Date: Fri, 4 Dec 1998 01:54:19 -0800 (PST) From: asami@cs.berkeley.edu (Satoshi Asami) To: current@FreeBSD.ORG Subject: weird rsh hang Message-ID: <199812040954.BAA23296@silvia.hip.berkeley.edu>
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Hi,
I'm trying some parallel gzip's by trying a
rsh mach1 cat file | gzip | rsh mach1 cat \> file.newname
For some reason, this is turning up a large number of hung connections.
===
## ps gxwwl
UID PID PPID CPU PRI NI VSZ RSS WCHAN STAT TT TIME COMMAND
:
0 648 1 157 2 0 1272 648 select Ss ?? 2:19.74 /usr/local/sbin/sshd (sshd1)
0 3357 648 1 2 0 1296 900 select S ?? 0:01.06 /usr/local/sbin/sshd (sshd1)
0 4762 1 214 18 0 452 256 pause Is ?? 0:00.04 csh -c /usr/local/packages/pcompress packages/All/asclock-1.0.tar
0 4780 4762 212 10 0 496 188 wait I ?? 0:00.01 /bin/sh /usr/local/packages/pcompress packages/All/asclock-1.0.tar
0 4792 4780 178 2 0 780 488 select I ?? 0:00.02 rsh m16 cat /usr/local/packages/packages/All/asclock-1.0.tar
0 4793 4780 173 -6 0 568 316 piperd I ?? 0:00.23 gzip -c --best
0 4794 4780 177 2 0 780 516 select I ?? 0:00.02 rsh m16 cat > /usr/local/packages/packages/compressed/asclock-1.0.tgz
0 4799 4792 214 81 0 0 0 - Z ?? 0:00.00 (rsh)
0 4801 4794 177 -6 0 780 516 piperd I ?? 0:00.00 rsh m16 cat > /usr/local/packages/packages/compressed/asclock-1.0.tgz
0 5347 1 188 18 0 452 256 pause Is ?? 0:00.04 csh -c /usr/local/packages/pcompress packages/All/cal-3.5.tar
0 5369 5347 217 10 0 496 188 wait I ?? 0:00.01 /bin/sh /usr/local/packages/pcompress packages/All/cal-3.5.tar
0 5391 5369 188 2 0 780 488 select I ?? 0:00.02 rsh m16 cat /usr/local/packages/packages/All/cal-3.5.tar
0 5392 5369 207 -6 0 568 320 piperd I ?? 0:00.16 gzip -c --best
0 5393 5369 164 2 0 780 516 select I ?? 0:00.02 rsh m16 cat > /usr/local/packages/packages/compressed/cal-3.5.tgz
0 5397 5391 218 82 0 0 0 - Z ?? 0:00.00 (rsh)
0 5401 5393 164 -6 0 780 516 piperd I ?? 0:00.00 rsh m16 cat > /usr/local/packages/packages/compressed/cal-3.5.tgz
0 6634 635 91 10 0 176 36 nanslp S ?? 0:00.00 sleep 5
0 23514 648 0 2 0 1280 908 select I ?? 0:00.85 /usr/local/sbin/sshd (sshd1)
0 23756 648 0 2 0 1280 896 select I ?? 0:00.67 /usr/local/sbin/sshd (sshd1)
0 3666 3633 0 10 0 1608 1004 wait S p0 0:01.08 bash
:
===
I get about 10 of these for 1,500 connections over 3 machines. Any ideas?
Satoshi
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