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[leafnode-list] Re: texpire and long expiry times
Am 19.06.2010, 17:04 Uhr, schrieb Robert Marshall:
> Way back in November 2008 I changed the expiry for one group from 42
> to 366 days. I then didn't see any articles expire for that group
> until around December 2009 (more or less expected). However once the
> anniversary passed when lots of articles were deleted it went back to no
> articles at all being deleted.
> This group has posts more or less every day so I was expecting it to be
> trimming back ones which were over a year old. They're aren't any *very*
> long threads (I was just using texpire -vvvv) and I using my newsreader
> wasn't inspecting very old articles (just me using the server) so I'm a
> bit puzzled as to why nothing was being expired.
this might show because leafnode-2 expires thread-based unless you add the
-a option. However given this case I'd like to ask you to save the
.overview file of the group, and a lsmac.pl (a script shipped in the
tools/ source directory) listing of the group directory first, so we have
any chance at all at figuring out what might cause this.
It would keep threads (by References) non-expired if newer articles in the
same thread have been read in the expiry period. It doesn't explain why
that would keep threads that have seen no postings in a long time.
> I've just run with -f and I get
> sudo -u news /usr/local/sbin/texpire -vvvv -f uk.religion.christian
> texpire 2.0.0.alpha20060428a: check mtime only
> uk.religion.christian: 10667 articles deleted, 17861 kept
> message.id: 10667 articles deleted, 39371 kept
> Checking if there are local posts sitting in the queue...
> found 0 articles in in.coming.
> so it would appear that the access time is being modified, but that
> doesn't - afaict - explain why lots of them were expired on the
Depends on which had been read. That is a little hard to trace, as in many
configurations logs expire quick enough that we can't figure it out any
> Looking at the relevant spool directory I'm still seeing - after the
> texpire run - lots dating from Nov 2008, articles which - afaicr - didn't
> form huge threads. There's then a gap until Feb 2009 another gap and
> then a
> more uniform distribution where the threads prob extended to 12 months
> I realise that that leafnode 2 version is getting a little long in the
> tooth but I can't see - looking at NEWS - see any changes which might
> affect this.
> The man page says (under Bugs)
> Texpire is unable to delete articles in groups which have
> numbers with huge gaps.
> Could it be that the time it hit expire at the end of 2009 lots of
> were deleted and that left 'huge' gaps? - there don't appear on a quick
> to be any gaps larger than around 200.
I don't think this is the cause. Leafnode (or rather texpire) only needs
sufficient memory to cover the gaps.
Hope that gets us closer to the issue.
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