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Version 2.4.8
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max_samples_per_instance
DataWriterQos
NAME
DDS_ResourceLimitsQosPolicy::max_samples_per_instance
DESCRIPTION
This resource-limit limits the maximum number of samples that can be cached for a single instance and must be less than or equal to max_samples and greater or equal to the
DDS_HistoryQosPolicy::depth
.
DDS_HistoryQosPolicy::depth
determines how many samples are kept in case of
DDS_TRANSIENT_LOCAL_DURABILITY_QOS
durability and made available to late joining
DDS_DataReader
, while
DDS_ResourceLimitsQosPolicy::max_samples_per_instance
is the maximum number of
unacknowledged
samples the
DDS_DataWriter
can keep per instance. Thus, if max_samples_per_instance > depth it is possible to keep unacknowledged samples while limiting the number of samples made available to late joining datareaders.
RTI Connext DDS Micro Version 2.4.8
Copyright © Tue Apr 12 2016
Real-Time Innovations, Inc