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verbose mode, and an associated -T command line option. Use it for
the imsg traces.
Requested by gilles@ who doesn't like verbose to be too verbose.
ok gilles@ chl@
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ok gilles@
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is way more optimized than what we had earlier and there's definitely stuff
we want to keep, however it is early optimization that doesn't account for
many features and makes them hard (if not impossible) to write without
ugly workarounds that ruin the purpose of the optimizations.
the backout goes to 30 May's right before the commit and catches up on all
the non-queue related commits that happened since then.
i'll work on reintroducing the ideas from this queue when the basic
features we expect from a MTA are implemented.
suggested on tech@ about a week ago, no objections, several "please make
smtpd move forward" mails from hackers and tech readers.
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Major goals:
1) Fix bad performance caused by the runner process doing full queue
read in 1s intervals. My Soekris can now happily accept >50 msg/s
while having multi-thousand queue; before, one hundred queue would
bring the system to its knees.
2) Introduce Qmail-like scheduler that doesn't write as much to the
disk so that it needs less code for servicing error conditions,
which in some places can be tricky to get right.
3) Introduce separation between the scheduler and the backend; these
two queue aspects shouldn't be too tied too each other. This means
that eg. storing queue in SQL requires rewrite of just queue_backend.c.
4) Make on-disk queue format architecture independent, and more
easily extensible, to reduce number of flag days in the future.
Minor goals:
ENOSPC no longer prevents delivery attempts, fixed session limiting
for relayed mail, improved batching of "relay via" mails, human-readable
mailq output, "show queue raw" command, clearer logging, sending
of single bounce about multiple recipients, exact delay= computation,
zero delay between deliveries while within session limit (currently
1s delay between re-scheduling is enforced), mta no longer requests
content fd, corrected session limit for bounce submissions, tiny
<100B queue files instead of multi-KB, detect loops before accepting
mail, reduce traffic on imsg channels by killing enormous struct
submit_status.
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logging on runtime.
Based on claudio@'s work on ripd, ospfd, ospf6d, dvmrpd, ldpd, bgpd.
With help/ideas/testing from gilles@ jacekm@ todd@
ok jacekm@
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and fix some of the errors caught by this. Part of a general push to
make yyerror() -Wformat clean throughout the tree.
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ok gilles@
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which still lacks many features. bringing it in tree will help working on it
more easily.
"at this stage it should go in" henning@, "move ahead" deraadt@
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