Dynatrace

APRIL 25, 2023

In this blog post, we will discuss some of these challenges and how to overcome them. Higher latency and cold start issues due to the initialization time of the functions. Understanding cold-start behavior is essential to tune your cloud applications cost or performance to meet your operational needs.

Serverless 207

Serverless Lambda Azure AWS 207

Percona

AUGUST 10, 2018

We provided an introduction to VACUUM and bloat in an earlier blog post. To know more about dead tuples and bloat, please read our previous blog post. This may help tune your table level autovacuum settings appropriately. Tuning Autovacuum in PostgreSQL. Setting this parameter to 0 logs every autovacuum to the log file.

Tuning 44

Tuning Cache Database Storage 44

Dynatrace

SEPTEMBER 23, 2020

This blog post highlights a group of improvements that were released with OneAgent version 1.199. Storage mount points in a system might be larger or smaller, local or remote, with high or low latency, and various speeds. All /var subfolders are mounted as local, low latency, high-throughput drives of larger storage capacity.

Storage 147

Storage Latency Operating System Network 147

Dynatrace

MAY 5, 2021

For example, improving latency by as little as 0.1 latency is the number one reason consumers abandon mobile sites. Fine-tuning the service-level indicators that make up quality gates will improve with the help of upcoming features. Organizations can feel the impact of even a minor roadblock in the user experience.

Benchmarking 182

Benchmarking Latency Speed Software 182

The Netflix TechBlog

AUGUST 30, 2021

In this blog post, we will focus on the latter feature set. The challenge, then, is to be able to ingest and process these events in a scalable manner, i.e., scaling with the number of devices, which will be the focus of this blog post. In particular, the Kafka integration is the most relevant for this blog post.

Latency 213

Latency Traffic Transportation Hardware 213

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). The post How digital experience monitoring helps deliver business observability appeared first on Dynatrace blog.

Monitoring 203

Monitoring Social Media IoT Metrics 203

Adrian Cockcroft

AUGUST 1, 2022

photo by Adrian I gave a talk at Monitorama in Portland Oregon in June, which set out the idea that carbon is just another metric to monitor, and that in a few years most of the monitoring and performance tuning tools are going to be reporting and optimizing for carbon alongside latency, throughput, availability and cost.

AWS 52

AWS Virtualization DevOps Latency 52

The Netflix TechBlog

OCTOBER 19, 2020

In our previous blog post we introduced Edgar, our troubleshooting tool for streaming sessions. 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

Dynatrace

DECEMBER 2, 2021

You can set SLOs based on individual indicators, such as batch throughput, request latency, and failures-per-second. Gathering and analyzing metrics over time will help you determine the overall effectiveness of your SLOs so you can tune them as your processes mature and improve. SLO best practices. Watch webinar now!

Metrics 191

Metrics Best Practices DevOps Infrastructure 191

Dotcom-Montior

NOVEMBER 11, 2020

Developers don’t have to put in additional time to fine-tuning the system, or rely on other teams for support, as it’s done automatically with the cloud provider. However, when the time comes for resources to be requested, there can be latency in the time it takes to for that code to start back up. Focus on Application Development.

Serverless 57

Serverless Monitoring Lambda Latency 57

Dynatrace

JANUARY 14, 2022

Tuning thousands of parameters has become an impossible task to achieve via a manual and time-consuming approach. The optimization goal was to improve the application efficiency, that is to improve the ratio between service throughput and cloud costs while not increasing the application latency (e.g. The Akamas approach.

Latency 204

Latency Tuning Efficiency AWS 204

Brendan Gregg

OCTOBER 8, 2018

Screenshot: tracing read latency for PID 181: # bpftrace -e 'kprobe:vfs_read /pid == 30153/ { @start[tid] = nsecs; } kretprobe:vfs_read /@start[tid]/ { @ns = hist(nsecs - @start[tid]); delete(@start[tid]); }'. Back then I could already tell if disks were seeking by interpreting iostat(1) output: seeing high disk latency but small I/O.

