Multi-Threaded Log Writer

Chris Adkin has a very detailed post digging into log writer changes affecting high-scale throughput:

To understand why we get this performance degradation with SQL Server 2016 RC1 three key parts of a transactions life cycle need to be understood along with the serialisation mechanisms that protect them

Chris digs into call stacks as part of his post.  We’ll see if there are some performance improvements between now and RTM on this front.

Related Posts

See The Pernicious Effects Of Your UDFs

Pedro Lopes announces an improvement to SQL Server execution plan results in 2017 CU3: As I mentioned on yesterday’s post, with the recent release of SQL Server 2017 CU3, we released yet more showplan enhancements: you can see other posts related to showplan enhancements here. In this article I’ll talk about the second showplan improvement we worked on, to assist […]

Read More

The Downside Of Nested Views

Randolph West doesn’t mince words: Nested views are bad. Let’s get that out of the way. What is a nested view anyway? Imagine that you have a SELECT statement you tend to use all over the place (a very common practice when checking user permissions). There are five base tables in the join, but it’s fast enough. […]

Read More

Categories

April 2016
MTWTFSS
« Mar May »
 123
45678910
11121314151617
18192021222324
252627282930