[amq]

When I tested CockroachDB, I did a single-node and multi-node comparison to Galera. I was ready to accept that multi-node is going to have a performance hit, but what surprised me the most was that the single-node performance was roughly 5-10 times worse with CockroachDB.

https://github.com/cockroachdb/cockroach/issues/17777#issuec...

[hnkimb3558]

I just read up on that issue. We will follow up with updated measurements with CRDB 2.0. The big reason for the discrepancies you measured is likely the fact that each sqlbench write transaction is doing six consecutive consensus writes (incl. commit). With CRDB, you need to parallelize your transaction writes using the `RETURNING NOTHING` syntax, which would likely be a significant improvement. This manual tuning is obviously sub-optimal, and will not be required in the next version of CockroachDB (2.1 in October).