The Netflix TechBlog

MARCH 10, 2023

No matter whether you use in-house deployments or hosted solutions, you can quickly stand up an Elasticsearch cluster, and start integrating it from your application using one of the clients provided based on your programming language (Elasticsearch has a rich set of languages it supports; Java, Python, .Net, Net, Ruby, Perl etc.).

Strategy 258

Strategy Cache Analytics Storage 258

The Morning Paper

MAY 23, 2019

Compress objects, not cache lines: an object-based compressed memory hierarchy Tsai & Sanchez, ASPLOS’19. Today’s paper introduces Zippads , which compared to a state of the art compressed memory hierarchy is able to achieve a 1.63x higher compression ratio and improve performance by 17%. ” The big idea.

Cache 61

Cache Benchmarking Hardware Java 61

The Netflix TechBlog

SEPTEMBER 8, 2020

This allows the app to query a list of “paths” in each HTTP request, and get specially formatted JSON (jsonGraph) that we use to cache the data and hydrate the UI. service with a composable JavaScript API that made downstream microservice calls, replacing the old Java API. Java…Script? It was a Node.js

Latency 233

Latency Cache Java Traffic 233

Brendan Gregg

APRIL 14, 2022

On the Netflix Java/Linux/EC2 stack there were no working mixed-mode flame graphs, no production safe dynamic tracer, and no PMCs: All tools I used extensively for advanced performance analysis. Apart from developing tools, much of my time has been spent helping teams with performance issues and evaluations. More on that soon.

Java 145

Java Cloud Cache AWS 145

Scalegrid

AUGUST 30, 2019

Depending on how it is configured, Redis can act like a database, a cache or a message broker. Redis Strings are the most basic type of Redis value leveraged by all other data structure types, and are quite similar to strings in other programming languages such as Java or Python. Redis Strings. Redis Strings Use Cases. Redis Sets.

Cache 232

Cache Ecommerce Social Media Database 232

Dynatrace

OCTOBER 21, 2020

Our Cluster Performance Engineering Team in collaboration with our Autonomous Cloud Enablement (ACE) and development teams quickly identified the root cause and fixed the problem in no time! By default, checking these configurations is not a performance problem as a standard tenant only has a handful of these custom locations configured.

Code 244

Code Cloud Engineering Java 244

Dynatrace

MAY 17, 2023

But its underlying goal is quite humble and straightforward: it wants to enable you to observe an IT system (for example, a web application, infrastructure, or services) and gain insight to its behavior, such as performance, error rates, hot spots of executed instructions in code, and more.

Metrics 185

Metrics Open Source Traffic Cache 185

Brendan Gregg

SEPTEMBER 5, 2021

I have been surprised many times by unexpected performance issues, so I thought I should check their instances anyway. Note that this sample flame graph is dominated by Java, shown by the green frames. ## 4. The ZFS Adapative Replacement Cache (ARC) is the main memory cache for the file system. Ahh, it makes sense now.

Cache 145

Cache Cloud Java Tuning 145

Dynatrace

APRIL 8, 2020

Java Memory Management, with its built-in garbage collection, is one of the language’s finest achievements. — Excerpt from How Garbage Collection works in the Dynatrace Performance eBook) . . — Excerpt from How Garbage Collection works in the Dynatrace Performance eBook) . T his feature requires Java 11+.

Speed 165

Speed Code Java Lambda 165

Brendan Gregg

AUGUST 29, 2021

A service team was debugging a performance issue and noticed it coincided with a high rate of paging. I was asked to help, and used a variety of performance tools to solve this including those that use eBPF and Ftrace. Reads usually have apps waiting on them; writes may not (write-back caching). Counting cache functions.

Cache 105

Cache C++ AWS Latency 105

The Morning Paper

OCTOBER 18, 2020

The resulting performance depends on the quality of the model predictions, a higher quality model leads to fewer collisions, and fewer out-of-order items to be patched in the final Insertion Sort pass. If it’s high performance you’re after, you can’t ignore mechanical sympathy. Sympathy for the machine. Evaluation.

Cache 137

Cache C++ Java Tuning 137

High Scalability

JULY 20, 2018

That means multiple data indirections mean multiple cache misses. This is where your performance goes. Mark LaPedus : MRAM, a next-generation memory type, is being touted as a replacement for embedded flash and cache applications. crabbone : This is the prism through which Java programmers view the world.

