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Pro SQL Server 2019 Wait Statistics: A Practical Guide to Analyzing Performance in SQL Server
book

Pro SQL Server 2019 Wait Statistics: A Practical Guide to Analyzing Performance in SQL Server

by Enrico van de Laar
June 2019
Intermediate to advanced
407 pages
9h 30m
English
Apress
Content preview from Pro SQL Server 2019 Wait Statistics: A Practical Guide to Analyzing Performance in SQL Server
© Enrico van de Laar 2019
Enrico van de LaarPro SQL Server 2019 Wait Statisticshttps://doi.org/10.1007/978-1-4842-4916-1_9

9. Latch-Related Wait Types

Enrico van de Laar1 
(1)
Drachten, The Netherlands
 

In Chapter 8, “Lock-Related Wait Types,” we took a pretty deep look at locking and blocking inside SQL Server, together with different wait types that indicate blocking is occurring. Latches look a lot like the locks we discussed earlier; in some cases they even appear to use the same modes as the locks we discussed in Chapter 8. Make no mistake though, latches are completely different than locks, even though they seem to share some features. While locks are used to guarantee transactions are isolated and consistent, latches are used to guarantee the ...

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Publisher Resources

ISBN: 9781484249161