Percona

SEPTEMBER 1, 2023

While there is no magic bullet for MySQL performance tuning, there are a few areas that can be focused on upfront that can dramatically improve the performance of your MySQL installation. What are the Benefits of MySQL Performance Tuning? A finely tuned database processes queries more efficiently, leading to swifter results.

Tuning 52

Tuning Database Performance Hardware 52

The Netflix TechBlog

JUNE 14, 2023

To determine customer impact, we could compare various metrics such as error rates, latencies, and time to render. The AB experiment results hinted that GraphQL’s correctness was not up to par with the legacy system. Zuul , our primary edge gateway, assigns traffic to either cluster based on the experiment parameters.

Traffic 353

Traffic Latency Cache Metrics 353

The Netflix TechBlog

JUNE 13, 2023

This is where large-scale system migrations come into play. By collecting and analyzing key performance metrics of the service over time, we can assess the impact of the new changes and determine if they meet the availability, latency, and performance requirements. But what happens when this machinery needs a transformation?

Traffic 279

Traffic Metrics Systems Strategy 279

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 210

Tuning Efficiency Big Data Engineering 210

Scalegrid

NOVEMBER 20, 2019

During this time, you are also likely to experience a degraded performance of queries as your system resources are busy in index-creation work as well. 95th Percentile Latency. The 95th percentile latency of queries was also 1.8 Stay tuned for my follow-on blog post with more details! Index Creation on Master.

Best Practices 239

Best Practices Latency Tuning Database 239

SQL Performance

SEPTEMBER 17, 2019

This article will cover many areas that database administrators need to be aware of in order to properly license, recover, and tune a Reporting Services installation. Unlike the system database tempdb, ReportServerTempDB is not recreated at startup. Tuning Options. Tuning SSRS is much like any other application.

Tuning 67

Tuning Servers Database Best Practices 67

Percona

APRIL 13, 2023

PostgreSQL is a popular open source relational database management system that is widely used for storing and managing data. In PostgreSQL, replication lag can occur due to various reasons such as network latency, slow disk I/O, long-running transactions, etc. What is replication lag? for monitoring replication lag.

Latency 83

Latency Tuning Open Source Network 83

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. The first generation of this system went live with the streaming launch in 2007. Delivery?—?A

Serverless 228

Serverless Media Latency Social Media 228

InfoQ

JANUARY 26, 2024

The company evolved the guild component, which is responsible for fanning out billions of message notifications, in a series of performance and scalability improvements supported by system observability and performance tuning. By Rafal Gancarz

Servers 110

Servers Tuning Scalability Performance 110

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. AWS High Performance XLarge (see system details below). MySQL on AWS Performance Test. Amazon RDS.

AWS 183

AWS Latency Performance Benchmarking 183

Dynatrace

APRIL 25, 2023

Observability is essential to ensure the reliability, security and quality of any software system. Higher latency and cold start issues due to the initialization time of the functions. Observability is typically achieved by collecting three types of data from a system, metrics, logs and traces.

Serverless 215

Serverless Lambda Azure AWS 215

Percona

NOVEMBER 3, 2023

Rather than listing the concepts, function calls, etc, available in Citus, which frankly is a bit boring, I’m going to explore scaling out a database system starting with a single host. I won’t cover all the features but show just enough that you’ll want to see more of what you can learn to accomplish for yourself.

Database 107

Database Benchmarking Latency C++ 107

The Netflix TechBlog

SEPTEMBER 24, 2021

Lastly, the packager kicks in, adding a system layer to the asset, making it ready to be consumed by the clients. Uploading and downloading data always come with a penalty, namely latency. There are existing distributed file systems for the cloud as well as off-the-shelf FUSE modules for S3.

Cloud 237

Cloud Media Storage Cache 237

Scalegrid

DECEMBER 14, 2023

Having too high of a value here could lead to your application not performing optimally because you are having the system wastefully wait for an unsuccessful attempt at establishing contact again and again which is why testing different values until arriving at one suitable for what your app requires is strongly suggested. </p>

Java 130

Java Network Servers Database 130

The Netflix TechBlog

AUGUST 13, 2020

You’re half awake and wondering, “Is there really a problem or is this just an alert that needs tuning? Our streaming teams need a monitoring system that enables them to quickly diagnose and remediate problems; seconds count! Our Node team needs a system that empowers a small group to operate a large fleet. By Andrei U.,

Monitoring 210

Monitoring Tuning Traffic Metrics 210

The Netflix TechBlog

OCTOBER 27, 2020

The data warehouse is not designed to serve point requests from microservices with low latency. Therefore, we must efficiently move data from the data warehouse to a global, low-latency and highly-reliable key-value store. How Bulldozer leverages Spark, Protobuf and KV DAL for moving the data.

Latency 243

Latency Storage Big Data Tuning 243

The Netflix TechBlog

AUGUST 29, 2023

To improve availability, we designed systems where components could fail separately and avoid single points of failure. Critically, this system allows us to seamlessly migrate services to service mesh with no configuration required, satisfying one of our main adoption constraints. We’re still early in our service mesh journey.

Traffic 220

Traffic Latency Cloud C++ 220

Dynatrace

JANUARY 26, 2021

Traditional computing models rely on virtual or physical machines, where each instance includes a complete operating system, CPU cycles, and memory. There is no need to plan for extra resources, update operating systems, or install frameworks. The provider is essentially your system administrator. What is serverless computing?

Serverless 245

Serverless Efficiency Lambda Azure 245

Dynatrace

SEPTEMBER 23, 2020

Operating Systems are not always set up in the same way. Storage mount points in a system might be larger or smaller, local or remote, with high or low latency, and various speeds. Another consequence of the recent discontinuation of support for 32-bit operating systems is the new default location of OneAgent for Windows.

