Alex Russell
MARCH 6, 2021
Here begins our 2021 adventure. If there's a bright spot in our construction of a 2021 baseline for performance, this is it. Trickle-down user experience from developer-experience is, in 2021, as fully falsified as the Laffer Curve. A 2021 Global Baseline. Hard Reset. Modern network performance and availability.
The Netflix TechBlog
MAY 14, 2021
Once you finally find useful identifiers, you may begin writing SQL queries against your production database to find out what went wrong. We are expected to process 1,000 watermarks for a single distribution in a minute, with non-linear latency growth as the number of watermarks increases.
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The Netflix TechBlog
JULY 26, 2021
Operational Reporting is a reporting paradigm specialized in covering high-resolution, low-latency data sets, serving detailed day-to-day activities¹ and processes of a business domain. In the initial stage, data consumers set up ETL pipelines directly pulling data from databases. When an upstream schema evolves (e.g.
Scalegrid
FEBRUARY 8, 2024
At its core, a distributed storage system comprises three main components: a controller for managing the system’s operations, an internal datastore where information is held, and databases geared towards ensuring scalability, partitioning capabilities, and high availability for all types of data. Is NTFS a distributed file system?
The Netflix TechBlog
AUGUST 30, 2021
Upstream event sourcing was fully enabled on the producer side at around 2021–07–15 15:00 PST. By the following morning, alerts were received regarding high memory consumption and GC latencies, to the point where the service was unresponsive to HTTP requests. million elements. this is configurable through enable.auto.commit.
Brendan Gregg
SEPTEMBER 25, 2021
A Cassandra database cluster had switched to Ubuntu and noticed write latency increased by over 30%. top(1) showed that only the Cassandra database was consuming CPU. Amazon even provides an official [recommendation] (2021): "For EC2 instances launched on the AWS Xen Hypervisor, it's a best practice to use the tsc clock source.
Dynatrace
JUNE 25, 2021
Distributed tracing describes the act of following a transaction through all participating applications (tiers) and sub-systems, such as databases. Much has been said about observability being the next big thing and that some systems only provide monitoring but not observability, but is this really valid in 2021?
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