Adrian Cockcroft

JANUARY 29, 2023

I presented this analysis of response time distributions talk in 2016 — at Microxchg in Berlin ( video ). The code is written using the R statistics language and I downloaded a free copy of RStudio to run the examples below. > > system.time(wait1 <- normalmixEM(waiting, mu=c(50,80), lambda=.5,

Lambda 98

Lambda Latency Cache C++ 98

Percona

JUNE 4, 2023

The worklogs are where the design for future releases happens, and these are opened up when their features are fully developed and source-code-pushed. From a source code standpoint, MySQL makes pushes to Github when a release is made, whereas open source development happens for Percona Server for MySQL and MariaDB Server on Github.

Open Source 52

Open Source Servers Storage Scalability 52

SQL Performance

APRIL 20, 2021

A reminder of the plan ( click to enlarge ): This is the first point in the process so far that an in-flight execution plan is available (SQL Server 2016 SP1 onward) in sys.dm_exec_query_statistics_xml. Additional parallel workers will be started to run the additional parallel tasks contained in branches B, C, and D. Starting Sequence.

C++ 98

C++ Processing Servers Cache 98

SQL Performance

SEPTEMBER 25, 2019

The general idea is to cache and replay results, saving repeated executions of inner-side operators wherever possible. When a spool is able to replay cached results, this is known as a rewind. You may find it helpful to think of a spool rebind as a cache miss, and a rewind as a cache hit. Lazy Table Spool.

Performance 104

Performance Cache Servers Education 104

SQL Server According to Bob

DECEMBER 18, 2018

Device level flushing may have an impact on your I/O caching, read ahead or other behaviors of the storage system. Before all was said and done, all of these people and more helped with various activities: · Eugene, Mike, Slava, Scott, Peter, Steve and others doing code reviews on my SQL Server and Host Extension changes. ·

Servers 90

Servers Media Cache Storage 90

Smashing Magazine

JULY 6, 2021

With Luminary’s 21 years of experience in the digital space, my experience of 17 years in the CMS space as well as our focus on Headless since 2016, here are my two cents on what you should look out for. All functionality and integrations would also have a tight dependency which in turn results in a large, cumbersome monolithic code base.

Cache 143

Cache Website Mobile Google 143

Randon ASCII

FEBRUARY 25, 2018

In September of 2016 we started noticing random failures when building Chrome – 3 out of 200 builds of Chrome failed when protoc.exe, one of the executables that is part of the build, crashed with an access violation. Now we have a problem statement that we can reason about: why are large chunks of our code segment filled with zeroes?

Programming 79

Programming Hardware Cache Code 79