Storage 151

Storage Latency Operating System Network 151

The Netflix TechBlog

MAY 14, 2021

However, they are scattered across multiple systems, and there isn’t an easy way to tie related messages together. You’re joining tables, resolving status types, cross-referencing data manually with other systems, and by the end of it all you ask yourself why? Things got hairy.

Traffic 160

Traffic Latency Java Google 160

Percona

NOVEMBER 2, 2023

MongoDB is a dynamic database system continually evolving to deliver optimized performance, robust security, and limitless scalability. Improved performance : MongoDB continually fine-tunes its database engine, resulting in faster query execution and reduced latency. Ready to supercharge your MongoDB experience?

Best Practices 89

Best Practices Hardware Tuning Scalability 89

Dynatrace

JULY 24, 2023

It enables them to adapt to user feedback swiftly, fine-tune feature releases, and deliver exceptional user experiences, all while maintaining control and minimizing disruption. Consider an event-driven automation system designed for incident management. But it doesn’t stop there. All these actions aim to avert future incidents.

DevOps 227

DevOps Traffic Efficiency Servers 227

John McCalpin

APRIL 25, 2023

For most high-end processors these values have remained in the range of 75% to 85% of the peak DRAM bandwidth of the system over the past 15-20 years — an amazing accomplishment given the increase in core count (with its associated cache coherence issues), number of DRAM channels, and ever-increasing pipelining of the DRAMs themselves.

Benchmarking 97

Benchmarking Cache Latency Tuning 97

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 136

Tuning Cache Servers Benchmarking 136

Dynatrace

MAY 17, 2023

Think about items such as general system metrics (for example, CPU utilization, free memory, number of services), the connectivity status, details of our web server, or even more granular in-application tasks like database queries. DNS query time indicates the average response times of DNS requests across the system.

Metrics 178

Metrics Database Monitoring Network 178

Percona

AUGUST 10, 2018

In fact, you should not set it to OFF in a production system unless you are 100% sure about what you are doing and its implications. This may help tune your table level autovacuum settings appropriately. Tuning Autovacuum in PostgreSQL. How do we identify the tables that need their autovacuum settings tuned ? .

Tuning 45

Tuning Cache Database Storage 45

Scalegrid

OCTOBER 17, 2019

On modern Linux systems, the difference in overhead between forking a process and creating a thread is much lesser than it used to be. It creates yet another component that must be maintained, fine tuned for your workload, security patched often, and upgraded as required. A middleware becomes a single point of failure.

Architecture 200

Architecture Database Latency Servers 200

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. Operating system Linux is the most common operating system for high-performance MySQL servers.

Performance 126

Performance Hardware Tuning Storage 126

The Netflix TechBlog

NOVEMBER 2, 2021

The coupling problem Until recently, video quality measurements were generated as part of our Reloaded production system. This system is responsible for processing incoming media files, such as video, audio and subtitles, and making them playable on the streaming service. We call this system Cosmos. The workflow is initiated.

Media 171

Media Innovation Metrics Latency 171

The Netflix TechBlog

DECEMBER 21, 2020

Use cases We found several use cases where a system like AutoOptimize can bring tons of value. Merge As the data lands into the data warehouse through real-time data ingestion systems, it comes in different sizes. Orient: Gather tuning parameters for a particular table that changed.

Storage 203

Storage Latency Efficiency Data Engineering 203

The Netflix TechBlog

AUGUST 30, 2021

System Setup Architecture The following diagram summarizes the architecture description: Figure 1: Event-sourcing architecture of the Device Management Platform. Fault Tolerance If the underlying KafkaConsumer crashes due to ephemeral system or network events, it should be automatically restarted. million elements.

Latency 213

Latency Traffic Transportation Hardware 213

The Netflix TechBlog

OCTOBER 19, 2020

which is difficult when troubleshooting distributed systems. 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.

Infrastructure 233

Infrastructure Transportation Storage Open Source 233

Scalegrid

MARCH 22, 2024

They can also bolster uptime and limit latency issues or potential downtimes. Register now for free and experience the seamless operation of your databases across multi-cloud and hybrid-cloud systems. By spreading your data and apps around, you can get your systems to work together more smoothly and make the most out of your budget.

Strategy 130

Strategy Cloud Government Innovation 130

Percona

MAY 1, 2023

I’ll show you some MySQL settings to tune to get better performance, and cost savings, with AWS RDS. ” Yes, this is true, io2 volumes are expensive, and honestly, I think they should be used only where really high IO capacity at expected latencies is required, and this didn’t seem to be the case.

AWS 122

AWS Hardware Storage Tuning 122

The Netflix TechBlog

AUGUST 22, 2019

With their new Docker image, users launch their Packer baking jobs using Titus , our container management system. The canary stage will determine a score based on metrics such as CPU, threads, latency, and GC pauses. We can easily test server tuning changes, software upgrades, and other modifications to the runtime environment.

DevOps 207

DevOps AWS Tuning Infrastructure 207

The Netflix TechBlog

NOVEMBER 2, 2020

How viewers are able to watch their favorite show on Netflix while the infrastructure self-recovers from a system failure By Manuel Correa , Arthur Gonigberg , and Daniel West Getting stuck in traffic is one of the most frustrating experiences for drivers around the world. Those two metrics are approximate indicators of failures and latency.

Traffic 252

Traffic Metrics Infrastructure Architecture 252

The Netflix TechBlog

JULY 21, 2022

It also prevents the system running out of memory during execution of the query. Striking a balance between driver and executor memory configurations in SparkSQL-like systems. Too high allocations may fail and restrict system processes. Restricting Testing and Analysis to one day and device at a time. Labeling the data?

Big Data 179

Big Data Cache Engineering Data Engineering 179