On 18 Okt., 20:51, Jason Grout <jason-s...@creativetrax.com> wrote:
> Other issues: mod now reports that 127G of memory is being used,
> according to top.
Well, much of it is just used for buffers / caches:
$ ssh mod free
total used free shared buffers
cached
Mem: 128156648 127599328 557320 0 1169664
62805348
-/+ buffers/cache: 63624316 64532332
Swap: 25165816 67624 25098192
> The admin script is showing that there are 472
> simultaneous worksheets on sagenb.org.
Yep, there are again many SageNB processes "running":
437 SageNB users on mod. ( 437 users, load average: 26.21, 26.28,
25.17)
3545 of 4011 processes on mod are SageNB-related.
It *might* be that Twisted allocates / opens (too many) file
descriptors without checking whether that succeeded, such that
select() later fails. Passing already closed file descriptors would
also raise an error, although the error message is not very precise
(it should be "invalid FD" / EBADF in that case).
-leif
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