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# Kernel sysctl configuration file
#
# For binary values, 0 is disabled, 1 is enabled. See sysctl(8) and
# sysctl.conf(5) for more details.
# Controls the use of TCP syncookies
net.ipv4.tcp_syncookies = 1
# Do not spend as much process time too early to write out dirty pages
vm.dirty_ratio = 40
# Increase the average time a process runs continuously and also improve the
# cache utilization and server style workload throughput at minor latency cost
kernel.sched_min_granularity_ns = 10000000
kernel.sched_wakeup_granularity_ns = 15000000
kernel.sched_tunable_scaling = 0
kernel.sched_latency_ns = 80000000
# Controls the maximum shared segment size, in bytes
kernel.shmmax = 4294967295
# Controls the maximum number of shared memory segments, in pages
kernel.shmall = 268435456
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