snleee commented on a change in pull request #3869: add config to control kafka
fetcher size and increase default
URL: https://github.com/apache/incubator-pinot/pull/3869#discussion_r261506988
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File path:
pinot-core/src/main/java/org/apache/pinot/core/realtime/impl/kafka/KafkaStreamConfigProperties.java
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@@ -43,9 +43,12 @@
public static class LowLevelConsumer {
public static final String KAFKA_BROKER_LIST = "kafka.broker.list";
public static final String KAFKA_BUFFER_SIZE = "kafka.buffer.size";
- public static final int KAFKA_BUFFER_SIZE_DEFAULT = 512000;
+ public static final int KAFKA_BUFFER_SIZE_DEFAULT = 5120000;
Review comment:
I can see that increasing buffer size will enable to fetch larger message.
Other than that, what is the impact of increasing buffer? I guess that it will
increase the throughput but may impact on latency?
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