Alex Podelko

OCTOBER 20, 2016

I am looking forward to share my thoughts on ‘Reinventing Performance Testing’ at the imPACt performance and capacity conference by CMG held on November 7-10, 2016 in La Jolla, CA. Another major trend is using multiple third-party components and services, which may be not easy to properly incorporate into testing. – Cloud.

Performance Testing 100

Performance Testing Architecture Testing Performance 100

Percona

MARCH 23, 2023

PostgreSQL supports sharding, which allows data to be distributed across multiple servers, making it ideal for high-traffic websites and applications. If you are looking for a database system for your enterprise-level application, PostgreSQL is definitely worth considering. Download Percona Distribution for PostgreSQL Today!

Database 114

Database Open Source Traffic Small Business 114

Percona

AUGUST 27, 2018

It is well hidden in the Optimization: Optimizing the MySQL Server chapter. In my scenario, I have a very noisy secondary application written by a very, very bad developer that accesses my servers, mostly with read queries, and occasionally with write updates. I am talking about resource groups.

Tuning 44

Tuning Virtualization Testing Servers 44

Percona

AUGUST 30, 2023

Those parameters taken from the specific data directory initialization, which overrides the built-in parameters, can be checked like this: select name,setting from pg_settings where source='override'; This override includes some of the calculated auto-tune values for that environment. But changing this is possible only at the server startup.

Database 99

Database Servers Open Source Tuning 99

Dynatrace

APRIL 21, 2022

To stay tuned, keep an eye on our release notes. You can now enable a burn rate visualization during SLO creation either from the SLO wizard or from Service-level objective definitions by enabling Burn rate visualization enabled. The “Test connection” button in the Kubernetes settings now works properly for OCP 3.11.

Azure 205

Azure Metrics AWS Monitoring 205

High Scalability

AUGUST 24, 2021

SysOps Enginee r: As Kinsta ’s SysOps Engineer, you’ll play a key role in caring for the health of our servers, preventing issues, and responding immediately to mitigate any problems in our infrastructure. No more hassles of benchmarking and tuning algorithms or building and maintaining infrastructure for vector search.

Education 100

Education DevOps Infrastructure Benchmarking 100

High Scalability

OCTOBER 27, 2021

SysOps Enginee r: As Kinsta ’s SysOps Engineer, you’ll play a key role in caring for the health of our servers, preventing issues, and responding immediately to mitigate any problems in our infrastructure. No more hassles of benchmarking and tuning algorithms or building and maintaining infrastructure for vector search.

Education 100

Education DevOps Infrastructure Benchmarking 100

High Scalability

SEPTEMBER 29, 2021

SysOps Enginee r: As Kinsta ’s SysOps Engineer, you’ll play a key role in caring for the health of our servers, preventing issues, and responding immediately to mitigate any problems in our infrastructure. No more hassles of benchmarking and tuning algorithms or building and maintaining infrastructure for vector search.

Education 100

Education DevOps Infrastructure Benchmarking 100

High Scalability

SEPTEMBER 15, 2021

SysOps Enginee r: As Kinsta ’s SysOps Engineer, you’ll play a key role in caring for the health of our servers, preventing issues, and responding immediately to mitigate any problems in our infrastructure. No more hassles of benchmarking and tuning algorithms or building and maintaining infrastructure for vector search.

Education 100

Education DevOps Infrastructure Benchmarking 100

Tim Kadlec

APRIL 12, 2020

The cache hit was very low (a topic for another day), and whenever the server had to provide a fresh version of the page, it was taking an unacceptably long time more often than not. Synthetic tests, even properly tuned to match device and network characteristics, only occasionally surfaced the issue.

