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Designing Instagram

High Scalability

The streaming data store makes the system extensible to support other use-cases (e.g. FUN FACT : In this talk , Rodrigo Schmidt, director of engineering at Instagram talks about the different challenges they have faced in scaling the data infrastructure at Instagram. System Components. Component Design. Posting on Instagram.

Design 334
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Millions of tiny databases

The Morning Paper

Millions of tiny databases , Brooker et al., It takes you through the thinking processes and engineering practices behind the design of a key part of the control plane for AWS Elastic Block Storage (EBS): the Physalia database that stores configuration information. NSDI’20. This paper is a real joy to read.

Database 106
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Achieving observability in async workflows

The Netflix TechBlog

However, they are scattered across multiple systems, and there isn’t an easy way to tie related messages together. Once you finally find useful identifiers, you may begin writing SQL queries against your production database to find out what went wrong. Netflix original series such as La Casa De Papel), as well as with Netflix Studio.

Traffic 160
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Cloudy with a high chance of DBMS: a 10-year prediction for enterprise-grade ML

The Morning Paper

The key insight this led to is that ML models are software , derived from data. ML learning systems combine the characteristics of software, e.g. the need for CI/CD pipelines, and of data, e.g. the need to track lineage. Many of the software engineering discipline and controls need to be brought over into an ML context.

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SQL Server On Linux: Forced Unit Access (Fua) Internals

SQL Server According to Bob

Durability: “In database systems , durability is the ACID property which guarantees transactions that have committed will survive permanently. For example, if a flight booking reports that a seat has successfully been booked, then the seat will remain booked even if the system crashes.” – [link]. The Back Story.

Servers 90
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SQL Server on IoT Edge and Developer Machines – Smaller Footprint

SQL Server According to Bob

SQL Server will ship Azure SQL Database Edge: [link]. For example, Azure SQL Database Edge can already use TSQL Predict Machine Learning (ML) and Column Storage. Partitioning allows SQL Server to scale to the largest systems with record-setting performance. ‘ For example, going as far back as SQL Server 7.0

IoT 61
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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. Always specify NULL or NOT NULL with ALTER COLUMN.

Servers 63