On Thu, Oct 4, 2018 at 8:22 PM, Yotsunaga Naoki wrote: Hi, I understood and thought of your statistic comment once again. In the case of sampling, is there enough statistic to investigate? In the case of a long SQL, I think that it is possible to obtain a sufficient sampling number.
However, in the case of about 1 minute of SQL, only 60 samples can be obtained at most. #Because legard’s comment. https://www.postgresql.org/message-id/1539158356795-0.post%40n3.nabble.com Does this sampling number of 60 give information that I really want? Perhaps it is not to miss the real problem part? --------------------------------------- Naoki, Yotsunaga.
