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The following table summarizes the default QoS of the popular RMWs.
QoS Policy
rmw_cyclonedds_cpp
rmw_zenoh
rmw_fastrtps_cpp
History
Keep Last (Depth = 1)
Keep Last (Depth = 42)
Keep Last (Depth = 1)
Reliability
Reliable
Reliable
Best Effort
Durability
Volatile
Transient Local
Volatile
Lifespan
Infinite (if unspecified)
Infinite
Infinite
Deadline
Infinite (if unspecified)
Infinite
Infinite
Liveliness
Automatic
Automatic
Automatic
Liveliness Lease Duration
Infinite (if unspecified)
Infinite
Infinite
The question is why we use Transient Local by default. This different QoS setting causes the failure at nav2_behavior_tree/test/plugins/condition/test_is_battery_low. Since navigation2 simply uses the default QoS in the test and expect the durability is volatile.
The text was updated successfully, but these errors were encountered:
The following table summarizes the default QoS of the popular RMWs.
The question is why we use Transient Local by default. This different QoS setting causes the failure at nav2_behavior_tree/test/plugins/condition/test_is_battery_low. Since navigation2 simply uses the default QoS in the test and expect the durability is volatile.
The text was updated successfully, but these errors were encountered: