#22370 [Opn->Fbk]: CLOSE_WAIT sockets cause Apache to hit nofiles rlimit

ID: 22370 Updated by: wez@php.net Reported By: a at webfiends dot com -Status: Open +Status: Feedback Bug Type: Sockets related Operating System: Solaris 8 PHP Version: 4.3.1 New Comment: Please try using this CVS snapshot: http://snaps.php.net/php4-STABLE-latest.tar.gz For Windows: http://snaps.php.net/win32/php4-win32-STABLE-latest.zip A fix for Bug #21713 went into CVS last night; it will most likely fix this problem as well. Please try a stable snapshot and report back to us. Previous Comments: ------------------------------------------------------------------------ [2003-02-21 22:06:17] a at webfiends dot com When including a remote URL... [...] <? include('http://www.php.net') ?> [...] The socket to the remote server is left in CLOSE_WAIT. Eventually the Apache process runs out of file descriptors. root@sweb-5134.atl7.sol.web.uu.net (29)# netstat -an | grep 64.246.30.37 63.111.105.8.44978 64.246.30.37.80 5840 0 24820 0 CLOSE_WAIT 63.111.105.8.44980 64.246.30.37.80 5840 0 24820 0 CLOSE_WAIT [...] root@sweb-5134.atl7.sol.web.uu.net (30)# pfiles 4706 4706: /usr/local/apache/1.3.27/bin/httpd -f /etc/servers/apache/1.3.27/unixd Current rlimit: 262 file descriptors [...] 13: S_IFSOCK mode:0666 dev:229,0 ino:23031 uid:0 gid:0 size:0 O_RDWR sockname: AF_INET 63.111.105.8 port: 44988 peername: AF_INET 64.246.30.37 port: 80 14: S_IFSOCK mode:0666 dev:229,0 ino:25628 uid:0 gid:0 size:0 O_RDWR sockname: AF_INET 63.111.105.8 port: 45008 peername: AF_INET 64.246.30.37 port: 80 [...] This problem doesn't occur with 4.2.3 on Solaris 8. When all of the file desriptors have been used up, the child process can't include files or lauch external processes e.g. sendmail. [Thu Feb 20 12:02:48 2003] [error] [client 63.230.229.161] (24)Too many open files: file permissions deny server access: /export/home/xxxxxx/html/includes/common.inc Here's our configure line... [..] env CC=gcc CFLAGS='-I/usr/local/openssl/0.9.7/include' \ ./configure \ --prefix=/usr/local/php/4.3.1 \ --enable-safe-mode=yes \ --enable-memory-limit=yes \ --with-mysql=/usr/local/mysql/3.23.55 \ --with-gd \ --with-apxs=/usr/local/apache/1.3.27/bin/apxs \ --with-jpeg-dir=/usr/local \ --with-xpm-dir=/usr/local \ --with-png-dir=/usr/local \ --with-zlib-dir=/usr/local \ --with-openssl=/usr/local/openssl/0.9.7 \ --enable-wddx \ --enable-debug=no [..] ------------------------------------------------------------------------ -- Edit this bug report at http://bugs.php.net/?id=22370&edit=1