aio_monitor_run_sec.5 (2010 09)

aio_monitor_run_sec(5) aio_monitor_run_sec(5)

(Tunable Kernel Parameters)

for bursty or periodic I/O loads, this should maximize performance.

What Other Tunables Should Be Changed at the Same Time as This One?

aio_proc_threads

interacts with this tunable by setting a strict limit on the number of threads that

can be used for POSIX AIO.

aio_proc_thread_pct

interacts with this tunable by setting a limit on the number of threads that

can be used for POSIX_AIO, but does so based on a percentage of the maximum number of allowable pro-

cess threads. This allows the AIO thread pools to respond dynamically to changes in

max_thread_proc

aio_req_per_thread

deﬁnes the desired relationship between the number of POSIX AIO kernel

threads and the number of I/Os to be serviced.

WARNINGS

All HP-UX kernel tunable parameters are release speciﬁc. This parameter may be removed or have its

meaning changed in future releases of HP-UX.

Installation of optional kernel software, from HP or other vendors, may cause changes to tunable parame-

ter values. After installation, some tunable parameters may no longer be at the default or recommended

values. For information about the effects of installation on tunable values, consult the documentation for

the kernel software being installed. For information about optional kernel software that was factory

installed on your system, see HP-UX Release Notes at

http://www.hp.com/go/hpux-core-docs

AUTHOR

aio_monitor_run_sec

was developed by HP.