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What Are SLOs, SLIs, and SLAs?

DZone

Site reliability engineering (SRE) is the practice of applying software engineering expertise to DevOps and operations problems. Service level objectives (SLOs) are the goals set for the availability expected out of a system.

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New Metadata-Only Column Changes in SQL Server 2016

SQL Performance

Ultimately, tables are stored as a sequence of bytes with some metadata elsewhere in the system to describe what each of those bytes mean, and how they relate to each of the table's various columns. It requires only a few changes to system tables, and a minimal amount of logging. Improvements in SQL Server 2016.

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All of Netflix’s HDR video streaming is now dynamically optimized

The Netflix TechBlog

HDR was launched at Netflix in 2016 and the number of titles available in HDR has been growing ever since. Join us and be a part of the amazing team that brought you this tech-blog; open positions: Software Engineer, Cloud Gaming Software Engineer, Live Streaming References [1] L. Krasula, A. Choudhury, S.

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Does SQL Server 2016 Require Trace Flag -T8048?

SQL Server According to Bob

Prior to SQL Server 2016 the trace flag –T8048 is used to upgrade (only) NUMA partitioned, CMemThread objects to CPU partitioned based objects. Keep in mind that the vast majority of CMemThread objects (SQL 2005, 2008, 2008 R2, 2012, 2014, Azure DB and 2016) are not partitioned. Trace flag –T8048 longer exists in SQL Server 2016.

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SQL 2016 – It Just Runs Faster: DBCC Scales 7x Better

SQL Server According to Bob

SQL Server 2016 changes the internal design to (CheckScanner), applying no lock semantics and a design similar to those used with In-Memory Optimized (Hekaton) objects, allowing DBCC operations to scale far better than previous releases. Ryan Stonecipher – Principle SQL Server Software Engineer. SQL Server 2016.

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How It Works: SQL Server 2016 SSE/AVX Support

SQL Server According to Bob

As indicated, SQL Server 2016 added the use of SSE and AVX instructions in various code paths to improve performance. This post will outline SQL Server’s decisions around SSE/AVX or software algorithm use. This post will outline SQL Server’s decisions around SSE/AVX or software algorithm use. My recent posts.

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Stuff The Internet Says On Scalability For July 13th, 2018

High Scalability

billion : venture investment first half of 2018; 1 billion : Utah voting system per day hack attempts; 67% : did not deploy a serverless app last year; $1.8 Margaret Hamilton started the field of software engineering. That same company leased 35 megawatts from us in 2016. Grace Hopper wrote the first complier.

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