maqingxiang commented on a change in pull request #5304: [FLINK-8290]Modify
clientId to groupId in flink-connector-kafka-0.8
URL: https://github.com/apache/flink/pull/5304#discussion_r208790526
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File path:
flink-connectors/flink-connector-kafka-0.8/src/main/java/org/apache/flink/streaming/connectors/kafka/internals/SimpleConsumerThread.java
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@@ -123,6 +124,7 @@ public SimpleConsumerThread(
this.fetchSize = getInt(config, "fetch.message.max.bytes",
1048576);
this.bufferSize = getInt(config, "socket.receive.buffer.bytes",
65536);
this.reconnectLimit = getInt(config,
"flink.simple-consumer-reconnectLimit", 3);
+ this.clientId = config.getProperty("group.id",
"flink-kafka-consumer-legacy-" + broker.id());
Review comment:
Hi @azagrebin,
group.id and client.id are two separate concepts, it has different meanings.
I mean that there's no real meaning to the name of the client id as
"flink-kafka-consumer-legacy-" + broker.id(). As different topics consumed by
different consumers are all named with this value, it is impossible to
distinguish and difficult to troubleshoot.
I would suggest to open the client id to the user, and its default value set
"group.id value".
thanks.
Cheers
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