PHP 4.0 Bug #9388 Updated: odbc_pconnect and hanging database connections

ID: 9388 User Update by: php@gustl.net Status: Closed Bug Type: ODBC related Description: odbc_pconnect and hanging database connections ODBC Pooling gained no performance win, I switched to MSSQL-Server, good performance, no more open persistent connections. Previous Comments: --------------------------------------------------------------------------- [2001-02-22 11:42:47] kara@php.net Apache will keep a pconnection open no matter if it's a keep-alive HTTP connection or not. If you are on windows, you could try to use the odbc drivermanager connection pooling feature and use odbc_connect() in your scripts. --------------------------------------------------------------------------- [2001-02-22 11:10:18] php@gustl.net When I open my Access Database with odbc_pconnect with NN4.7 on Apache 3.1.17, Netscape sends a "GET HTTP/1.0" request and a "Connection: Keep-Alive", but Apache answers with "Connection:close" (maybe he doesn't like keep alives with HTTP/1.0) and not with "Connection:timeout=15, max=100". With phpinfo I get "HTTP_CONNECTION=Keep-Alive", so php leaves a persistent connection open, but apache doesnt reuse it. The result is an "out of disk space" after several calls. My workaround by now is to limit Apaches MaxRequestsPerChild, which results in a 3 second pause, when this limit is reached. Gustav Graf --------------------------------------------------------------------------- [2001-02-21 17:23:42] php@gustl.net When I open my Access Database with odbc_pconnect with NN4.7 on Apache 3.1.17, Netscape sends a "GET HTTP/1.1" request and a "Connection: Keep-Alive", but Apache answers with "Connection:close" (maybe he doesn't like keep alives with HTTP/1.0) and not with "Connection:timeout=15, max=100". With phpinfo I get "HTTP_CONNECTION=Keep-Alive", so php leaves a persistent connection open, but apache doesnt reuse it. The result is an "out of disk space" after several calls. My workaround by now is to limit Apaches MaxRequestsPerChild, which results in a 3 second pause, when this limit is reached. Gustav Graf --------------------------------------------------------------------------- Full Bug description available at: http://bugs.php.net/?id=9388