[Bug: 21.5-b28] itimer freezes vm

[Giacomo Boffi]

Aidan Kehoe writes:
 > 
 >  Ar an fichiú lá de mí Márta, scríobh Stephen J. Turnbull: 
 > 
 >  > Giacomo Boffi writes:
 >  > 
 >  >  > when i use vm (the mail agent) xemacs freezes very often, usually with
 >  >  > no arm and even unfreezes without manual intervention, if i go, e.g.,
 >  >  > to the coffe machine and back...
 >  > 
 >  > I believe that with Mule (at least) some operation that VM does in the
 >  > background is O(N^2) in buffer size; on a 1.8GHz AMD64 system I only
 >  > see the freezes when INBOX gets above about 60MB, but then things
 >  > rapidly get worse.
 >  > 
 >  > File I/O, specifically autosaves, can take a long time too if you have
 >  > many (> 10) VM folders open.
 > 
 > I see that on OS X, with its underperforming filesystem, but not on other
 > platforms (my VM use is mainly on 64-bit FreeBSD). Giacomo’s on Linux, so
 > that shouldn’t be it. 

 i have trimmed the size of the INBOX (it's now about 1/3) and i have
 seen an amelioration of the freezes, but freezes they are anyhow

 >  >  > aside from the bug report, is it possible to put in place an ad
 >  >  > interim workaround?
 >  > 
 >  > Sorry, not at the moment, but I plan to work on this a bit in the near
 >  > future.  You should try reporting on the VM channels (M-x
 >  > report-vm-bug is the way to go, I think).
 > 
 > It should be possible to set vm-flush-interval to nil; this will only sync
 > in-memory changes using the normal autosave procedure and manual saves. This
 > might be good enough for Giacomo. 

 i have followed your suggestion, let's see...

thank you
                                                                        gb

-- 
This message has been scanned for viruses and
dangerous content by MailScanner, and is
believed to be clean.