Ted Ross created DISPATCH-1281:
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Summary: Performance - Batch the freeing of messages from the core
thread
Key: DISPATCH-1281
URL: https://issues.apache.org/jira/browse/DISPATCH-1281
Project: Qpid Dispatch
Issue Type: Improvement
Components: Router Node
Reporter: Ted Ross
Assignee: Ted Ross
Fix For: 1.6.0
Profiling has identified a disproportionate amount of core-thread time being
spent in qdr_delete_delivery_internal_CT. This is due to the fact that every
in-core delivery-free results in the posting of one unit of general work (work
to be performed by an I/O thread without any association with a particular
connection).
This improvement batches the freed messages to be handled at one time, with one
unit of general work, at the end of the processing of each set of core-thread
actions.
The result is a greater degree of batching of message-cleanups when the core
thread is busier. This will free up core-thread CPU capacity for when the
router is the busiest.
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