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Special Forums Hardware Filesystems, Disks and Memory Optimizing the system reliability Post 32737 by Perderabo on Thursday 5th of December 2002 10:09:42 AM
Old 12-05-2002
It's hard to give a specific reply without knowing the details. But for performance, you need to benchmark it. And remember that you probably won't find one magic number, you just want to be in the right ballpark.

Reliability will require duplicate servers, preferably in different cities. You may be able to dedicate a disk drive (or other resource) to each instance of your program. But then that will dominate your tuning decisions.
 

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svc(8)							      System Manager's Manual							    svc(8)

NAME
svc - controls services monitored by supervise(8). SYNOPSIS
svc [ -udopchaitkx ] services DESCRIPTION
services consists of any number of arguments, each argument naming a directory used by supervise(8). svc applies all the options to each service in turn. OPTIONS
-u Up. If the service is not running, start it. If the service stops, restart it. -d Down. If the service is running, send it a TERM signal and then a CONT signal. After it stops, do not restart it. -o Once. If the service is not running, start it. Do not restart it if it stops. -p Pause. Send the service a STOP signal. -c Continue. Send the service a CONT signal. -h Hangup. Send the service a HUP signal. -a Alarm. Send the service an ALRM signal. -i Interrupt. Send the service an INT signal. -t Terminate. Send the service a TERM signal. -k Kill. Send the service a KILL signal. -x Exit. supervise(8) will exit as soon as the service is down. If you use this option on a stable system, you're doing something wrong; supervise(8) is designed to run forever. SEE ALSO
supervise(8), svok(8), svstat(8), svscanboot(8), svscan(8), readproctitle(8), fghack(8), pgrphack(8), multilog(8), tai64n(8), tai64nlo- cal(8), setuidgid(8), envuidgid(8), envdir(8), softlimit(8), setlock(8) http://cr.yp.to/daemontools.html svc(8)
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