New answers tagged statistics
You'll want to use the built-in extension pg_stat_statements, or the external pg_stat_plans enhanced approach. There aren't any network I/O statistics kept by PostgreSQL yet. There's someone working on it for 9.4, though I don't know if it'll get accepted into 9.4.
I have checked on sql 2012 RTM and SP1, this trace flag TF 2317 is not enabled by default. I have not seen this Trace Flag used widely, except on SQL Server running SAP. Also, if you are facing issues due to AUTO_UPDATE_STATISTICS then only you should consider enabling this trace flag. My suggestion is that, monitor your statistics using ...
I was just about to create a table, insert a bunch of data, create some statistics and do a test. But then I remembered this excellent blog post Erin Stellato wrote over on her blog. She's done that already. Her tests show 20% in action. You can take what she's done her and the scripts provided, test it on your environment and witness the behavior yourself. ...
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