severity 537332 grave
thanks
justification: involuntary denial of service attack
Hi,
as announed earlier I tried to run gdb on liferea. Other than the
previous times the writes did not start around 0:00. It looks more like
24 hours after being started.
gdb does not show anything interesting (at least when I'm using it):
It resides in this gtk_main_loop thingy and has only one thread. As I
did not install liferea-dbg yet, I couldn't see anything useful.
strace revealed a bit more:
$ strace -tp 31028 2>&1 | grep unlink | head -n100 | uniq -c
6 09:11:57 unlink("/home/helmut/.liferea_1.6/liferea.db-journal") = 0
13 09:11:58 unlink("/home/helmut/.liferea_1.6/liferea.db-journal") = 0
14 09:11:59 unlink("/home/helmut/.liferea_1.6/liferea.db-journal") = 0
14 09:12:00 unlink("/home/helmut/.liferea_1.6/liferea.db-journal") = 0
This means that liferea unlinks its journal about 13 times per second!
Another interesting thing is that it has a http connection open
permanently and does like 4 requests per second on that connection.
So my theory currently is: Liferea runs into updating the feed
http://forum.psi-im.org/forum.php?req=rss&type=1&forum=5. The update
interval is 24 hours which explains the timing above. It then fails in
some strange way and updates again. This imposes problems on both sides:
forum.psi-im.org gets DoSed by me and liferea imposes bandwidth costs
for me. This why I think severity grave is really needed. It really
breaks unrelated things. Hope we can work this out, soon. I changed the
update interval for that feed to manual for now.
Helmut
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