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Optimization of Monitored Items #510

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huebl opened this issue Jun 22, 2021 · 0 comments

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Epic

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huebl commented Jun 22, 2021 •

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The following optimizations should be carried out to improve performance.

Subscription class

Generate event notifications only if necessary
https://github.com/ASNeG/OpcUaStack/blob/Release4/src/OpcUaStackServer/ServiceSet/Subscription.cpp#L152
Generate data change notifications only if necessary
https://github.com/ASNeG/OpcUaStack/blob/Release4/src/OpcUaStackServer/ServiceSet/Subscription.cpp#L179

Subscription Manager class

Add new high performance implementation of Service Transaction publish list
https://github.com/ASNeG/OpcUaStack/blob/Release4/src/OpcUaStackServer/ServiceSet/SubscriptionManager.h#L82

MonitorItem class

Add new high-performance implementation of monitored item list
https://github.com/ASNeG/OpcUaStack/blob/Release4/src/OpcUaStackServer/ServiceSet/MonitorItem.h#L76

Monitor Manager

The Monitor Item Map should only be run through once.
https://github.com/ASNeG/OpcUaStack/blob/Release4/src/OpcUaStackServer/ServiceSet/MonitorManager.cpp#L475

Check Thread Model

All samples are currently only processed with one thread. Check whether each subscription manager can use its own strand.

huebl added the Epic label

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