Dynatrace

APRIL 21, 2022

Once you have and understand this data, you can identify issues, find opportunities for improvement, and eliminate risks before you go through a costly migration exercise. To optimize your back-end systems, you can use the service flow view within Dynatrace to identify layers of application architecture. Missing caching layers.

Azure 246

Azure Monitoring Virtualization Metrics 246

Percona

AUGUST 8, 2023

As such, one of the more common questions I get from my clients is whether or not their system will be able to endure an anticipated load increase. Global caches like the InnoDB buffer pool and MyISAM key cache and session-level caches like the sort buffer, join buffer, random read buffer, etc.

Traffic 98

Traffic Cache Monitoring Database 98

The Morning Paper

SEPTEMBER 24, 2019

50 ways to leak your data: an exploration of apps’ circumvention of the Android permissions system Reardon et al., Side-channels are typically an unintentional consequence of a complicated system. The OpenX SDK was found to be using the ARP cache side channel, and the code makes it clear the authors knew what they were doing.

Systems 74

Systems Traffic Network Google 74

All Things Distributed

OCTOBER 2, 2017

With these requirements in mind, and a willingness to question the status quo, a small group of distributed systems experts came together and designed a horizontally scalable distributed database that would scale out for both reads and writes to meet the long-term needs of our business. This was the genesis of the Amazon Dynamo database.

Internet 111

Internet Internet AWS Performance 111

All Things Distributed

NOVEMBER 21, 2017

Redis's microsecond latency has made it a de facto choice for caching. The system is more robust. With over 200 million users and seven billion language exercises completed each month, the company's mission is to make education free, fun, and accessible to all. We have also made other enhancements along the way.

Games 96

Games Retail Latency Education 96

HammerDB

APRIL 19, 2023

Instead, focus on understanding what the workloads exercise to help us determine how to best use them to aid our performance assessment. Therefore, before we attempt to measure our database performance, we should know the system or cloud instance to be tested in detail. Operating System: Ubuntu 22.04 Operating System: Ubuntu 22.04

Performance 55

Performance Benchmarking Cache Storage 55

The Morning Paper

DECEMBER 8, 2019

At the start of November I was privileged to attend HPTS (the High Performance Transaction Systems) conference in Asilomar. Byte-addressable non-volatile memory,) NVM will fundamentally change the way hardware interacts, the way operating systems are designed, and the way applications operate on data. PLOS’19.

Hardware 56

Hardware Programming Media Storage 56

Sutter's Mill

JANUARY 25, 2021

Not only is the integer comparison operation cheap, but min and max are already being accessed by this function and so they’re already “hot” in registers or cache. If you develop your own assertion system for in-house use, support enabling/disabling at least these kinds of assertions independently. [1]

C++ 63

C++ Programming Cache Testing 63

The Morning Paper

JANUARY 23, 2020

The process tracing exercise included: Examning IRC transcripts from multiple channels. Peer consensus was the primary mechanism used to decide whether to take actions affecting the production systems, and on two occassions changes were pushed through without waiting for automated tests to complete.

Internet 53

Internet Internet Cache Engineering 53

Brendan Gregg

JUNE 30, 2018

sounds like a homework exercise of purely academic value. In some cases, a benchmark may appear to exceed network bandwidth because it returns from a local memory cache instead of the remote target. If the benchmark reported 20k ops/sec, you should ask: why not 40k ops/sec? This is really asking "what's the limiter?" Does it reproduce?

Benchmarking 47

Benchmarking Latency Cache Network 47

Percona

JULY 6, 2023

Performance is one of the essential aspects of a database management system. Very little can be more annoying and frustrating for users than poor performance, meaning long-running queries and high response times at the front end. Next is the table definition.

Best Practices 111

Best Practices Tuning Testing Database 111

Brendan Gregg

JUNE 29, 2018

sounds like a homework exercise of purely academic value. In some cases, a benchmark may appear to exceed network bandwidth because it returns from a local memory cache instead of the remote target. If the benchmark reported 20k ops/sec, you should ask: why not 40k ops/sec? This is really asking "what's the limiter?" Does it reproduce?

Benchmarking 40

Benchmarking Latency Cache Network 40

The Morning Paper

NOVEMBER 14, 2019

Sharing is caring caching. Therefore friend groups all end up accessing similar content, a fact that can be exploited in the backend to improve cache utilisation. This safety guard ensures larger changes happen in stages, giving caching systems etc. Taiji builds on top of Social Hash to provide connection-aware routing.

Traffic 42

Traffic Internet Internet Latency 42

John McCalpin

AUGUST 1, 2018

This is an intellectually challenging and labor-intensive exercise, requiring detailed review of the published details of each of the components of the system, and usually requiring significant “detective work” (using customized microbenchmarks, hardware performance counter analysis, and creative thinking) to fill in the gaps.

Hardware 40

Hardware Transportation Performance Latency 40

John McCalpin

AUGUST 1, 2018

This is an intellectually challenging and labor-intensive exercise, requiring detailed review of the published details of each of the components of the system, and usually requiring significant “detective work” (using customized microbenchmarks, hardware performance counter analysis, and creative thinking) to fill in the gaps.

Hardware 40

Hardware Transportation Performance Latency 40

SQL Server According to Bob

JANUARY 26, 2017

And we state in the documentation the following regarding tempdb: Transparent Data Encryption and the tempdb System Database. The tempdb system database will be encrypted if any other database on the instance of SQL Server is encrypted by using TDE. For more information about the tempdb system database, see tempdb Database.

Servers 40

Servers Database Azure Cache 40

Speed Curve

APRIL 7, 2025

My work in the past decade on performance has been an exercise in working backwards from strategy to tactics. That is a general-purpose offer, and our goal is to learn about problems that folks are experiencing all over the system, but today the effort mostly focuses on performance because of the dire place that many teams find themselves in.

Performance 52

Performance Energy Google Strategy 52