Tuning 69

Tuning Cache Network Servers 69

Percona

OCTOBER 17, 2023

Many changes and new features are brought to the system, and as part of keeping in tune with the changes and how they can impact us, we go through the changes to better understand them. The dynamic allocation might have flaws, but it’s definitely a good addition. From that, this article is born. Conclusion MongoDB 7.0

Metrics 98

Metrics C++ Storage Database 98

Percona

JANUARY 19, 2023

Example: Creating four simple tables to store strings but using different data types: db1 test> CREATE TABLE tb1 (id int auto_increment primary key, test_text char(200)); Query OK, 0 rows affected (0.11 sec) db1 test> CREATE TABLE tb2 (id int auto_increment primary key, test_text varchar(200)); Query OK, 0 rows affected (0.05

Open Source 85

Open Source Storage Database Big Data 85

MachMetrics

JULY 31, 2020

But we’ll definitely help you decide which is the best choice for your situation. Simply put, compression allows the web server to send smaller files to your web site viewers. Thankfully, it’s almost universally supported by web servers and all modern browsers and is also fairly easy to set up, as we’ll detail below.

Speed 67

Speed Servers Google Tuning 67

SQL Performance

DECEMBER 9, 2020

In a comment to my article, Marcos Kirchner mentioned that he tested my solution with varying table value constructor cardinalities, and got different execution times for the different cardinalities. Testing different base table cardinalities is just one dimension to try. Let’s proceed to performance testing.

C++ 114

C++ Servers Testing Processing 114

SQL Server According to Bob

JANUARY 11, 2020

Microsoft SQL Server I/O Basics Author: ​​ Bob Dorr, Microsoft SQL Server Escalation Published: ​​ December, 2004 SUMMARY: ​​ Learn the I/O requirements for Microsoft SQL Server database file operations. This will help you increase system performance and avoid I/O environment errors.

Servers 40

Servers Cache Media Hardware 40

HammerDB

FEBRUARY 25, 2021

HammerDB is a load testing and benchmarking application for relational databases. All the databases that HammerDB tests implement a form of MVCC (multi-version concurrency control). For HammerDB both TPROC-C and TPROC-H run all of their workloads on the database being tested in SQL. and the following from TPROC-H.

Programming 67

Programming Benchmarking Virtualization C++ 67

KeyCDN

OCTOBER 31, 2018

Thanks to its reliable performance, extensive documentation and dedicated user community, PHP is one of the preferred server-side scripting language of many web developers. Thanks to the built-in PHP server and debugging tool, you can integrate your other PHP tools to build and test PHP apps in one environment.

Development 57

Development Open Source Java AWS 57

SQL Performance

DECEMBER 9, 2020

In a comment to my article, Marcos Kirchner mentioned that he tested my solution with varying table value constructor cardinalities, and got different execution times for the different cardinalities. Testing different base table cardinalities is just one dimension to try. Let’s proceed to performance testing.

C++ 61

C++ Servers Testing Processing 61

Percona

MARCH 7, 2019

The server is a small instance: Models | 6xIntel(R) Xeon(R) CPU E5-2430 0 @ 2.20GHz 10GB RAM This symptom can be caused by various different reasons. There could be more, but this particular query was definitely hurting the performance of the server. Have realistic load tests. Drop average query time from 20s to 661ms.

C++ 99

C++ Traffic Servers Monitoring 99

SQL Performance

JANUARY 11, 2021

So when their compiled application sends ad hoc queries to SQL Server, particularly as a prepared statement, and when we don't have the freedom to add or change indexes, several tuning opportunities are immediately off the table. We'd definitely prefer to change the query, or the indexes, if we could. sp_create_plan_guide.

Cache 59

Cache Tuning Database Performance 59

SQL Performance

SEPTEMBER 2, 2021

SQL Server 2016 brought us STRING_SPLIT , a native function that eliminates the need for many of the custom solutions we’ve needed before. I’ve written several articles about this function (and STRING_AGG, which arrived in SQL Server 2017) since this post was written: Performance Surprises and Assumptions : STRING_SPLIT().

C++ 59

C++ Servers Testing Database 59

Brendan Gregg

FEBRUARY 9, 2018

In this post I'll look at the Linux kernel page table isolation (KPTI) patches that workaround Meltdown: what overheads to expect, and ways to tune them. Much of my testing was on Linux 4.14.11 Also microbenchmarks, which often stress-test the system, will suffer the largest losses. and 4.14.12 DTLB and 4.4% DTLB and 1.1%

Performance 75

Performance Benchmarking Cache Tuning 75

Brendan Gregg

SEPTEMBER 5, 2017

We're now testing container hosts in production on btrfs, instead of ZFS. Oracle VM Server is based on Xen. Both Xen and KVM have had many performance and security improvements, and workloads can now be tuned to run at almost bare metal speeds (say, a 3% loss or less). Outside of EC2, many other providers are deploying on KVM.

