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e99c43907c
It is possible to start too many applets on sporadic burst of events after an inactivity period. It is due to the way we estimate if a new applet must be created or not. It is based on a frequency counter. We compare the events processing rate against the number of events currently processed (in progress or waiting to be processed). But we should also take care of the number of idle applets. We already track the number of idle applets, but it is global and not per-thread. Thus we now also track the number of idle applets per-thread. It is not a big deal because this fills a hole in the spoe_agent structure. Thanks to this counter, we can refrain applets creation if there is enough idle applets to handle currently processed events. This patch should be backported to every stable versions. |
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