What is your situation?
Seeing about 5-10k qps dip in performance on the same machine shapes and identical setup compared to 20.1.5

Select all that apply:

• is there a difference between the performance you expect and the performance you observe?
• do you want to improve the performance of your app?
• are you surprised by your performance results?

Observed performance

What did you see? How did you measure it?

If you have already ran tests, include your test details here:

• which test code do you use? YCSB workloada
• how many clients per node? none, clients are external to the nodes
• how many requests per client / per node? 128 threads across 3 clients

Application profile

Performance depends on the application. Please help us understand how you use CockroachDB before we can discuss performance.

• What is the storage profile? Tested with Pebble and Rocks on 20.2 beta 1.
  • how many nodes? 9
  • how much storage? 6TB capacity
  • how much data? 5min load
  • replication factor? 3

Requested resolution

When/how would you consider this issue resolved?

Select all that applies:

• I seek guidance as to how to tune my application or CockroachDB deployment.
• I want CockroachDB to be optimized for my use case.

Repro steps are described in the following document