Technology•August 29, 2019
Performance Comparison Between Apache Pulsar and Kafka: Latency
Chris Bartholomew
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Performance testing of messaging systems
OpenMessaging benchmark
Performance considerations
A note on latency tests
End-to-end latency
Publishing latency
Durability and flushing messages to disk
Message replication
Setting up the benchmark
Workloads
Apache Pulsar results
Latency with Flush
TEST 1: 1 TOPIC, 1 PARTITION
TEST 2: 1 TOPIC, 6 PARTITIONS
TEST 3: 1 TOPIC, 16 PARTITIONS
DISCUSSION
Latency without Flush
TEST 4: 1 TOPIC, 1 PARTITION
TEST 5: 1 TOPIC, 6 PARTITIONS
TEST 6: 1 TOPIC, 16 PARTITIONS
DISCUSSION
Apache Kafka results
Latency with No Flush
TEST 7: 1 TOPIC, 1 PARTITION
TEST 8: 1 TOPIC, 6 PARTITIONS
TEST 9: 1 TOPIC, 16 PARTITIONS
DISCUSSION
Latency with Flush
TEST 10: 1 TOPIC, 1 PARTITION
TEST 11: 1 TOPIC, 6 PARTITIONS
TEST 12: 1 TOPIC, 16 PARTITIONS
DISCUSSION
Wrapping up
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