This topic provides the results of online transaction processing (OLTP) performance tests on PolarDB for MySQL 5.7.
Note For more information about test procedures, see OLTP performance tests.
Test results of clusters that have the primary node and one read-only node
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Figure 1. Read-only performance of different specifications -
Figure 2. Write-only performance of different specifications -
Figure 3. Read-write performance of different specifications
Test results of clusters that have the primary node and multiple read-only nodes

Note
- The preceding figure shows the test result of read-only queries per second (QPS) when the clusters that are connected by using cluster endpoints are tested.
- The preceding test uses clusters whose node specifications are 4 cores and 16 GB.