C++ 110

C++ Virtualization Programming Latency 110

The Netflix TechBlog

JANUARY 10, 2024

This introductory blog focuses on an overview of our journey. Future blogs will provide deeper dives into each service, sharing insights and lessons learned from this process. This architecture shift greatly reduced the processing latency and increased system resiliency. divide the input video into small chunks 2.

Processing 229

Processing Media Latency Innovation 229

The Netflix TechBlog

JUNE 14, 2023

This blog post will share broadly-applicable techniques (beyond GraphQL) we used to perform this migration. To determine customer impact, we could compare various metrics such as error rates, latencies, and time to render. This blog post is part of our Migrating Critical Traffic series.

Traffic 353

Traffic Latency Cache Metrics 353

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. This blog post will delve into the techniques leveraged at Netflix to introduce these changes to production.

Traffic 279

Traffic Metrics Systems Strategy 279

Percona

APRIL 13, 2023

In this blog, we will discuss what replication lag is, why it occurs, and how to mitigate it in PostgreSQL. In PostgreSQL, replication lag can occur due to various reasons such as network latency, slow disk I/O, long-running transactions, etc. One of the common issues that can be encountered in PostgreSQL is replication lag.

Latency 81

Latency Tuning Open Source Network 81

Percona

MARCH 23, 2023

This blog is in reference to our previous ones for ‘Innodb Performance Optimizations Basics’ 2007 and 2013. Although there have been many blogs about adjusting MySQL variables for better performance since then, I think this topic deserves a blog update since the last update was a decade ago, and MySQL 5.7

Performance 125

Performance Hardware Tuning Storage 125

The Netflix TechBlog

DECEMBER 21, 2020

These principles reduce resource usage by being more efficient and effective while lowering the end-to-end latency in data processing. Orient: Gather tuning parameters for a particular table that changed. AutoAnalyze In short, AutoAnalyze finds the best tuning/configuration parameters for a table. More processing resources.

Storage 203

Storage Latency Efficiency Data Engineering 203

Brendan Gregg

OCTOBER 7, 2018

Screenshot: tracing read latency for PID 181: # bpftrace -e 'kprobe:vfs_read /pid == 30153/ { @start[tid] = nsecs; } kretprobe:vfs_read /@start[tid]/ { @ns = hist(nsecs - @start[tid]); delete(@start[tid]); }'. Back then I could already tell if disks were seeking by interpreting iostat(1) output: seeing high disk latency but small I/O.

C++ 40

C++ Virtualization Programming Latency 40

The Netflix TechBlog

SEPTEMBER 24, 2021

Our previous tech blog Packaging award-winning shows with award-winning technology detailed our packaging technology deployed on the streaming side. Uploading and downloading data always come with a penalty, namely latency. This significantly improves the Studio high quality proxy generation efficiency and workflow latency.

Cloud 237

Cloud Media Storage Cache 237

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 135

Tuning Cache Servers Benchmarking 135

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? Telltale learns what constitutes typical health for an application, no alert tuning required. For example, a latency increase is less critical than error rate increase and some error codes are less critical than others.

Monitoring 210

Monitoring Tuning Traffic Metrics 210

Dynatrace

JULY 24, 2023

In this blog, we will dive into the transformative power of answer-driven automation. 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.

DevOps 220

DevOps Traffic Efficiency Servers 220

The Netflix TechBlog

AUGUST 22, 2019

In this blog post, we describe how we improved the methodology, which technologies we leveraged, and how this has improved service deployment and consistency. The canary stage will determine a score based on metrics such as CPU, threads, latency, and GC pauses.

DevOps 207

DevOps AWS Tuning Infrastructure 207

Dynatrace

JANUARY 26, 2021

When an application is triggered, it can cause latency as the application starts. This creates latency when they need to restart. Driving efficiency without sacrificing observability appeared first on Dynatrace blog. The platform builds the trigger to initiate the app. How does serverless computing tackle inefficiencies?

Serverless 243

Serverless Efficiency Lambda Azure 243

Brendan Gregg

SEPTEMBER 25, 2021

A Cassandra database cluster had switched to Ubuntu and noticed write latency increased by over 30%. The change was obvious in the production graphs, showing a drop in write latencies: Once tested more broadly, it showed the write latencies dropped by 43%, delivering slightly better performance than on CentOS.