Internet 121

Internet Internet Scalability Automotive 121

DZone

MAY 19, 2019

Even if my application runs in the cloud on the JVM, despite all of those software layers abstracting away the underlying hardware, the volatile keyword is still needed due to the cache of the processor that my software runs on. The Volatile Keyword and the Cache of Modern Processors.

Cache 136

Cache Hardware Architecture Cloud 136

The Netflix TechBlog

OCTOBER 16, 2019

Often the data is held in memory by consumers and used as a “total cache”, where it is accessed at runtime by client code and atomically swapped out under the hood. for example Open Connect Appliance cache configuration, supported device type IDs, supported payment method metadata, and A/B test configuration.

Cache 187

Cache Architecture Metrics Java 187

All Things Distributed

JUNE 21, 2017

Today, I'm excited to announce the general availability of Amazon DynamoDB Accelerator (DAX) , a fully managed, highly available, in-memory cache that can speed up DynamoDB response times from milliseconds to microseconds, even at millions of requests per second. Saving crucial milliseconds. It's also time consuming and costly.

Speed 121

Speed Cache Latency AWS 121

Dynatrace

APRIL 21, 2022

Analyzing user experience to ensure uniform performance after migration. Performance efficiency. Some principles Microsoft provides across this area include: Choosing the right resources aligned with business goals that can handle the workload’s performance. Performance Efficiency. Operational excellence.

Azure 193

Azure Monitoring Virtualization Metrics 193

HammerDB

JUNE 27, 2022

It enables the user to measure database performance and make comparative judgements about database hardware and software. The Transaction Processing Performance Council (TPC) was founded to bring standards to database benchmarking, and the history of the TPC can be found here. Cached vs Scaled Workloads. What is HammerDB?

Benchmarking 62

Benchmarking Open Source C++ Cache 62

Brendan Gregg

APRIL 14, 2022

On the Netflix Java/Linux/EC2 stack there were no working mixed-mode flame graphs, no production safe dynamic tracer, and no PMCs: All tools I used extensively for advanced performance analysis. Apart from developing tools, much of my time has been spent helping teams with performance issues and evaluations. Thank you.

Java 52

Java Cache Cloud AWS 52

Dynatrace

OCTOBER 15, 2021

OpenTelemetry (also referred to as OTel) is an open-source observability framework made up of a collection of tools, APIs, and SDKs, that enables IT teams to instrument, generate, collect, and export telemetry data for analysis and understand software performance and behavior. This occurs once data is safely stored within a local cache.

Open Source 224

Open Source Metrics Cloud Transportation 224

Dynatrace

JUNE 16, 2020

Spotty monitoring coverage makes it hard to identify, analyze, and resolve performance problems, which can endanger key business transactions and impact users. While a general processor can handle any workload, a zIIP can process only certain workloads like DB2, Java, or XML.

Innovation 152

Innovation Metrics Infrastructure Programming 152

MachMetrics

JUNE 30, 2021

Website performance & speed plays a major role in the success of an online business. High-performing fast sites attract and preserve users better than low-performing ones. The screenshot below explains that page load time and lighthouse performance scores are not the same, yet they are really close to each other.

Cache 78

Cache Speed Google Website 78

Dynatrace

OCTOBER 15, 2020

Organizations that want a high-performance language with a great ecosystem often write their applications in Go. It accepted requests from a Java-based load generator on port 8888 and forwarded the requests to the default port, 8086 , of a locally running InfluxDB instance that was installed via the apt-get package manager.

Transportation 186

Transportation Monitoring Metrics Code 186

High Scalability

DECEMBER 18, 2018

Senior DevOps Engineer : Your engineering work will focus on using your deep knowledge of the web stack including firewalls, web applications, caches and data stores ­ to create innovative infrastructure architectures that are resilient, scalable, and blazingly fast. Try the API now in this 5 minute interactive tutorial. Learn more today.

Healthcare 122

Healthcare Best Practices DevOps Cache 122

ScaleOut Software

JULY 21, 2020

For more than fifteen years, ScaleOut StateServer® has demonstrated technology leadership as an in-memory data grid (IMDG) and distributed cache. Designed to help scalable applications deliver high performance, it stores live, fast-changing data in memory (DRAM) for fast updates and retrieval. The Challenges with Parallel Queries.

Analytics 52

Analytics Airlines Cache Scalability 52

ScaleOut Software

JULY 21, 2020

For more than fifteen years, ScaleOut StateServer® has demonstrated technology leadership as an in-memory data grid (IMDG) and distributed cache. Designed to help scalable applications deliver high performance, it stores live, fast-changing data in memory (DRAM) for fast updates and retrieval. The Challenges with Parallel Queries.

