Why nfs-ganesha crash while accessing data over FSAL_RGW in RHCS ?

Issue

• The nfs-ganesha service crashing frequently with below error

  Jan 01 00:00:09 el6601 abrt-hook-ccpp: Process 12345 (ganesha.nfsd) of user 0 killed by SIGABRT - dumping core
  Jan 01 00:00:18 el6601 abrt-hook-ccpp: Failed to create core_backtrace: waitpid failed: No child processes
  Jan 01 00:00:18 el6601 abrt-hook-ccpp: /var/spool/abrt is 5546424865 bytes (more than 1279MiB), deleting 'ccpp-2019-04-04-14:35:52-38835'
  Jan 01 00:00:18 el6601 systemd: nfs-ganesha.service: main process exited, code=killed, status=6/ABRT
  Jan 01 00:57:10 el6601 abrt-server: Generating core_backtrace