Edit file File name : 50-libkcapi-optmem_max.conf Content :# See the 'README.redhat' file shipped in %doc # with the libkcapi package. # # See '/usr/lib/sysctl.d/50-default.conf', # if you need or want to override this preset. # Increase the ancillary buffer size per socket. net.core.optmem_max = 81920 Save