search for: dirhash_mem

Hello, I have a RAID-6 Partition with the Areca ARC-1231 card on a S5000PAL Intel system with 6 disks as part of the raid volume. The system has been set up as Write-back cache and the raid card has a 2 GIG memory cache on it. It is installed on Freebsd 7.0 STABLE with SCHED_ULE enabled. I have a folder with a lot of small and big files in it that total 3009 files. In the user system we

...values by 10 would benefit most FreeBSD users without disadvantage. vfs.ufs.dirhash_maxmem: 2097152 to 20971520 vfs.ufs.dirhash_reclaimage: 5 to 50 or 60 FreeBSD administrators who have adjusted vfs.ufs.dirhash_maxmem for file server use have found 8 megs to be about minimum to satisfy vfs.ufs.dirhash_mem usage, while I have found compiling larger packages such as Firefox brings vfs.ufs.dirhash_mem up to about 13 megs. Setting vfs.ufs.dirhash_maxmem much larger than 20 megs results in vfs.ufs.dirhash_lowmemcount events scavenging excessive amounts of the directory cache, at 10% per event. I beli...

Hello Got strange problem with high system "%system load" and very slow user level programs (apache+php+mysql) behavior gstat shows 1.5-4% hard disk busy load but system shows about 20-30% load while user load is max 5%. vmstat shows from 2 to 35 process in "b" state. Now use 7.0-RELEASE-p5 , but the same problem was with 7.0-RELEASE. And have no idea what to do with this.

...pageout_stats_interval: 5 vm.swap_idle_enabled: 0 vm.defer_swapspace_pageouts: 0 vm.disable_swapspace_pageouts: 0 vm.pageout_lock_miss: 0 vm.idlezero_enable: 1 vm.idlezero_maxrun: 16 vm.kvm_size: 1069543424 vm.kvm_free: 314568704 vfs.ufs.dirhash_minsize: 2560 vfs.ufs.dirhash_maxmem: 2097152 vfs.ufs.dirhash_mem: 53243 vfs.ufs.dirhash_docheck: 0 vfs.nfs.downdelayinitial: 12 vfs.nfs.downdelayinterval: 30 vfs.nfs.realign_test: 0 vfs.nfs.realign_count: 0 vfs.nfs.bufpackets: 4 vfs.nfs.reconnects: 0 vfs.nfs.nfs3_jukebox_delay: 10 vfs.nfs.iodmaxidle: 120 vfs.nfs.iodmin: 4 vfs.nfs.iodmax: 20 vfs.nfs.defect: 0 vfs...