The Morning Paper

MAY 23, 2019

Compress objects, not cache lines: an object-based compressed memory hierarchy Tsai & Sanchez, ASPLOS’19. Existing cache and main memory compression techniques compress data in small fixed-size blocks, typically cache lines. ” The big idea.

Cache 61

Cache Benchmarking Hardware Java 61

Dynatrace

APRIL 7, 2022

Spring Boot, on the other hand, is a Java framework for building cloud-native Java applications. It exports any pre-instrumented metrics for JVM, CPU Usage, Spring MVC, and WebFlux request latencies, cache utilization, data source utilization as well as custom metrics to the Dynatrace Metrics API v2. of Micrometer.

Metrics 130

Metrics Latency Java Cache 130

Dynatrace

APRIL 7, 2022

Spring Boot, on the other hand, is a Java framework for building cloud-native Java applications. It exports any pre-instrumented metrics for JVM, CPU Usage, Spring MVC, and WebFlux request latencies, cache utilization, data source utilization as well as custom metrics to the Dynatrace Metrics API v2. of Micrometer.

Metrics 130

Metrics Latency Java Cache 130

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. I joined Netflix in 2014, a company at the forefront of cloud computing with an attractive [work culture].

Java 145

Java Cloud Cache AWS 145

Brendan Gregg

SEPTEMBER 5, 2021

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. The ARC contains lists of cached buffers for different memory types. I worked on this code back at Sun. So this really is ZFS, they were right!

Cache 145

Cache Cloud Java Tuning 145

Brendan Gregg

AUGUST 29, 2021

Reads usually have apps waiting on them; writes may not (write-back caching). C Process Name = java Kbytes : count distribution 0 -> 1 : 0 | | 2 -> 3 : 0 | | 4 -> 7 : 0 | | 8 -> 15 : 31 | | 16 -> 31 : 15 | | 32 -> 63 : 15 | | 64 -> 127 : 15 | | 128 -> 255 : 1682 | *|. Counting cache functions. This is "cache busting."

Cache 105

Cache C++ AWS Latency 105

Dynatrace

APRIL 8, 2020

Java Memory Management, with its built-in garbage collection, is one of the language’s finest achievements. However, garbage collection is one of the main sources of performance and scalability issues in any modern Java application. You should also be careful when adding any sort of cache or object reuse strategy.

Speed 165

Speed Code Java Lambda 165

The Morning Paper

OCTOBER 18, 2020

Radix Sort is carefully designed to make effective use of the L2 cache and sequential memory accesses, whereas Learned Sort is making random accesses all over the destination array. How can learned sort be adapted to make it cache-efficient? If it’s high performance you’re after, you can’t ignore mechanical sympathy.

Cache 137

Cache C++ Java Tuning 137

Dynatrace

MAY 17, 2023

Additionally, OpenTelemetry provides SDKs, instrumentation libraries, and reference implementations for major programming languages, such as Java,NET, JavaScript, and more so developers can build standardized observability telemetry into their systems.

Metrics 179

Metrics Open Source Traffic Cache 179

Dynatrace

DECEMBER 15, 2020

Resolved IIS crash on RUM activity interactions (user caching is now disabled if UEM is enabled). General availability (Build 1.207.185). 21 total resolved issues (1 vulnerability). Resolved issues. All modules. 3 (1 vulnerability). Mainframe. OneAgent Installer. OS module. Plugin module. ONE-49694). ONE-45777).

Operating System 108

Operating System Java Mobile Cache 108

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

Dynatrace

JUNE 16, 2020

While a general processor can handle any workload, a zIIP can process only certain workloads like DB2, Java, or XML. In that way, you could try to cache requests so that not every request hits the mainframe. The most important processor types nowadays are the general processor and the system z integrated information processor (zIIP).

Innovation 152

Innovation Metrics Infrastructure Programming 152

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. Netflix has been the best job of my career so far, and I'll miss my colleagues and the culture.

Java 52

Java Cache Cloud AWS 52

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.

Healthcare 122

Healthcare Best Practices DevOps Cache 122

Dynatrace

OCTOBER 15, 2020

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. From http.Transport documentation : By default, Transport caches connections for future reuse.

Transportation 184

Transportation Monitoring Metrics Code 184

Brendan Gregg

SEPTEMBER 5, 2021

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. The ZFS Adapative Replacement Cache (ARC) is the main memory cache for the file system. The ARC contains lists of cached buffers for different memory types.

Cache 52

Cache Cloud Java Tuning 52

Dynatrace

OCTOBER 15, 2021

This occurs once data is safely stored within a local cache. These are core components and language-specific (such as Java, Python,Net, and so on). Ingestion is critical to gathering the data we care most about. There are two principal ways to go about this: Local ingestion.

Open Source 218

Open Source Metrics Cloud Transportation 218

Brendan Gregg

MARCH 16, 2024

Only in extreme circumstances does the cost (in processor time and I-cache footprint) translate to a tangible benefit - circumstances which usually resort to hand-coded assembly anyway. You're just saving a pushl, movl, an series of operations that (for obvious reasons) is highly optimized on x86.

