diff options
Diffstat (limited to 'etc/sysctl.conf')
| -rw-r--r-- | etc/sysctl.conf | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/etc/sysctl.conf b/etc/sysctl.conf new file mode 100644 index 0000000..69a1460 --- /dev/null +++ b/etc/sysctl.conf @@ -0,0 +1,20 @@ +# shared memory is a method of sharing a common memory space for inter-processes communication (IPC) +# modern browsers, multimedia apps, databases, games, containers, vms + +kern.shminfo.shmall=1966080 # total number of pages, 1 page per 4096 bytes. ill put 1966080 pages for my 8gb tp ((8GB-512M)/4096) +kern.shminfo.shmmax=536870912 # cap for each shm segment, for safety, ill set it dividing my memory by 16. 512mb is enough (db shared_buffer, browser cache). +kern.shminfo.shmmni=2048 # max number of segments in a system (enough space for multitasks, containers, vms) +kern.shminfo.shmseg=2048 # max number of segments a single process can attach to (allows browsers/multimedia with many tabs/processes use multiple segments) + +# IPC semaphores (sync between processes) +kern.seminfo.semmns=4096 # total semaphores +kern.seminfo.semmni=1024 # total sets of semaphores, 1024 x average semaphores per set should equal to SEMMNS + +# Max processes and open file descriptors (enough for me. browsers, compiling, multitasking) +kern.maxproc=8192 +kern.maxfiles=16384 + +# Vnode is a kernel abstraction of a file system, it represents a file system object (good for caching) +kern.maxvnodes=100000 # max tracked filesystem objects by the kernel (open files, dirs, sockets, etc.) + +hw.blockcpu=L # enable hyperthreading, check https://www.openbsd.org/faq/faq10.html before |