79 lines
2.1 KiB
XML
79 lines
2.1 KiB
XML
<file>
|
|
<file_path>/etc/sysctl.conf</file_path>
|
|
<file_contents>
|
|
<![CDATA[
|
|
#raw
|
|
# Kernel sysctl configuration file for Red Hat Linux
|
|
#
|
|
# For binary values, 0 is disabled, 1 is enabled. See sysctl(8) and
|
|
# sysctl.conf(5) for more details.
|
|
|
|
# Controls IP packet forwarding
|
|
net.ipv4.ip_forward = 0
|
|
|
|
# Controls source route verification
|
|
net.ipv4.conf.default.rp_filter = 1
|
|
|
|
# Do not accept source routing
|
|
net.ipv4.conf.default.accept_source_route = 0
|
|
|
|
# Controls the System Request debugging functionality of the kernel
|
|
kernel.sysrq = 0
|
|
|
|
# Controls whether core dumps will append the PID to the core filename.
|
|
# Useful for debugging multi-threaded applications.
|
|
kernel.core_uses_pid = 1
|
|
|
|
# Controls the use of TCP syncookies
|
|
net.ipv4.tcp_syncookies = 1
|
|
|
|
# Controls the default maxmimum size of a mesage queue
|
|
kernel.msgmnb = 65536
|
|
|
|
# Controls the maximum size of a message, in bytes
|
|
kernel.msgmax = 65536
|
|
|
|
# Controls the maximum shared segment size, in bytes
|
|
kernel.shmmax = 68719476736
|
|
|
|
# Controls the maximum number of shared memory segments, in pages
|
|
kernel.shmall = 4294967296
|
|
|
|
# increase TCP max buffer size settable using setsockopt()
|
|
net.core.rmem_max = 16777216
|
|
net.core.wmem_max = 16777216
|
|
|
|
# increase Linux autotuning TCP buffer limit
|
|
net.ipv4.tcp_rmem = 4096 87380 16777216
|
|
net.ipv4.tcp_wmem = 4096 65536 16777216
|
|
|
|
# increase the length of the processor input queue
|
|
net.core.netdev_max_backlog = 30000
|
|
net.ipv4.tcp_max_syn_backlog = 4096
|
|
|
|
# recommended default congestion control is htcp
|
|
net.ipv4.tcp_congestion_control=htcp
|
|
|
|
# recommended for hosts with jumbo frames enabled
|
|
net.ipv4.tcp_mtu_probing=1
|
|
|
|
# increase client parallel connections
|
|
net.ipv4.ip_local_port_range = 15000 61000
|
|
net.ipv4.tcp_fin_timeout=30
|
|
|
|
# fast cycling of sockets in time_wait state and re-using them
|
|
net.ipv4.tcp_tw_recycle = 1
|
|
net.ipv4.tcp_tw_reuse = 1
|
|
|
|
# increase the maximum number of requests queued to a listen socket
|
|
net.core.somaxconn = 8192
|
|
|
|
# avoid caching tcp network transfer statistics
|
|
net.ipv4.route.flush=1
|
|
#end raw
|
|
]]>
|
|
</file_contents>
|
|
<file_owner>root.root</file_owner>
|
|
<file_permissions>644</file_permissions>
|
|
</file>
|