Speed 126

Speed Java AWS Virtualization 126

The Netflix TechBlog

NOVEMBER 20, 2023

In this blog post, we talk about the landscape and the challenges in workflows at Netflix. As our business scales globally, the demand for data is growing and the needs for scalable low latency incremental processing begin to emerge. Note that the backfill support is skipped in this blog.

Processing 210

Processing Big Data Efficiency Engineering 210

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. Most of the business views created on top of the Iceberg tables can tolerate a few minutes of latency. Please stay tuned! Dehghani, Zhamak.

Big Data 253

Big Data Government Analytics Processing 253

The Netflix TechBlog

NOVEMBER 2, 2021

Cosmos offers several benefits as highlighted in the linked blog, such as separation of concerns, independent deployments, observability, rapid prototyping and productization. This enables us to use our scale to increase throughput and reduce latencies. Stay tuned for more details on these algorithmic innovations.

Media 171

Media Innovation Metrics Latency 171

Dynatrace

DECEMBER 22, 2019

The example below visualizes average latency by API name and stage for a specific AWS API Gateway. Stay tuned for updates in Q1 2020. The post Get up to 300 new metrics out of the box with AWS supporting services (GA) appeared first on Dynatrace blog. You can also create custom charts. Requirements. AWS supporting services.

AWS 136

AWS Metrics IoT Storage 136

Dynatrace

DECEMBER 22, 2019

The example below visualizes average latency by API name and stage for a specific AWS API Gateway. Stay tuned for updates in Q1 2020. The post Get up to 300 new metrics out of the box with AWS supporting services (GA) appeared first on Dynatrace blog. You can also create custom charts. Requirements. AWS supporting services.

AWS 133

AWS Metrics IoT Storage 133

The Netflix TechBlog

FEBRUARY 18, 2022

In this blog post, we will give an overview of the Rapid Event Notification System at Netflix and share some of the learnings we gained along the way. This separation allows us to tune system configuration and scaling policies independently for different event priorities and traffic patterns.

Systems 334

Systems Traffic Architecture Mobile 334

The Netflix TechBlog

FEBRUARY 9, 2021

For more background on Growth Engineering and the signup funnel, please have a look at our previous blog post that covers the basics. Device sends a request for the plan selection page As discussed in our previous Growth Engineering blog post, we use a custom JSON protocol between our client UIs and our middle-tier Orchestration Service.

Engineering 142

Engineering Scalability Architecture Innovation 142

Percona

APRIL 17, 2023

In this blog post, we will discuss the best practices on the MongoDB ecosystem applied at the Operating System (OS) and MongoDB levels. The main objective of this post is to share my experience over the past years tuning MongoDB and centralize the diverse sources that I crossed in this journey in a unique place.

Best Practices 52

Best Practices Design Tuning Database 52

The Netflix TechBlog

JULY 21, 2022

Since memory management is not something one usually associates with classification problems, this blog focuses on formulating the problem as an ML problem and the data engineering that goes along with it. Finally, we ended with some future directions and possibilities for feature engineering and accuracy measurements in the memory context.

Big Data 179

Big Data Cache Engineering Data Engineering 179

Brendan Gregg

SEPTEMBER 25, 2021

A Cassandra database cluster had switched to Ubuntu and noticed write latency increased by over 30%. The change was obvious in the production graphs, showing a drop in write latencies: Once tested more broadly, it showed the write latencies dropped by 43%, delivering slightly better performance than on CentOS.

Speed 40

Speed Java AWS Virtualization 40

The Netflix TechBlog

DECEMBER 17, 2019

Requirements In a previous blog post, we discussed Delta , a data enrichment and synchronization platform. In our Delta blog post , we also described use cases beyond data synchronization, such as event processing. Supports any kind of output , so that the output can be a stream, datastore, or even an API. Figure 4— Delta Connector.

Database 197

Database Traffic Transportation Open Source 197