Although Adaptive Server allows you to define over 2,000,000,000 logins per server, the actual number of users that can connect to Adaptive Server at one time is limited by:
The value of the number of user connections configuration parameter, and
The number of file descriptors available for Adaptive Server. Each login uses one file descriptor for the connection.
The datatype of the server process ID (spid)
has not been changed. Therefore, the maximum number of concurrent
tasks running on the server is still 32,000.
Allowing the maximum number of logins and simultaneous
connections
Configure the operating system on which Adaptive Server is running for at least 32,000 file descriptors.
Set the value of number of user connections to at least 32,000.
Before Adaptive Server can have more than 64K logins
and simultaneous connections, you must first configure the operating
system for more than 64K file descriptors. See your operating system documentation
for information about increasing the number of file descriptors.
