5.2 Increase Maximum Number of Open Files

Perform the following procedure to set the max open files limit to tpdProvd:

1. Add the following command in the /usr/lib/systemd/system/tpdProvd.service file, in the Service section after "UMask" value set, which is before ExecStart command:

   # Set limit to number of open files
   LimitNOFILE=32768
   #
   # Define the commands to start/stop the service.
   ExecStart=/usr/TKLC/plat/bin/tpdProvd --daemon 

2. Run the following command:

   systemctl daemon-reload
   systemctl restart tpdProvd.service
   Before change :
   -----------------------
   
   [admusr@sanityDSRNO92102a-DNO01 ~]$ ps -ef | grep -i tpdprovd
   tpdProvd 6071 1 0 Jan16 ? 01:52:06 /usr/bin/perl -T /usr/TKLC/plat/bin/tpdProvd --daemon
   admusr 852030 849332 0 07:44 pts/1 00:00:00 grep --color=auto -i tpdprovd
    
   [admusr@sanityDSRNO92102a-DNO01 ~]$ cat /proc/6071/limits | grep -i open
   Max open files 1024 262144 files
    
   
   After change:
   --------------------
   
   [admusr@sanityDSRNO92102a-DNO01 ~]$ ps -ef | grep -i tpdprovd
   tpdProvd 852953 1 2 07:45 ? 00:00:00 /usr/bin/perl -T /usr/TKLC/plat/bin/tpdProvd --daemon
   admusr 853476 849332 0 07:46 pts/1 00:00:00 grep --color=auto -i tpdprovd
    
   [admusr@sanityDSRNO92102a-DNO01 ~]$ cat /proc/852953/limits | grep -i open
   Max open files 32768 32768 files