Java 145

Java Cache Google Hardware 145

Brendan Gregg

AUGUST 29, 2021

Reads usually have apps waiting on them; writes may not (write-back caching). This is a 64-Gbyte memory system, and 48 Gbytes is in the page cache (the file system cache). Along with the numbers from the problem statement, this gives me a theory: Do the 100-Gbyte files bust the page cache, whereas 40-Gbyte files fit?

Cache 40

Cache C++ AWS Systems 40

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. Java applications use a similar mechanism.). In-Memory Data Grids for Fast-Changing Data. 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. Java applications use a similar mechanism.). In-Memory Data Grids for Fast-Changing Data. The Challenges with Parallel Queries.

Analytics 52

Analytics Airlines Cache Scalability 52

The Netflix TechBlog

NOVEMBER 9, 2022

We decided to move one of our Java microservices?—?let’s We turned to JVM-specific profiling, starting with the basic hotspot stats, and then switching to more detailed JFR (Java Flight Recorder) captures to compare the distribution of the events. Cache line is a concept similar to memory page?—? let’s call it GS2?—?to

Hardware 363

Hardware Cache Performance Latency 363

The Morning Paper

SEPTEMBER 24, 2020

Static analysis of Java enterprise applications: frameworks and caches, the elephants in the room , Antoniadis et al., If you try running Soot , WALA , or Doop out of the box on a real-world Java enterprise application you’re likely to get very low coverage, or possibly even no results at all if the tool fails to complete the analysis.

Java 80

Java Cache Benchmarking Programming 80

Brendan Gregg

SEPTEMBER 5, 2021

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. The ZFS Adapative Replacement Cache (ARC) is the main memory cache for the file system. The ARC contains lists of cached buffers for different memory types.

Cache 40

Cache Cloud Java Tuning 40

Speed Curve

JUNE 14, 2021

To overcome some of these challenges, we built our own Java-based player, complete with caching, content compression, and even bandwidth detection so it could switch between video, audio, and text versions of a course depending on network speed. Ultimately the business didn’t survive the dotcom bust, but it lit a spark.

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. In-development for MySQL 8.0 (now now a release candidate) In-development for MySQL 8.0 (now In-development for MySQL 8.0

Open Source 52

Open Source Servers Storage Scalability 52

Smashing Magazine

JUNE 18, 2020

Flutter isn’t that, though: it runs natively on each platform, and it means each app runs just like it would run if it were written in Java/Kotlin or Objective-C/Swift on Android and iOS, pretty much. You need to know that because this implies that you need to take care of the many differences between these very diverse platforms.

Storage 93

Storage Mobile Website Java 93

The Netflix TechBlog

JUNE 14, 2023

A single API team maintained both the Java implementation of the Falcor framework and the API Server. And we definitely couldn’t replay test non-functional requirements like caching and logging user interaction. Phase 1 Created a GraphQL Shim Service on top of our existing Monolith Falcor API.

Traffic 353

Traffic Latency Cache Metrics 353

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

The Netflix TechBlog

MARCH 8, 2021

Instead, we created a service to take the most popular configurations and cache them. A gRPC Java Spring Boot control plane and a Golang agent manages and reports on the lifecycle. Most artists were requesting a handful of standard configurations and did not need maximum flexibility. Now, artists can get a new workstation in seconds.

Entertainment 306

Entertainment Storage Hardware Open Source 306

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

Smashing Magazine

JUNE 30, 2021

First and foremost, this allows you to implement arbitrarily complex caching behavior, but it has also been extended to let you tap into long-running background fetches, push notifications, and other functionality that requires code to run without an associated page.

Games 145

Games Architecture Code C++ 145

High Scalability

JULY 20, 2018

That means multiple data indirections mean multiple cache misses. 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. They are very expensive. They never question this belief.

Internet 121

Internet Internet Scalability Automotive 121

Dynatrace

OCTOBER 21, 2020

You can see this yourself in the following screenshot where the “Estimated CPU time” of 59,8s / min clearly tell us that this Java main thread is fully utilizing one of our cores: Dynatrace Thread Analysis gives detailed performance breakdowns for each thread in your monitored application. Step 4: Fixing the issue.

Code 242

Code Cloud Engineering Java 242

High Scalability

FEBRUARY 19, 2019

Redis Cluster is the native sharding implementation available within Redis that allows you to automatically distribute your data across multiple nodes without having to rely on external tools and utilities. At ScaleGrid, we recently added support for Redis Clusters on our platform through our fully managed Redis hosting plans.

Availability 204

Availability Open Source Cache Storage 204

HammerDB

JUNE 27, 2022

Cached vs Scaled Workloads. A key difference between cached and scaled workloads is the implementation of keying and thinking time to introduce a pause of time between transactions. Instead, most users prefer to implement a cached workload. Using TPC terminology for non-audited benchmarks violate TPC trademarks.

Benchmarking 62

Benchmarking Open Source C++ Cache 62