Hi Shaomin, Before starting to provide best performance, JVM needs some time to warm up and apply all JIT optimizations. It sounds like you're running the query only once, so this doesn't happen. Do this several times in a loop and you should get 0ms timings.
-Val -- View this message in context: http://apache-ignite-users.70518.x6.nabble.com/SQL-query-performance-tp3202p3206.html Sent from the Apache Ignite Users mailing list archive at Nabble.com.
