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FreeBSD General Other questions regarding FreeBSD which do not fit in any of the categories below. |
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I want to squeeze more power from my FreeBSD desktop. Trivia like shortening boot time or using lightweight WM already done.
I've recompiled everything from scratch, setting march='my CPU model' I've got nice partition layout, as described in man tuning. I've followed a few guides on the net, which gave me: sysctl.conf: Code:
kern.maxfiles=49312 # I know what it does kern.sched.preempt_thresh=224 # But what bigger preemption treshold really means? It won't kick apps to the end of a queue so often? Cause it's how I understand it... kern.ipc.shm_allow_removed=1 # Only info I've found is that it's disabled by default for security reasons, but otherwise it's safe to use... kern.ipc.shmmax=67108864 # Know what it does. kern.ipc.shmall=32768 # But not really sure about values... I have heard that it's enough to boost X. And yeah, it feels a bit more responsive... ![]() rc.conf: Code:
ifconfig_em0="DHCP" sshd_enable="NO" ntpd_enable="YES" ntpdate_enable="YES" ntpdate_hosts="in.pool.ntp.org" powerd_enable="YES" powerd_flags="-a hiadaptive" hald_enable="YES" dbus_enable="YES" dumpdev="NO" sendmail_enable="NONE" sendmail_msp_queue_enable="NO" sendmail_outbound_enable="NO" sendmail_submit_enable="NO" cupsd_enable="YES" devfs_system_ruleset="system" clear_tmp_enable="YES" clean_tmp_X="YES" loader.conf: Code:
kern.ipc.shmseg=1024 kern.ipc.shmmni=1024 kern.maxproc=10000 tmpfs_load="YES" hint.acpi_throttle.0.disabled="1" # This one I don't really get... kern.timecounter.hardware=HPET # This one I don't really get... kern.hz=1000 # Back on linux I had to choose that @ compilation time :) Maybe there is a parameter to set it, but I don't know about any... vfs.read_max=32 # Rise it? P.S. FreeBSD tweakability is absolutely awesome! ![]() |
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You can tune "kern.cam.scsi_delay",
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Other than this, check: http://www.freebsd.org/doc/en_US.ISO...ning-disk.html http://www.freebsd.org/doc/en_US.ISO...el-limits.html |
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