Please Support our Sponsors SQL Saturday is made possible with the generous support of these sponsors. You can support them by opting-in and visiting them in the sponsor area.

Don’t forget to silence your phone

Monitoring SQL 2016 on premise for performance and stability

Agenda Who is Chris Wood Look at latency Look at your execution plans – what are they telling you What indexes are you using – all of them or just some Clear out ad-hoc and prepared plans Who did I get this information from

Who is Chris Wood I am an Englishman who emigrated to Canada in 1982 I started my DBA career on CA-IDMS in 1989 and in 1997 on SQL 6.5. I have been to 12 PASS SUMMITs (learnt many things over the years that you will see) and two-time SQL Cruiser. EDMPASS Communications Director since chapter start-up. Twitter @ChrisAVWood Email ChrisAVWood@outlook.com

Look at the Disk latency

Demo

DbWarden

Create a monitoring database on the server you want to watch You need somewhere to save all your discovered data

Monitoring Tables and indexes SPQueryPlans ScanStats

Demo

Look at your execution plans They contain the information you need to see what your queries actually do We are looking for ‘bad habits’ and estimated costs What are the ‘bad habits’?

Timed Out Plans Query is too complex or not enough resources

No Join Predicates Trying to join tables without a common column. Most likely using old syntax.

Implicit Conversions Comparing different data types can lead to indexes not being used

Demo

What Indexes Are You Using Information gathered from dm_db_index_usage_stats DMV

Demo

Clear Out ad-hoc and prepared one time plans Optimize for ad hoc workloads doesn’t stop plan bloat

Demo

Who Did I Get This Information From Disk Latency – Glenn Berry Execution plans – Jason Strate and Jared Karney What Indexes Are You Using – Tim Ford Clear Out Ad-Hoc and Prepared Plans – Kimberly Tripp