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Update default Broker/CAF thread tuning

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This commit is contained in:
Jon Siwek 2018-09-07 17:49:34 -05:00
parent 9af0255ef7
commit 4bd6da7186
4 changed files with 57 additions and 48 deletions
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40
scripts/base/frameworks/broker/main.bro
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@ -61,17 +61,37 @@ export {
## control mechanisms).
const congestion_queue_size = 200 &redef;
## Max number of threads to use for Broker/CAF functionality. Setting to
## zero implies using the value of BRO_BROKER_MAX_THREADS environment
## variable, if set, or else typically defaults to 4 (actually 2 threads
## when simply reading offline pcaps as there's not expected to be any
## communication and more threads just adds more overhead).
const max_threads = 0 &redef;
## Max number of threads to use for Broker/CAF functionality. The
## BRO_BROKER_MAX_THREADS environment variable overrides this setting.
const max_threads = 1 &redef;
## Max number of microseconds for under-utilized Broker/CAF
## threads to sleep. Using zero will cause this to be automatically
## determined or just use CAF's default setting.
const max_sleep = 0 &redef;
## Interval of time for under-utilized Broker/CAF threads to sleep
## when in "moderate" mode.
const moderate_sleep = 16 msec &redef;
## Interval of time for under-utilized Broker/CAF threads to sleep
## when in "relaxed" mode.
const relaxed_sleep = 64 msec &redef;
## Number of work-stealing polling attempts for Broker/CAF threads
## in "aggressive" mode.
const aggressive_polls = 5 &redef;
## Number of work-stealing polling attempts for Broker/CAF threads
## in "moderate" mode.
const moderate_polls = 5 &redef;
## Frequency of work-stealing polling attempts for Broker/CAF threads
## in "aggressive" mode.
const aggressive_interval = 4 &redef;
## Frequency of work-stealing polling attempts for Broker/CAF threads
## in "moderate" mode.
const moderate_interval = 2 &redef;
## Frequency of work-stealing polling attempts for Broker/CAF threads
## in "relaxed" mode.
const relaxed_interval = 1 &redef;
## Forward all received messages to subscribing peers.
const forward_messages = F &redef;