avimas commented on a change in pull request #6862:
URL: https://github.com/apache/pulsar/pull/6862#discussion_r419102917
##########
File path:
pulsar-client/src/main/java/org/apache/pulsar/client/impl/ConsumerBase.java
##########
@@ -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:
The above solution is correct but it users can get confused to see their
batchRecieve policy configuration has changed
Why not changing the function hasEnoughMessagesForBatchReceive to return
true when
incomingMessages.size() >= maxReceiverQueueSize ?
protected boolean hasEnoughMessagesForBatchReceive() {
if (batchReceivePolicy.getMaxNumMessages() <= 0 &&
batchReceivePolicy.getMaxNumBytes() <= 0) {
return false;
}
return (batchReceivePolicy.getMaxNumMessages() > 0 &&
incomingMessages.size() >= batchReceivePolicy.getMaxNumMessages())
|| (batchReceivePolicy.getMaxNumBytes() > 0 &&
INCOMING_MESSAGES_SIZE_UPDATER.get(this) >=
batchReceivePolicy.getMaxNumBytes()) || (incomingMessages.size() >=
maxReceiverQueueSize);
}
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