Scalegrid

JUNE 22, 2020

Compare Latency. On average, ScaleGrid achieves almost 30% lower latency over DigitalOcean for the same deployment configurations. Now that we’ve compared throughput performance, let’s take a look at ScaleGrid vs. DigitalOcean latency for MySQL. Read-Intensive Latency Benchmark. Balanced Workload Latency Benchmark.

Database 217

Database Benchmarking Latency Performance 217

Scalegrid

OCTOBER 24, 2019

As organizations continue to migrate to the cloud, it’s important to get in front of performance issues, such as high latency, low throughput, and replication lag with higher distances between your users and cloud infrastructure. MySQL on AWS Performance Test. MySQL Performance Test Scenarios and Results. Amazon RDS.

AWS 183

AWS Latency Performance Performance Testing 183

Dynatrace

MAY 17, 2023

Validation tasks are then extended left to cover performance testing and release validation in a pre-production environment. Resilient applications with chaos testing in pre-production Another Dynatrace team uses a guardian as a safeguard during chaos testing. The queries are depicted below (sensitive data has been removed).

DevOps 246

DevOps Traffic Latency Best Practices 246

Dynatrace

MAY 5, 2021

Keptn closes the loop of planning, testing, deployment, and analysis in Agile-like environments with the help of quality gates defined by service- and business-level indicators. For example, improving latency by as little as 0.1 latency is the number one reason consumers abandon mobile sites. Meanwhile, in the U.S.,

Benchmarking 246

Benchmarking Latency Speed Software 246

The Netflix TechBlog

MARCH 1, 2021

It supports both high throughput services that consume hundreds of thousands of CPUs at a time, and latency-sensitive workloads where humans are waiting for the results of a computation. Local development tools including specialized test runners, code generators, and a command line interface. Productivity?—?Local Delivery?—?A

Serverless 235

Serverless Media Latency Social Media 235

The Netflix TechBlog

JUNE 13, 2023

Our previous blog post presented replay traffic testing — a crucial instrument in our toolkit that allows us to implement these transformations with precision and reliability. Compared to replay testing, canaries allow us to extend the validation scope beyond the service level.

Traffic 285

Traffic Metrics Systems Strategy 285

Dynatrace

JULY 22, 2024

Traces are used for performance analysis, latency optimization, and root cause analysis. OpenTelemetry provides [extensive documentation]([link] and examples to help you fine-tune your configuration for maximum effectiveness. Capture critical performance indicators such as request latency, error rates, and resource usage.

Latency 264

Latency Best Practices Metrics Open Source 264

The Netflix TechBlog

AUGUST 22, 2019

Artisan Crafted Images In the Netflix full cycle DevOps culture the team responsible for building a service is also responsible for deploying, testing, infrastructure, and operation of that service. Now each change in the infrastructure is tested, canaried, and deployed like any other code change.

DevOps 210

DevOps AWS Tuning Infrastructure 210

The Netflix TechBlog

JANUARY 10, 2024

This architecture shift greatly reduced the processing latency and increased system resiliency. We expanded pipeline support to serve our studio/content-development use cases, which had different latency and resiliency requirements as compared to the traditional streaming use case. This testing stage took about two weeks.

Processing 238

Processing Media Latency Innovation 238

Dynatrace

MARCH 29, 2024

You can ask for the best configuration to reduce latency or improve the user experience.” And with automatic application tuning, teams spend less time on manually testing and reviewing configurations, resulting in up to five times the productivity of performance engineers, DevOps, and SREs when it comes to application optimization.

Engineering 264

Engineering DevOps Operating System Open Source 264

Scalegrid

OCTOBER 17, 2019

While there is plenty of well-documented benefits to using a connection pooler, there are some arguments to be made against using one: Introducing a middleware in the communication inevitably introduces some latency. Our tests show that even a small number of clients can significantly benefit from using a connection pooler.

Architecture 200

Architecture Database Latency Servers 200

The Netflix TechBlog

AUGUST 30, 2021

By Benson Ma , Alok Ahuja Introduction At Netflix, hundreds of different device types, from streaming sticks to smart TVs, are tested every day through automation to ensure that new software releases continue to deliver the quality of the Netflix experience that our customers enjoy. In this blog post, we will focus on the latter feature set.

Latency 222

Latency Traffic Transportation Cloud 222

The Netflix TechBlog

NOVEMBER 2, 2020

High level playback architecture with priority throttling and chaos testing Building a request taxonomy We decided to focus on three dimensions in order to categorize request traffic: throughput, functionality, and criticality. Those two metrics are approximate indicators of failures and latency.

