Welcome, CXCONSUMER

Erik Darling points out that CXCONSUMER is now a wait type in SQL Server:

According to Pedro’s slide, but not the ENTIRELY MISSING DOCUMENTATION, this wait is the “safe” type of parallelism wait.

It’s a good thing Pedro is a dutiful blogger, so we don’t have to pull our hair out while unfurling these mysteries.

Speaking of documentation, our new CXCONSUMER friend isn’t mentioned in Query Store Wait Stats, either.

This is a very useful addition.

Related Posts

What To Watch When Using VSS Snapshots

Erik Darling shows us the wait stats associated with the Volume Shadow Copy Service (VSS): A while back I wrote about the Perils of VSS Snaps. After working with several more clients having similar issues, I decided it was time to look at things again. This time, I wanted blood. I wanted to simulate a slow […]

Read More

Storing Wait Stats In tempdb

Max Vernon has a script which loads a bunch of wait stats definitions and then collects wait stat details: Performance troubleshooting should begin with capturing wait stats so we can understand where SQL Server is busy. The script below captures wait stats into a table in tempdb; the script should be ran via a SQL […]

Read More

Categories

January 2018
MTWTFSS
« Dec Feb »
1234567
891011121314
15161718192021
22232425262728
293031