Analytics 52

Analytics Airlines Cache Scalability 52

Brendan Gregg

SEPTEMBER 5, 2021

I have been surprised many times by unexpected performance issues, so I thought I should check their instances anyway. Just for illustration, this shows the Vector UI and a typical cloud flame graph: Note that this sample flame graph is dominated by Java, shown by the green frames. Sounds good, as that should improve performance.

Cache 52

Cache Cloud Java Tuning 52

Brendan Gregg

AUGUST 29, 2021

A service team was debugging a performance issue and noticed it coincided with a high rate of paging. I was asked to help, and used a variety of Linux performance tools to solve this including those that use eBPF and Ftrace. Reads usually have apps waiting on them; writes may not (write-back caching). These are rough notes.

Cache 40

Cache C++ AWS Systems 40

Brendan Gregg

SEPTEMBER 5, 2021

I have been surprised many times by unexpected performance issues, so I thought I should check their instances anyway. Just for illustration, this shows the Vector UI and a typical cloud flame graph: Note that this sample flame graph is dominated by Java, shown by the green frames. ## 4. Sounds good, as that should improve performance.

Cache 40

Cache Cloud Java Tuning 40

High Scalability

NOVEMBER 25, 2019

Edge caching. In general, Egnyte connect architecture shards and caches data at different levels based on: Amount of data. Languages: Java. Nginx for disk based caching. Java used to power core file system code. We use different types of caching techniques depending on the problem statements. Hybrid Sync.

Architecture 52

Architecture Cache Azure Storage 52

ScaleOut Software

JULY 27, 2018

Looking beyond distributed caching, it’s their ability to perform data-parallel analysis that gives IMDGs such exciting capabilities. Application developers often deploy IMDGs as a distributed cache that sits between an application and its database; the IMDG offloads ephemeral data from the database.

Scalability 40

Scalability Cache Airlines Healthcare 40

ScaleOut Software

JULY 27, 2018

Looking beyond distributed caching, it’s their ability to perform data-parallel analysis that gives IMDGs such exciting capabilities. Application developers often deploy IMDGs as a distributed cache that sits between an application and its database; the IMDG offloads ephemeral data from the database.

Scalability 40

Scalability Cache Airlines Healthcare 40

Speed Curve

JUNE 14, 2021

I’m delighted to be joining some of my favourite web performance people at SpeedCurve! I’ve been a full-time web performance consultant for around nine years. I’ve written a couple of books , spoken at conferences , and become an organiser of London’s Web Performance Meetup.

Retail 52

Retail Internet Internet Education 52

Percona

JUNE 4, 2023

MariaDB retains compatibility with MySQL, offers support for different programming languages, including Python, PHP, Java, and Perl, and works with all major open source storage engines such as MyRocks, Aria, and InnoDB. Elevate your MariaDB environment with Percona Support for MariaDB. Contact us to learn more! What is MySQL?

Open Source 52

Open Source Servers Storage Scalability 52

All Things Distributed

JULY 14, 2015

In this blog post, I will explain how these three new capabilities empower you to build applications with distributed systems architecture and create responsive, reliable, and high-performance applications using DynamoDB that work at any scale. The stream is exposed via the familiar Amazon Kinesis interface.

Database 167

Database Lambda AWS IoT 167

Enprowess

MARCH 4, 2018

Enable cluster link for cache replication. Now restart Liferay servers and perform index replication by navigating to Control Panel > Configuration>Server Administration>Resources Execute Reindex. 4) Enabling cluster link: By enabling cluster link it automatically activates distributed caching.

Cache 52

Cache Transportation Media Traffic 52

Enprowess

MAY 24, 2022

This functionality gives an edge to Reactjs by increasing performance and decreasing programming time compared to another mobile app development platform. When a web crawler visits a server that has already rendered the content and pictures, indexing and caching of the content becomes quicker. Limitations of Using React Native.

Mobile 52

Mobile Open Source Virtualization Speed 52

Dynatrace

JUNE 18, 2019

It only took about 15 minutes to set up this approach with Dynatrace and get detailed insights into Android app performance. Build performance. If you want to include Dynatrace in development and staging builds, build performance is crucial. Moreover, features like Instant Run and the Gradle Build Cache weren’t supported.

Cache 27

Cache Java Monitoring Tuning 27