), exit value = 0x00000000
** zombie (exited, not detached, not yet joined) **
<SNIP more of the same.....>
bash-3.00# pfiles 16042
16042: /web/apache2-prod-showcase_second/bin/httpd -k start
Current rlimit: 65536 file descriptors
0: S_IFCHR mode:0666 dev:348,0 ino:6815752 uid:0 gid:3 rdev:13,2
O_RDONLY
/devices/pseudo/mm@0:null
1: S_IFCHR mode:0666 dev:348,0 ino:6815752 uid:0 gid:3 rdev:13,2
O_WRONLY|O_CREAT|O_TRUNC
/devices/pseudo/mm@0:null
2: S_IFREG mode:0644 dev:32,26 ino:110758 uid:0 gid:0 size:570041
O_WRONLY|O_APPEND|O_CREAT|O_LARGEFILE
/web/apache2-prod-showcase_second/logs/error_log
4: S_IFDOOR mode:0444 dev:357,0 ino:42 uid:0 gid:0 size:0
O_RDONLY|O_LARGEFILE FD_CLOEXEC door to pid -1
5: S_IFIFO mode:0000 dev:346,0 ino:2614440 uid:0 gid:0 size:0
O_RDWR FD_CLOEXEC
6: S_IFIFO mode:0000 dev:346,0 ino:2614440 uid:0 gid:0 size:0
O_RDWR FD_CLOEXEC
7: S_IFREG mode:0644 dev:32,26 ino:110763 uid:0 gid:0 size:1240942649
O_WRONLY|O_APPEND|O_CREAT|O_LARGEFILE FD_CLOEXEC
/web/apache2-prod-showcase_second/logs/access_log
18: S_IFSOCK mode:0666 dev:355,0 ino:10041 uid:0 gid:0 size:0
O_RDWR|O_NONBLOCK FD_CLOEXEC
SOCK_STREAM
SO_SNDBUF(49152),SO_RCVBUF(49640),IP_NEXTHOP(0.0.193.232)
sockname: AF_INET 172.22.81.122 port: 50949
peername: AF_INET 172.22.81.100 port: 8180
24: S_IFSOCK mode:0666 dev:355,0 ino:40577 uid:0 gid:0 size:0
O_RDWR|O_NONBLOCK FD_CLOEXEC
SOCK_STREAM
SO_SNDBUF(49152),SO_RCVBUF(49640),IP_NEXTHOP(0.0.193.232)
sockname: AF_INET 172.22.81.122 port: 51076
peername: AF_INET 172.22.81.99 port: 8180
48: S_IFSOCK mode:0666 dev:355,0 ino:41083 uid:0 gid:0 size:0
O_RDWR|O_NONBLOCK FD_CLOEXEC
SOCK_STREAM
SO_SNDBUF(49152),SO_RCVBUF(49640),IP_NEXTHOP(0.0.193.232)
sockname: AF_INET 172.22.81.122 port: 50927
peername: AF_INET 172.22.81.100 port: 8180
49: S_IFSOCK mode:0666 dev:355,0 ino:27268 uid:0 gid:0 size:0
O_RDWR|O_NONBLOCK FD_CLOEXEC
SOCK_STREAM
SO_SNDBUF(49152),SO_RCVBUF(49640),IP_NEXTHOP(0.0.193.232)
sockname: AF_INET 172.22.81.122 port: 51025
peername: AF_INET 172.22.81.99 port: 8180
51: S_IFSOCK mode:0666 dev:355,0 ino:10997 uid:0 gid:0 size:0
O_RDWR|O_NONBLOCK FD_CLOEXEC
SOCK_STREAM
SO_SNDBUF(49152),SO_RCVBUF(49640),IP_NEXTHOP(0.0.193.232)
sockname: AF_INET 172.22.81.122 port: 50900
peername: AF_INET 172.22.81.99 port: 8180
bash-3.00# ldd httpd
libssl.so.1.0.0 => /usr/local/ssl/lib/libssl.so.1.0.0
libcrypto.so.1.0.0 => /usr/local/ssl/lib/libcrypto.so.1.0.0
libdl.so.1 => /lib/libdl.so.1
libm.so.2 => /lib/libm.so.2
libaprutil-1.so.0 =>
/web/apache2-prod-showcase_second/lib/libaprutil-1.so.0
libexpat.so.0 =>
/web/apache2-prod-showcase_second/lib/libexpat.so.0
libiconv.so.2 => /usr/local/lib/libiconv.so.2
libapr-1.so.0 =>
/web/apache2-prod-showcase_second/lib/libapr-1.so.0
libuuid.so.1 => /lib/libuuid.so.1
libsendfile.so.1 => /lib/libsendfile.so.1
librt.so.1 => /lib/librt.so.1
libsocket.so.1 => /lib/libsocket.so.1
libnsl.so.1 => /lib/libnsl.so.1
libpthread.so.1 => /lib/libpthread.so.1
libc.so.1 => /lib/libc.so.1
libgcc_s.so.1 => /usr/local/lib/libgcc_s.so.1
libaio.so.1 => /lib/libaio.so.1
libmd.so.1 => /lib/libmd.so.1
libmp.so.2 => /lib/libmp.so.2
libscf.so.1 => /lib/libscf.so.1
libdoor.so.1 => /lib/libdoor.so.1
libuutil.so.1 => /lib/libuutil.so.1
libgen.so.1 => /lib/libgen.so.1
/platform/SUNW,SPARC-Enterprise-T5120/lib/libc_psr.so.1
/platform/SUNW,SPARC-Enterprise-T5120/lib/libmd_psr.so.1
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