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Performance Testing at MongoDB

Alex Podelko

David Daly’s presentation at LTB 2020 , How to Waste Time and Money Test ing the Performance of a Software Product, is probably a good introduction [Video] — [Slides]. These two papers provide many more insights: Automated system performance testing at MongoDB , DBTest 2020 [ Video ]. The MongoDB Podcast, Ep.

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Impact of Data locality on DB workloads.

n0derunner

In this video I migrate a Postgres DB running PGbench benchmark. The variation in the transaction rate is due to the benchmark itself, the transaction rate is not expected to be uniform. The aim of the experiment was to see how data-locality might affect a running database workload, not to generate the maximum TPS.

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The Importance of Selecting the Proper Azure VM Size

SQL Performance

The various types are: General purpose – Balanced CPU-to-memory ratio, small to medium databases. Memory optimized – High memory-to-CPU ratio, relational database servers, medium to large caches, and in-memory analytics. GPU – Heavy graphic rendering and video editing. Benchmark Test. Conclusion.

Azure 76
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Lerner?—?using RL agents for test case scheduling

The Netflix TechBlog

Netflix engineers run a series of tests and benchmarks to validate the device across multiple dimensions including compatibility of the device with the Netflix SDK, device performance, audio-video playback quality, license handling, encryption and security. Detect a regression in a test case.

Testing 158
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Progress Delayed Is Progress Denied

Alex Russell

As an engineer on a browser team, I'm privy to the blow-by-blow of various performance projects, benchmark fire drills, and the ways performance marketing (deeply) impacts engineering priorities. With each team, benchmarks lost are understood as bugs. Fundamentally enabling for video creation apps. This is as it should be.

Media 145
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Building Netflix’s Distributed Tracing Infrastructure

The Netflix TechBlog

Investigating a video streaming failure consists of inspecting all aspects of a member account. In 2019 our stunning colleagues in the Cloud Database Engineering (CDE) team benchmarked EBS performance for our use case and migrated existing clusters to use EBS Elastic volumes.

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Performance gains for postgres on Linux with hugepages

n0derunner

I use the “built in” benchmark pgbench to run a simple set of queries. pgbench creates a ~7.4gb database using a scale-factor of 500. Then reboot the kernel I used these excellent resources How to modify the kernel command line How to enable hugepages and this great video on Linux virtual memory. Experiment.