diff options
Diffstat (limited to 'doc/doc-docbook/spec.xfpt')
| -rw-r--r-- | doc/doc-docbook/spec.xfpt | 19 |
1 files changed, 18 insertions, 1 deletions
diff --git a/doc/doc-docbook/spec.xfpt b/doc/doc-docbook/spec.xfpt index 6dcb69d47..0c4df93a7 100644 --- a/doc/doc-docbook/spec.xfpt +++ b/doc/doc-docbook/spec.xfpt @@ -4518,6 +4518,7 @@ appear in the correct order. Each flag is described in a separate item below. .cindex "queue" "routing" .cindex "routing" "whole queue before delivery" .cindex "first pass routing" +.cindex "queue runner" "two phase" An option starting with &%-qq%& requests a two-stage queue run. In the first stage, the queue is scanned as if the &%queue_smtp_domains%& option matched every domain. Addresses are routed, local deliveries happen, but no remote @@ -4525,6 +4526,10 @@ transports are run. .new Performance will be best if the &%queue_run_in_order%& option is false. +If that is so and the &%queue_fast_ramp%& option is true then +in the first phase of the run, +once a threshold number of messages are routed for a given host, +a delivery process is forked in parallel with the rest of the scan. .wen .cindex "hints database" "remembering routing" @@ -14800,6 +14805,7 @@ See also the &'Policy controls'& section above. .row &%hold_domains%& "hold delivery for these domains" .row &%local_interfaces%& "for routing checks" .row &%queue_domains%& "no immediate delivery for these" +.row &%queue_fast ramp%& "parallel delivery with 2-phase queue run" .row &%queue_only%& "no immediate delivery at all" .row &%queue_only_file%& "no immediate delivery if file exists" .row &%queue_only_load%& "no immediate delivery if load is high" @@ -16976,6 +16982,17 @@ domains that do not match are processed. All other deliveries wait until the next queue run. See also &%hold_domains%& and &%queue_smtp_domains%&. +.new +.option queue_fast_ramp main boolean false +.cindex "queue runner" "two phase" +.cindex "queue" "double scanning" +If set to true, two-phase queue runs, initiated using &%-qq%& on the +command line, may start parallel delivery processes during their first +phase. This will be done when a threshold number of messages have been +routed for a single host. +.wen + + .option queue_list_requires_admin main boolean true .cindex "restricting access to features" .oindex "&%-bp%&" @@ -29545,7 +29562,7 @@ tls_resumption_hosts = ${if inlist {$received_port}{587:465} {:}{*}} If the peer host matches the list after expansion then resumption is offered and/or accepted. -The &%tls_resumption_hosts% smtp transport option performs the +The &%tls_resumption_hosts%& smtp transport option performs the equivalent function for operation as a client. If the peer host matches the list after expansion then resumption is attempted (if a stored session is available) or the information |