My 3B1 FIXDISK 2.0 experience (so far, LONG)
Augustine Cano
afc at shibaya.lonestar.org
Sat Oct 13 02:22:12 AEST 1990
In article <1990Oct10.111528.13746 at uhura.neoucom.EDU> wtm at uhura.neoucom.EDU (Bill Mayhew) writes:
>One thing I should add is that my system has a voice power board in
>the middle slot of the backplane. I've noticed that if I run the
>voice manager daemon that my average uucp transfers drop from about
>1400 char/sec to around 1200 char/sec (3.51). The behavior is quite
>repeatable by running setvm on, transferring a file, setvm off,
>transferring a file then compare the results. It is a bit puzzling,
>as the voice manager should be spending most of its time sleeping,
>and only needs to wake up in reponse to ring or off-hook event. The
>ps command corroborates this, suggesting that voicemgr is not
>executing a polling loop as indicated by the execution time.
I remember reading in the voice power docs a categorical warning *NOT*
to run the voice manager daemon unless you intend to run the answering
machine. It seems that they knew about the performance problems.
>The decrease in uucp performance I noticed the FIXDISK kernel was
>about the same amount. If I get a chance, I'll switch back to the
>3.51m kernel without the voice power board to see if that makes a
>difference.
I'd bet the culprit is setvm.
>[...]
>
>==Bill==
>--
>Bill Mayhew NEOUCOM Computer Services Department
>Rootstown, OH 44272-9995 USA phone: 216-325-2511
>wtm at uhura.neoucom.edu ....!uunet!aablue!neoucom!wtm
>via internet: (140.220.001.001)
--
Augustine Cano INTERNET: afc at shibaya.lonestar.org
UUCP: ...!{ernest,tsci,egsner}!shibaya!afc
More information about the Comp.sys.att
mailing list