[leafnode-list] Re: [beta] select_group dead slow

[Christian Ebert]

* Matthias Andree on Monday, September 04, 2006 at 01:40:34 +0200:
> Christian Ebert <blacktrash at gmx.net> writes:
>> The only difference /in the log/ is that in the meantime 2 more
>> message have arrived. Still, with leafnode-2, it took slrn
>> several seconds to enter a group with 35 unread messages, whereas
>> with leafnode-1 I can enter instantly.
>> 
>> Even more confusing is the fact that both servers behave the same
>> way, if I select *all* messages in a group.
> 
> Are you using the same spool directory for either version?

No. And I ran texpire -r after each version switch, just to be
sure.

> What is slrn sending in the "slow" case?

To judge from the log sent in my other mail, slrn issues XOVER
without the GROUP command first.

2 snippets from news.debug:

Sep  4 02:22:10 krille leafnode[970]: <MODE READER
Sep  4 02:22:10 krille leafnode[970]: >200 Leafnode 2.0.0.alpha20060831a, pleased to meet you!
Sep  4 02:22:10 krille leafnode[970]: <XOVER
Sep  4 02:22:10 krille leafnode[970]: >412 Use the GROUP command first
Sep  4 02:22:10 krille leafnode[970]: <LIST OVERVIEW.FMT
Sep  4 02:22:10 krille leafnode[970]: >215 information follows
Sep  4 02:22:10 krille leafnode[970]: <NEWGROUPS 060904 001052 GMT
Sep  4 02:22:10 krille leafnode[970]: >231 List of new newsgroups since 1157328652 follows
Sep  4 02:22:10 krille leafnode[970]: <LIST
Sep  4 02:22:10 krille leafnode[970]: >215 Newsgroups in form "group high low flags".
Sep  4 02:22:38 krille leafnode[970]: <GROUP de.comp.text.tex
Sep  4 02:22:38 krille leafnode[970]: Cannot open .overview.deleted for reading: No such file or directory
Sep  4 02:22:38 krille leafnode[970]: >211 1109 2 20080 de.comp.text.tex group selected
Sep  4 02:22:38 krille leafnode[970]: <XOVER 19202-19202
Sep  4 02:22:38 krille leafnode[970]: Cannot open .overview.deleted for reading: No such file or directory
Sep  4 02:22:38 krille leafnode[970]: >224 Overview information for postings 19202-19202:
Sep  4 02:22:38 krille leafnode[970]: <XOVER 19316-19316
Sep  4 02:22:38 krille leafnode[970]: >224 Overview information for postings 19316-19316:
Sep  4 02:22:38 krille leafnode[970]: <XOVER 19496-19496
Sep  4 02:22:38 krille leafnode[970]: >224 Overview information for postings 19496-19496:

and so on, 1 command per header, whereas in the "fast" case
(selecting group with all, unread *and* read, messages:

Sep  4 02:23:01 krille leafnode[970]: <GROUP comp.text.tex
Sep  4 02:23:01 krille leafnode[970]: Cannot open .overview.deleted for reading: No such file or directory
Sep  4 02:23:01 krille leafnode[970]: >211 1403 2 19405 comp.text.tex group selected
Sep  4 02:23:01 krille leafnode[970]: <XOVER 2-19405
Sep  4 02:23:01 krille leafnode[970]: Cannot open .overview.deleted for reading: No such file or directory
Sep  4 02:23:01 krille leafnode[970]: >224 Overview information for postings 2-19405:

c
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