Dynatrace

NOVEMBER 15, 2021

A log is a detailed, timestamped record of an event generated by an operating system, computing environment, application, server, or network device. Logs can include data about user inputs, system processes, and hardware states. Optimized system performance. What is log analytics? Increased collaboration.

Analytics 198

Analytics Monitoring Artificial Intelligence DevOps 198

Dynatrace

SEPTEMBER 29, 2021

Think of containers as the packaging for microservices that separate the content from its environment – the underlying operating system and infrastructure. For a deeper look into how to gain end-to-end observability into Kubernetes environments, tune into the on-demand webinar Harness the Power of Kubernetes Observability.

Open Source 290

Open Source Traffic DevOps Cloud 290

Percona

AUGUST 29, 2018

For optimum performance, a PostgreSQL database depends on the operating system parameters being defined correctly. In this post, we will discuss some important kernel parameters that can affect database server performance and how these should be tuned. PostgreSQL uses System V (SysV) that requires SHMMAX setting.

Tuning 54

Tuning Database Servers Processing 54

O'Reilly Software

APRIL 4, 2018

Considerations for setting the architectural foundations for a fast data platform. Google was among the pioneers that created “web scale” architectures to analyze the massive data sets that resulted from “crawling” the web that gave birth to Apache Hadoop, MapReduce, and NoSQL databases. Back in the days of Web 1.0,

Architecture 80

Architecture Scalability Google Operating System 80

HammerDB

APRIL 19, 2023

Let’s look at how the workloads behave when running on an identical system We ran both sysbench and HammerDB on a system with: Processors: Two Intel Xeon 8360Y processor sockets (36 Core/72 Threads per socket). Operating System: Ubuntu 22.04 For the experiments in this blog, we did not tune the system.

Performance 54

Performance Benchmarking Cache Storage 54

John McCalpin

APRIL 25, 2023

This metric is interesting because we don’t always have the luxury of parallelizing every application we run, and our operating systems almost always process each call (e.g., Stay tuned! buffer copies for filesystem access) with a single thread. Some I will address today, and some in the next blog entry.

Benchmarking 97

Benchmarking Cache Latency Tuning 97

Adrian Cockcroft

JUNE 21, 2022

I became the Sun UK local specialist in performance and hardware, and as Sun transitioned from a desktop workstation company to sell high end multiprocessor servers I was helping customers find and fix scalability problems. We had specializations in hardware, operating systems, databases, graphics, etc.

Tuning 52

Tuning Benchmarking Engineering C++ 52

The Morning Paper

MAY 21, 2019

Google’s “far” memory it turns out is exactly the same memory, but with compressed data stored in it! Thus we’re fundamentally trading (de)-compression latency at access time for the ability to pack more data in memory. Using zswap means that no new hardware solutions are required, enabling rapid deployment across clusters.

Software 78

Software Software Google Hardware 78

HammerDB

FEBRUARY 25, 2021

This helps to minimise locking allowing multiple sessions to access the same data at the same time. On high-performance multi-core systems all the supported databases can return performance in the many millions of transactions per minute. Database interfaces in C. So lets take a look at how this would work in practice.

Programming 67

Programming Benchmarking Virtualization C++ 67

HammerDB

JANUARY 5, 2019

For example the following chart (with the actual data removed for the reasons described further in this post) shows the HammerDB TPC-C workload run against the same database on different processing architectures (grouped by colour) and speed with the most recent at the top. In all cases this is random data so presents no security challenges.

Benchmarking 40

Benchmarking Database Social Media Scalability 40

SQL Server According to Bob

JANUARY 11, 2020

To ensure data integrity for our customers who are running SQL Server, it is important that I/O environments provide appropriate functionality. Atomicity A transaction must be an atomic unit of work; either all of its data modifications are performed or none of them are performed.

Servers 40

Servers Cache Media Hardware 40

SQL Performance

JUNE 21, 2019

I always check backups first when looking at a new system. Data loss can be detrimental to an organization. Working with and having to tell customers that they've lost data is never fun or easy. MAXDOP and cost threshold for parallelism. SQL Server Agent alerts. Having proper backups to meet recovery objectives is critical.

Servers 49

Servers Azure Hardware Database 49

Dynatrace

NOVEMBER 20, 2019

The IBM Z platform is a range of mainframe hardware solutions that are quite frequently used in large computing shops. Typically, these shops run the z/OS operating system, but more recently, it’s not uncommon to see the Z hardware running special versions of Linux distributions. Stay tuned for more announcements.

Availability 30

Availability Hardware Java Tuning 30

Dynatrace

AUGUST 8, 2019

The IBM Z platform is a range of mainframe hardware solutions that are quite frequently used in large computing shops. Typically, these shops run the z/OS operating system, but more recently, it’s not uncommon to see the Z hardware running special versions of Linux distributions. Stay tuned for more announcements.

Availability 25

Availability Hardware Java Tuning 25

Percona

AUGUST 30, 2018

Because recognizing if the workload is read intensive or write intensive will impact your hardware choices, database configuration as well as what techniques you can apply for performance optimization and scalability. Let’s now look at the operating system level. Why should you care? Not all writes are equal either.

Benchmarking 47

Benchmarking Database Operating System Architecture 47

KeyCDN

SEPTEMBER 20, 2018

Not all back-end errors affect the user experience, but keeping track of them can prove helpful when tuning your app. The Google DevTools console can give you real-time feedback to help you trace the source of errors, and you can set handlers to automate exception data collection.

Strategy 67

Strategy Monitoring Website Google 67

SQL Server According to Bob

JANUARY 11, 2020

Subsystem / Path The ​​ I/O subsystem or path ​​ includes ​​ those ​​ components ​​ that are ​​ used to support an I/O operation. In ​​ other words, ​​ a formula is applied ​​ to a given set of bytes.

Servers 40

Servers Cache Database Media 40

High Scalability

NOVEMBER 25, 2019

There are a couple of downsides though in case you are looking to use it to support tens of thousands of users working on hundreds of millions of files simultaneously containing petabytes of data. Our only option was to roll up our sleeves and build basic cloud file system components such as object store ourselves. Document store.

Architecture 52

Architecture Cache Azure Storage 52