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UNIX for Advanced & Expert Users
I/O Stats Metrics
Post 302075806 by LivinFree on Wednesday 7th of June 2006 12:38:48 AM
06-07-2006
I/O Stats Metrics
What do others use for measuring I/O statistics? I'd like something versatile, as in being able to watch (like iostat, but easier to trend), generate load (like iozone, but more realistic), and perform somewhat generalized benchmarks (like bonnie, but more current.) It would scale from a few filesystems to several hundred filesystems.
Another utility I'd like to keep my eye for would be a way to list outstanding lock operations...
This would all be used on GNU/Linux systems, SLES and RHEL. Basically, generate a load of read/write activity similar to production without having actual production - piece of cake, no?
Another utility I'd like to keep my eye for would be a way to list outstanding lock operations...
This would all be used on GNU/Linux systems, SLES and RHEL. Basically, generate a load of read/write activity similar to production without having actual production - piece of cake, no?
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LEARN ABOUT DEBIAN
virtual-filesystems
virtual-filesystems(7) Miscellaneous Information Manual virtual-filesystems(7) NAME
virtual-filesystems - event signalling that virtual filesystems have been mounted SYNOPSIS
virtual-filesystems [ENV]... DESCRIPTION
The virtual-filesystems event is generated by the mountall(8) daemon after it has mounted all virtual filesystems listed in fstab(5). mountall(8) emits this event as an informational signal, services and tasks started or stopped by this event will do so in parallel with other activity. This event is typically used by services that must be started in order to mount other filesystems. When this event occurs, common filesys- tems such as /usr may not be mounted. For most normal services the filesystem(7) event is sufficient. EXAMPLE
A service that wishes to be running once virtual filesystems are mounted might use: start on virtual-filesystems SEE ALSO
mounting(7) mounted(7) local-filesystems(7) remote-filesystems(7) all-swaps(7) filesystem(7) mountall 2009-12-21 virtual-filesystems(7)