Owner: unix - linux - storage URL:http://unixfoo.blogspot.com Join Date: Mon, 23 Jun 2008 02:05:00 -0500 Rating:0 Site Description: Unix Linux Storage , netapp, performance tuning, automation, hacks, tips, documents and useful hints Site statistics:Click here
prelink : Improve your system performance. 2008-09-14 23:29:00 prelink is a program which modifies ELF shared libraries and ELF dynamically linked binaries, so that the time which dynamic linker needs for their relocation at startup significantly decreases and also due to fewer relocations the run-time memory consumption decreases too . Such prelinking information is only used if all its dependant libraries have not changed since prelinking, otherwise p Read more:Improve
sginfo : Disk information 2008-09-14 06:49:00 sginfo command in Linux can be used to get information
about the SCSI disks on the system. Display disk vendor, product code and firmware version : [root@unixfoo ~]# sginfo /dev/sddDevice Type 0Vendor: &
Fileop : Iozone benchmarking 2008-11-06 02:54:00 Iozone Linux filesystem benchmarking tool has another cool utility called "fileop". This utility does file operation on the filesystem and gives the ops/sec for each operation. This tool will be useful to test your filesystem performance as well as storage performance. Or, if you are going to select a filesystem or storage that is going to host huge number of small files (like source codes), then
HPUX : Kernel Tunable parameters 2008-11-04 02:20:00 /usr/sbin/kctune is the administrative command for HP-UX kernel tunable parameters
. It gives information about tunable parameters and their values, and makes changes to tunable values.To list all tunable paramters : # kctuneTunable Value Expression &n
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