set exire to 3 seconds
one second later CGI::Session=HASH(0xa965fc) / cf27e3ec9ff5a06a5bef4491e830c8b6 load
one second later CGI::Session=HASH(0x97a164) / cf27e3ec9ff5a06a5bef4491e830c8b6 load
one second later CGI::Session=HASH(0xbef68c) / cf27e3ec9ff5a06a5bef4491e830c8b6 load
one second later CGI::Session=HASH(0xbef56c) / cf27e3ec9ff5a06a5bef4491e830c8b6 load
two seconds later var=value
two seconds later var=value
two seconds later var=value
two seconds later var=value
three seconds later  CGI::Session=HASH(0xa965ec) / cf27e3ec9ff5a06a5bef4491e830c8b6 is_expired