Virtualization 76

Virtualization AWS Engineering Hardware 76

Brendan Gregg

FEBRUARY 8, 2018

In this post I'll look at the Linux kernel page table isolation (KPTI) patches that workaround Meltdown: what overheads to expect, and ways to tune them. Much of my testing was on Linux 4.14.11 Also microbenchmarks, which often stress-test the system, will suffer the largest losses. and 4.14.12 DTLB and 4.4% DTLB and 1.1%

Performance 40

Performance Benchmarking Cache Tuning 40

High Scalability

NOVEMBER 25, 2019

Application Servers. Apache FTP server. Native desktop and server hosted clients that allow both interactive as well as hybrid sync access to the entire namespace. Tens of petabytes of data stored in our servers and other object stores such as GCS, S3 and Azure Blobstore. Egnyte Connect Tech Stack. Cloud Platform.

Architecture 52

Architecture Cache Azure Storage 52

Smashing Magazine

SEPTEMBER 27, 2019

In this article, we’ll be putting all the theory to the test by performing step-by-step migration of an application, following the recommendations from the previous part. It’s time to put the theory to the test. Restart your server if needed and witness the magic of the Alien component integrated into Host. Denys Mishunov.

Storage 68

Storage Testing Processing Code 68

O'Reilly

NOVEMBER 28, 2023

Unexpected outcomes, security, safety, fairness and bias, and privacy are the biggest risks for which adopters are testing. If we asked whether their companies were using databases or web servers, no doubt 100% of the respondents would have said “yes.” 16% of respondents working with AI are using open source models.

Open Source 112

Open Source Artificial Intelligence Google Infrastructure 112

O'Reilly

JANUARY 17, 2023

You’ll try this with a few other algorithms, and their respective tuning parameters–maybe even break out TensorFlow to build a custom neural net along the way–and the winning model will be the one that heads to production. If you’re a professional data scientist, you already have the knowledge and skills to test these models.

Tuning 133

Tuning Open Source AWS Software 133

Smashing Magazine

AUGUST 22, 2021

This explains the challenges involved in deploying and testing HTTP/3 yourself. Latency can be roughly defined as the time it takes to send a packet from point A (say, the client) to point B (the server). As such, tuning congestion logic is usually only done by a select few developers, and evolution is slow. A Primer on Speed.

Performance 107

Performance Network Latency Servers 107

Smashing Magazine

SEPTEMBER 6, 2021

Next, we’ll look at how to set up servers and clients (that’s the hard part unless you’re using a content delivery network (CDN)). This explains the challenges involved in deploying and testing HTTP/3 yourself. Server Sharding and Connection Coalescing. This is more in-depth and technical. Changes To Pages And Resources.

Network 107

Network Servers Cache Traffic 107

Smashing Magazine

OCTOBER 22, 2021

As flawed as the implementation was, it was sufficiently playable to invite friends for a first test drive. Clearly, the “first client rules all” approach needed to be replaced with a solution in which the game state lives on the server. The other clients would then apply the changes to the game objects. Project Setup.

Games 97

Games Servers Database Virtualization 97

Smashing Magazine

AUGUST 9, 2021

It was heralded as an amazing performance revolution, with exciting new features such as server push, parallel streams, and prioritization. We would have been able to stop bundling resources, stop sharding our resources across multiple servers, and heavily streamline the page-loading process. This is more in depth and technical.

Transportation 145

Transportation Internet Internet Network 145

O'Reilly

OCTOBER 11, 2022

Selenium , the first tool for automated browser testing (2004), could be programmed to find fields on a web page, click on them or insert text, click “submit,” scrape the resulting web page, and collect results. But the core of the process is simple, and hasn’t changed much since the early days of web testing. What’s required?

Games 120

Games Healthcare Processing Retail 120