Should 'sync' stop terminal/system activity ? (SUMMARY)
Erwin Eder
ee at atbull.UUCP
Tue Sep 5 11:44:01 AEST 1989
In article <265 at atbull.UUCP> i write:
>_The configuration:
> 60830,UNIX V.3,16MB
>
>_The Situation:
> 2MB for BUFFERS
> 'sync' stops all terminal/system activity for
> some seconds ( until buffers are written to
> disk ? )
>
> 1MB for BUFFERS
> no troubles with sync
>
> ( of course 2MB BUFFERS is preferable, but users
> complain about terminals freezing for no obvious
> reason )
>
>_The question:
> Is it normal/ok for sync to freeze terminal activity ?
Answers :
1>From: tuvie!dpmizar!lcz (Lee Ziegenhals)
1>
1>I would appreciate any information you have on this problem. I ran into the
1>same thing on a Motorola 68030 system running SystemV/68. Motorola's response
1>was basically (1) set the file hardening switch (which turns the cache into
1>a write-through cache -- at a tremendous performance hit), or (2) use fewer
1>buffers. I don't really consider either of these an acceptable solution.
1>
1>I'm hoping to get more information from the engineers at Motorola, but I'm
1>not holding my breath...
1>
1>-Lee Ziegenhals
2>From: Bruce Funk <tuvie!osiris.cso.uiuc.edu!funk>
2>
2>Please summarize or send copy of responses!
(Ok! Done...)
I hope there will be more responses in comp.unix.questions plus
comp.unix.wizards plus comp.bugs.sys5 !
Followups go to comp.unix.wizards.
Please respond by e-mail. I will post a summary if there is enough interest.
thanx
Erwin Eder
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