At 14:19 16.12.2009 -0800, Wayne Davison wrote:
>On Tue, Dec 15, 2009 at 11:41 PM, Fabian Cenedese
><<mailto:[email protected]>[email protected]> wrote:
>I think I know now where my confusion comes from. The reported time is not
>the actual time without action but the time since the start of the rsync
>command.
>
>
>It shouldn't be, since it is reporting the time elapsed since the last input
>was received. Â I'd suggest running an strace on the rsync and seeing what it
>is doing. Â I'd imagine that some system call does not return for an extended
>amount of time, and then, when rsync finally gets control back and checks for
>the elapsed time since the last received input, it is a really long amount.
I now have a trace with a timeout case (almost 300MB). What do I need to look
for? I don't see immediately what part lead to the timeout. A short snippet:
13:18:51 ioctl(1, TIOCGPGRP, [17723]) = 0
13:18:51 write(1, " 955908096 45% 44.22kB/s "..., 41) = 41
13:18:51 select(5, NULL, [4], [4], {60, 0}) = 1 (out [4], left {60, 0})
13:18:51 write(4, "\374\17\0\7", 4) = 4
...
13:18:52 select(5, NULL, [4], [4], {60, 0}) = 1 (out [4], left {60, 0})
13:18:52 write(4,
"qo\223\16\352\240\31z`\374;\350\203\374\2551\252\354\335"..., 4092) = 4092
13:18:52 time(NULL) = 1261138732
13:18:52 select(5, NULL, [4], [4], {60, 0}) = 1 (out [4], left {60, 0})
13:18:52 write(4, "\374\17\0\7", 4) = 4
13:18:52 time(NULL) = 1261138732
13:18:52 select(5, NULL, [4], [4], {60, 0}) = 1 (out [4], left {60, 0})
13:18:52 write(4, "\367\344\356\325UUM3\273*<17\7\256D\255\225x0\345^{\203"...,
4092) = 4092
13:18:52 time(NULL) = 1261138732
13:18:52 select(5, NULL, [4], [4], {60, 0}) = 0 (Timeout)
13:19:52 time(NULL) = 1261138792
13:19:52 write(2, "io timeout after 9720 seconds --"..., 40) = 40
13:19:52 write(2, "\n", 1) = 1
13:19:52 rt_sigaction(SIGUSR1, {SIG_IGN}, NULL, 8) = 0
13:19:52 rt_sigaction(SIGUSR2, {SIG_IGN}, NULL, 8) = 0
Should I trace with different flags?
Thanks
bye Fabi
PS: I'll be away for two weeks so I can only give more info in the new year.
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