diff options
| author | Philip Hazel <ph10@hermes.cam.ac.uk> | 2005-09-19 11:56:11 +0000 |
|---|---|---|
| committer | Philip Hazel <ph10@hermes.cam.ac.uk> | 2005-09-19 11:56:11 +0000 |
| commit | 6af56900ac77d083b8c3abc76bd808e6718412ee (patch) | |
| tree | c1deef021e181355c5a4ca6689f2c26ce6b7ad06 /doc | |
| parent | 7a546ad529bc715e345141261097737a986af03c (diff) | |
Michael Haardt's randomized retry stuff, using the new letter "H".
Diffstat (limited to 'doc')
| -rw-r--r-- | doc/doc-txt/ChangeLog | 5 | ||||
| -rw-r--r-- | doc/doc-txt/NewStuff | 12 |
2 files changed, 15 insertions, 2 deletions
diff --git a/doc/doc-txt/ChangeLog b/doc/doc-txt/ChangeLog index 3f2121c1c..c3d1fe70a 100644 --- a/doc/doc-txt/ChangeLog +++ b/doc/doc-txt/ChangeLog @@ -1,4 +1,4 @@ -$Cambridge: exim/doc/doc-txt/ChangeLog,v 1.235 2005/09/19 09:41:37 fanf2 Exp $ +$Cambridge: exim/doc/doc-txt/ChangeLog,v 1.236 2005/09/19 11:56:11 ph10 Exp $ Change log file for Exim from version 4.21 ------------------------------------------- @@ -207,6 +207,9 @@ TF/06 The fix for widen_domains has also been applied to qualify_single and search_parents which are the other dnslookup options that can cause header rewrites. +PH/49 Michael Haardt's randomized retrying, but as a separate retry parameter + type ("H"). + Exim version 4.52 ----------------- diff --git a/doc/doc-txt/NewStuff b/doc/doc-txt/NewStuff index cd69ef60e..4640547ae 100644 --- a/doc/doc-txt/NewStuff +++ b/doc/doc-txt/NewStuff @@ -1,4 +1,4 @@ -$Cambridge: exim/doc/doc-txt/NewStuff,v 1.71 2005/09/15 12:22:41 fanf2 Exp $ +$Cambridge: exim/doc/doc-txt/NewStuff,v 1.72 2005/09/19 11:56:11 ph10 Exp $ New Features in Exim -------------------- @@ -155,6 +155,16 @@ TF/01 There's a new script in util/ratelimit.pl which extracts sending rates from log files, to assist with choosing appropriate settings when deploying the ratelimit ACL condition. +PH/13 A new letter, "H", is available in retry parameter sets. It is similar + to "G" (geometric increasing time intervals), except that the interval + before the next retry is randomized. Each time, the previous interval is + multiplied by the factor in order to get a maximum for the next interval. + The mininum interval is the first argument of the parameter, and an + actual interval is chosen randomly between them. Such a rule has been + found to be helpful in cluster configurations when all the members of the + cluster restart at once, and may synchronize their queue processing + times. + Exim version 4.52 ----------------- |