We are using postgresql 7.2.xxx in Redhat Linux 9 web server and clients are connecting to this via Internet. After some conenctions, the postgresql PIDs are not properly terminatind from the server andevery connection from each branch is existing. After some time, when these number of pgsql PIDs reaches a number, then no client can connect to the application and the clients getting a mess like 'couldnot connect to the backend server' or some error. What is the problem? Is it by a configuration error?