codelipenghui commented on a change in pull request #6862:
URL: https://github.com/apache/pulsar/pull/6862#discussion_r419104478
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File path:
pulsar-client/src/main/java/org/apache/pulsar/client/impl/ConsumerBase.java
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@@ -95,7 +95,16 @@ protected ConsumerBase(PulsarClientImpl client, String
topic, ConsumerConfigurat
this.schema = schema;
this.interceptors = interceptors;
if (conf.getBatchReceivePolicy() != null) {
- this.batchReceivePolicy = conf.getBatchReceivePolicy();
+ if (conf.getBatchReceivePolicy().getMaxNumMessages() >
this.maxReceiverQueueSize) {
+ BatchReceivePolicy batchReceivePolicy =
conf.getBatchReceivePolicy();
+ this.batchReceivePolicy = BatchReceivePolicy.builder()
+ .maxNumMessages(this.maxReceiverQueueSize)
+ .maxNumBytes(batchReceivePolicy.getMaxNumBytes())
+ .timeout((int)batchReceivePolicy.getTimeoutMs()/1000,
TimeUnit.SECONDS)
+ .build();
+ } else {
+ this.batchReceivePolicy = conf.getBatchReceivePolicy();
+ }
} else {
this.batchReceivePolicy = BatchReceivePolicy.DEFAULT_POLICY;
Review comment:
This will cause batch message return to the user earlier right? This
will introduce another problem, users will get the batch message before
reaching `maxNumMessage`. It's better to tell users the receiver queue size
needs to greater than the `maxNumMessage` of the batch receive policy.
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