Traffic 261

Traffic Metrics Infrastructure Architecture 261

The Netflix TechBlog

OCTOBER 19, 2020

If we had an ID for each streaming session then distributed tracing could easily reconstruct session failure by providing service topology, retry and error tags, and latency measurements for all service calls. Our engineering teams tuned their services for performance after factoring in increased resource utilization due to tracing.

Infrastructure 238

Infrastructure Transportation Storage Open Source 238

O'Reilly

FEBRUARY 18, 2025

During the interview, Jake made a statement about AI testing that was widely shared: One of the things we learned is that after it passes 100 tests, the odds that it will pass a random distribution of 100k user inputs with 100% accuracy is very high. If youre not hands-on with AI, this advice might sound reasonable.

Latency 66

Latency Tuning Metrics Testing 66

Percona

APRIL 7, 2023

If we were to select the most important MySQL setting, if we were given a freshly installed MySQL or Percona Server for MySQL and could only tune a single MySQL variable, which one would it be? To be fair, that is also true with PostgreSQL; it hasn’t been tuned either, and it, too, can also perform much better.

Tuning 145

Tuning Cache Servers Benchmarking 145

The Netflix TechBlog

MAY 14, 2021

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. Even though Cosmos was developed for asynchronous media processing, we worked with them to expand to generic file processing and tune their workflow platform for our near real-time use case.

Traffic 166

Traffic Java Latency Google 166

The Netflix TechBlog

MARCH 4, 2024

Operational automation–including but not limited to, auto diagnosis, auto remediation, auto configuration, auto tuning, auto scaling, auto debugging, and auto testing–is key to the success of modern data platforms. We have also noted a great potential for further improvement by model tuning (see the section of Rollout in Production).

Tuning 217

Tuning Efficiency Big Data Engineering 217

Dynatrace

APRIL 26, 2022

STM generates traffic that replicates the typical path or behavior of a user on a network to measure performance for example, response times, availability, packet loss, latency, jitter, and other variables). One use case for STM is to model the behavior of a customer in the form of a flow of transactions along the buyer’s journey.

Monitoring 246

Monitoring Social Media IoT Metrics 246

The Netflix TechBlog

AUGUST 29, 2023

Keeping feature parity between all of these implementations and ensuring that they all behave the same way is challenging: what we want is a single, well-tested implementation of all of this functionality, so we can make changes and fix bugs in one place. This is the first in a series of posts on our journey to service mesh, so stay tuned.

Traffic 229

Traffic Latency Cloud C++ 229

Dynatrace

DECEMBER 2, 2021

Stable, well-calibrated SLOs pave the way for teams to automate more processes and testing throughout the software delivery life cycle (SDLC). You can set SLOs based on individual indicators, such as batch throughput, request latency, and failures-per-second. Promote automation. SLO best practices.

Metrics 246

Metrics Best Practices DevOps Infrastructure 246

O'Reilly

MARCH 25, 2025

Weve seen this across dozens of companies, and the teams that break out of this trap all adopt some version of Evaluation-Driven Development (EDD), where testing, monitoring, and evaluation drive every decision from the start. What breaks your app in production isnt always what you tested for in dev! The way out?

Systems 69

Systems Development Tuning Monitoring 69

Scalegrid

NOVEMBER 4, 2024

For a more detailed comparison of performance features between different versions, refer to: [link] Benchmarking Methodology Sysbench Overview Sysbench is a versatile, open-source benchmarking tool ideal for testing OLTP (Online Transaction Processing) database workloads. You can access the benchmark here: [link].

Benchmarking 130

Benchmarking AWS Tuning Metrics 130

Percona

APRIL 13, 2023

In PostgreSQL, replication lag can occur due to various reasons such as network latency, slow disk I/O, long-running transactions, etc. Replication lag can occur due to various reasons, such as: Network latency: Network latency is the delay caused by the time it takes for data to travel between the primary and standby databases.

Latency 103

Latency Tuning Open Source Network 103

Scalegrid

JANUARY 25, 2024

Key Takeaways Critical performance indicators such as latency, CPU usage, memory utilization, hit rate, and number of connected clients/slaves/evictions must be monitored to maintain Redis’s high throughput and low latency capabilities. It can achieve impressive performance, handling up to 50 million operations per second.

