Test Results

Updated on 2023-03-30 GMT+08:00

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**Table 1** Test Results
Partitions	Replicas	Synchronous Replication Enabled	batch.size	Cross-AZ Production	Message Production Rate on the Client Side (Records/Second)	CPU Usage on the Server Side (broker-0)	CPU Usage on the Server Side (broker-1)	CPU Usage on the Server Side (broker-2)
3	1	No	1 KB	No	27,417	57%	58%	58%
3	1	No	16 KB	No	102,399	31%	33%	31%
3	1	No	1 KB	Yes	15,351	37%	39%	36%
3	3	Yes	1 KB	No	3859	62%	62%	60%
3	3	No	1 KB	No	11,558	89%	88%	87%

Based on the test results, the following conclusions are drawn (for reference only):

When the batch.size of production requests is 16 times larger, the message production rate increases, and the CPU usage decreases.
Compared with cross-AZ production, intra-AZ production significantly increases message production rate and CPU usage.
When the number of replicas changes from 1 to 3, the message production rate decreases significantly, and the CPU usage increases.
Compared with synchronous replication, asynchronous replication increases the message production rate and the CPU usage.

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