# Controls the maximum size of a message, in bytes
kernel.msgmnb = 65535

# Controls the default maxmimum size of a mesage queue
kernel.msgmax = 8192

# Controls the maximum shared segment size, in bytes
kernel.shmmax = 68719476736

# Controls the maximum number of shared memory segments, in pages
kernel.shmall = 2097152
kernel.sem = 256 32000 100 142
kernel.shmni = 4096
kernel.msgmni = 2878
net.core.rmem_default = 262144
net.core.wmem_default = 262144
fs.file-max = 6815744
net.core.rmem_max = 4194304
net.core.wmem_max = 1048576
fs.aio-max-nr = 1048576
net.ipv4.ip_local_port_range = 9000 65500

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sysctrl.conf for ebs installation in linux

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