Metrics 130

Metrics Monitoring Latency Cache 130

KeyCDN

NOVEMBER 4, 2021

The POP is strategially located within the country and lowers latency overall. KeyCDN is always on the lookout for ways to minimize latency and accelerate asset delivery worldwide. Hola Mexico! We've launched our new point of presence (POP) in Mexico City. In this case, the POP's identifier is mxmc.

Latency 111

Latency Tuning Cache Traffic 111

The Netflix TechBlog

NOVEMBER 2, 2021

Perceptual quality measurements are used to drive video encoding optimizations , perform video codec comparisons , carry out A/B testing and optimize streaming QoE decisions to mention a few. This enables us to use our scale to increase throughput and reduce latencies. Stay tuned for more details on these algorithmic innovations.

Media 178

Media Innovation Metrics Latency 178

Percona

NOVEMBER 2, 2023

Improved performance : MongoDB continually fine-tunes its database engine, resulting in faster query execution and reduced latency. Safeguarding your data, testing in a controlled environment, and having rollback plans are all part of this stage. We walk you through the essential steps required.

Best Practices 111

Best Practices Hardware Tuning Scalability 111

Percona

MARCH 23, 2023

Nowadays, solid-state drives (SSDs) or non-volatile memory express (NVMe) drives are preferred over traditional hard disk drives (HDDs) for database servers due to their faster read and write speeds, lower latency, and improved reliability. The optimal value can be decided after testing multiple settings, starting from eight is a good choice.

Performance 144

Performance Hardware Tuning Storage 144

Percona

NOVEMBER 3, 2023

Using its default tpc-b benchmark, one can stress test a database of any size ranging from a few clients to simulating thousands interacting with a system sized into the Terabytes if needs be. Steps Provisioning The first step is to provision the four nodes with both PostgreSQL and Citus.

Database 114

Database Benchmarking Latency C++ 114

Smashing Magazine

NOVEMBER 8, 2021

As developers, we rightfully obsess about the customer experience, relentlessly working to squeeze every millisecond out of the critical rendering path, optimize input latency, and eliminate jank. Stay tuned for more in 2022! Ilya Grigorik. 2021-11-08T14:30:00+00:00. 2021-11-08T19:34:34+00:00. Large preview ).

Cache 139

Cache Best Practices Strategy Servers 139

The Netflix TechBlog

JULY 21, 2022

Dealing with ambiguities and missing data : Sometimes the entries in BDP are contaminated with testing entries and NULL values, along with ambiguous values that have no meaning or just simply contradictory values due to unreal test environments. Restricting Testing and Analysis to one day and device at a time.

Big Data 188

Big Data Cache Engineering Data Engineering 188

John McCalpin

APRIL 25, 2023

link] ) For the single-core case the bandwidth reported by the STREAM benchmark kernels is very close to the same as the bandwidth for the all-read tests reported here. To understand what is happening here, we need to understand the way memory bandwidth interacts with memory latency and the concurrency (parallelism) of memory accesses.

Benchmarking 97

Benchmarking Cache Latency Tuning 97

The Netflix TechBlog

NOVEMBER 20, 2023

Whether in analyzing A/B tests, optimizing studio production, training algorithms, investing in content acquisition, detecting security breaches, or optimizing payments, well structured and accurate data is foundational. Introduction Netflix relies on data to power its business in all phases.

Processing 219

Processing Big Data Efficiency Engineering 219

HammerDB

MAY 5, 2019

Fortunately the HammerDB TPC-C/OLTP workload intentionally has a great deal of contention between threads and is therefore ideal for testing spin-locks. ” and “as the PAUSE latency has been increased significantly, workloads that are sensitive to PAUSE latency will suffer some performance loss.” linux-glibc2.12-x86_64/data

Testing 49

Testing Tuning Latency Storage 49

Brendan Gregg

SEPTEMBER 25, 2021

A Cassandra database cluster had switched to Ubuntu and noticed write latency increased by over 30%. There's also a test and println() in the loop to, hopefully, convince the compiler not to optimize-out an otherwise empty loop. This will slow this test a little.) Trying it out: centos$ time java TimeBench.

Speed 103

Speed Java AWS Virtualization 103

The Morning Paper

MAY 21, 2019

This boils down to a single digit µs latency toleration in the tail for far memory, and in addition to security and privacy concerns, rules out remote memory solutions. Thus we’re fundamentally trading (de)-compression latency at access time for the ability to pack more data in memory. ML-based auto-tuning. Evaluation.

Software 78

Software Software Google Hardware 78