Hi Amit-san, On Wed, Jan 17, 2019 at 10:25 AM, Amit Langote wrote: > Thank you Imai-san for testing. Sorry it totally slipped my mind to reply to > this email.
Thanks for replying and sorry for my late reply. I've been undertaking on-the-job training last week. > Are you saying that, when using auto mode, all executions of the query > starting from 7th are slower than the first 5 executions? That is, the > latency of creating and using a custom plan increases *after* a generic > plan is created and discarded on the 6th execution of the query? If so, > that is inexplicable to me. Yes. And it's also inexplicable to me. I'll check if this fact is really correct by majoring the time of the first 5 queries before generic plan is created and the other queries after generic plan is created. Yoshikazu Imai
