3.4.2.1 Message: Start
Topic Version | 1 | Published | 10/31/2016 | |
For Standard | ETP v1.1 |
Start the protocol. Includes parameters to throttle size and rate of messages. Note that use of these parameters may cause real-time data to be lost.
Message Type ID: 0
Correlation Id Usage: n/a
Multi-part: False
Sent by: consumer
Attribute |
Description |
Data Type |
Min |
Max |
---|---|---|---|---|
maxMessageRate |
Do not send two channel messages within a smaller window than this value (in milliseconds). |
int |
1 |
1 |
maxDataItems |
Do not send more than this number of data points in a single message. |
int |
1 |
1 |
Avro Source |
---|
{ "type": "record", "namespace": "Energistics.Protocol.ChannelStreaming", "name": "Start", "messageType": "0", "protocol": "1", "senderRole": "consumer", "protocolRoles": "producer,consumer", "fields": [ { "name": "maxMessageRate", "type": "int" }, { "name": "maxDataItems", "type": "int" } ] } |