Remove c
article thumbnail

Draft FAQ: Why does the C++ standard ship every three years?

Sutter's Mill

More about that in the post-meeting trip report after the meeting is over… FAQs (As of pre-Cologne, July 2019) There are bugs in the standard, so should we delay C++20? If we had just another meeting or two, we could add <feature> which is almost ready, so should we delay C++20? Of course, and no. Of course, and no.

C++ 98
article thumbnail

Percentiles don’t work: Analyzing the distribution of response times for web services

Adrian Cockcroft

I presented this analysis of response time distributions talk in 2016 — at Microxchg in Berlin ( video ). A later version of the slides is included in my Microservices Workshop deck from later that year, slides 168–200 ( pdf , keynote are available in GitHub.com/adrianco/slides ). I’ve been thinking about this for a long time.

Lambda 98
Insiders

Sign Up for our Newsletter

This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.

Trending Sources

article thumbnail

Row Pattern Recognition in SQL

SQL Performance

The ISO/IEC 9075:2016 standard, or SQL:2016 in short, introduces support for a profound concept called Row Pattern Recognition (RPR) in SQL. You can find coverage of RPR, including illustrated examples, in a 90-page technical report ISO/IEC TR 19075-5 (available for free). price ) AS bottomprice , LAST ( C.

C++ 73
article thumbnail

MariaDB vs MySQL: Key Differences and Use Cases

Percona

Critical features of MariaDB include robust security features like encryption at rest and in transit, user authentication, and role-based access control (RBAC), as well as high-performance query execution, advanced indexing techniques, and replication, clustering, and sharding, ensuring scalability and high availability.

article thumbnail

Reinventing Performance Testing: New Technologies

Alex Podelko

I am looking forward to share my thoughts on ‘Reinventing Performance Testing’ at the imPACt performance and capacity conference by CMG held on November 7-10, 2016 in La Jolla, CA. This option has been available for a long time, but it is much more viable now. Tools, using standard languages such as C (e.g. – Cloud.

article thumbnail

Analyzing "death by a thousand cuts" workloads

SQL Performance

DMV data is always available, so very often it's the easiest method to get a quick first look at query performance. Borrowing and adapting code from a previous post, Examining the Performance Impact of an Adhoc Workload , we will first create two stored procedures. CustomerID , c. Customers c JOIN Sales. GROUP BY c.

C++ 74
article thumbnail

How Parallel Plans Start Up – Part 3

SQL Performance

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.

C++ 98