Dynatrace

APRIL 20, 2023

“[Grail] also provides Dynatrace partners answers with no indexes, no schema definition, and no rehydration,” Pawlowski added. ” Weighing the value and cost of indexed databases vs. Grail With standard index databases, teams must choose relevant indexes before data ingestion. But what about value versus cost?

Analytics 192

Analytics Infrastructure Storage Efficiency 192

Dynatrace

FEBRUARY 14, 2022

Among these, you can find essential elements of application and infrastructure stacks, from app gateways (like HAProxy), through app fabric (like RabbitMQ), to databases (like MongoDB) and storage systems (like NetApp, Consul, Memcached, and InfluxDB, just to name a few). Topology definition and entity extraction rules. documentation.

Technology 222

Technology Technology Metrics Infrastructure 222

Dynatrace

DECEMBER 18, 2023

This challenge has given rise to the discipline of observability engineering, which concentrates on the details of telemetry data to fine-tune observability use cases. For Kubernetes, it’s a good idea to configure port-forwarding to facilitate database debugging, which enables us to load the metrics overview in our browser.

Metrics 182

Metrics Engineering Energy Tuning 182

Percona

AUGUST 30, 2023

This can be changed later using the pg_checksums utility, but that will be a painful exercise on a big database. Database level setting All options discussed so far have a global scope. But there could be reasons why a PostgreSQL user wants to change that at a specific database level.

Database 99

Database Servers Open Source Tuning 99

Percona

MARCH 27, 2023

On MySQL and Percona Server for MySQL , there is a schema called information_schema (I_S) which provides information about database tables, views, indexes, and more. You can read some optimization examples in the official doc: [link]. Results for Percona Server for MySQL 8.0 While you are on 5.7, Try Percona Distribution for MySQL today!

Cache 98

Cache Hardware Servers Benchmarking 98

Percona

AUGUST 27, 2018

Database administrators with appropriate privileges can associate virtual CPUs with resource groups and assign threads to these groups. Then we need to see IF implementing the tuning will work or not. It is possible to do more tuning in the case that ETL is too compromised. Currently, CPU affinity (i.e., Will this work?

Tuning 44

Tuning Virtualization Testing Servers 44

High Scalability

AUGUST 24, 2021

If you have experience in hosting and with the WordPress stack, have worked with Ubuntu or Debian-based systems, and cutting-edge technologies, such Ansible and LXC, you should definitely check us out and apply here ! Pinecone is a fully managed vector database that makes it easy to add vector search to production applications.

Education 100

Education DevOps Infrastructure Benchmarking 100

High Scalability

OCTOBER 27, 2021

If you have experience in hosting and with the WordPress stack, have worked with Ubuntu or Debian-based systems, and cutting-edge technologies, such Ansible and LXC, you should definitely check us out and apply here ! Pinecone is a fully managed vector database that makes it easy to add vector search to production applications.

Education 100

Education DevOps Infrastructure Benchmarking 100

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. Bounce the database, replacing the binaries with the older release.

Metrics 98

Metrics C++ Storage Database 98

High Scalability

SEPTEMBER 29, 2021

If you have experience in hosting and with the WordPress stack, have worked with Ubuntu or Debian-based systems, and cutting-edge technologies, such Ansible and LXC, you should definitely check us out and apply here ! Pinecone is a fully managed vector database that makes it easy to add vector search to production applications.

Education 100

Education DevOps Infrastructure Benchmarking 100

High Scalability

SEPTEMBER 15, 2021

If you have experience in hosting and with the WordPress stack, have worked with Ubuntu or Debian-based systems, and cutting-edge technologies, such Ansible and LXC, you should definitely check us out and apply here ! Pinecone is a fully managed vector database that makes it easy to add vector search to production applications.

Education 100

Education DevOps Infrastructure Benchmarking 100

Percona

APRIL 12, 2023

They came up with a horizontally scalable NoSQL database. Instead of relational (SQL) databases defined primarily through a hierarchy of related sets via tables and columns, their non-relational structure used a system of collections and documents. Is MongoDB an open source NoSQL database?

Open Source 79

Open Source Programming Database Servers 79

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. Now you can extend your observability into data acquired from an Oracle Database using SQL queries.

Azure 221

Azure Metrics AWS Monitoring 221

Percona

JULY 6, 2023

Performance is one of the essential aspects of a database management system. Next is the table definition. One way to verify a column’s number of distinct values is by querying the pg_stats view in our database. Tune the random_page_cost parameter. Tune the effective_cache_size parameter.

Best Practices 87

Best Practices Tuning Database Testing 87

Percona

JANUARY 19, 2023

Some startups adopted MySQL in its early days such as Facebook, Uber, Pinterest, and many more, which are now big and successful companies that prove that MySQL can run on large databases and on heavily used sites. Some of them are: MySQL Cluster: MySQL NDB Cluster is an in-memory database clustering solution developed by Oracle for MySQL.

Open Source 85

Open Source Storage Database Big Data 85

Dynatrace

MAY 16, 2019

Calls to database. Time spent in calls to database. You can add further conditions to the metric definition to limit the metric to a specific set of services or to a single service. Stay tuned for details. Request count. Successful request count. Failed request count. Failure rate. HTTP 4xx count. HTTP 5xx count.

Metrics 116

Metrics Analytics Programming Monitoring 116

Scalegrid

JANUARY 8, 2019

Another configuration we can use to increase the efficiency of parallel execution on the slaves is to tune binlog_group_commit_sync_delay on the master. It also allows you to dynamically tune the above parameters to ensure the slaves are working hand in hand with the master, therefore, minimizing your time involved in a failover process.

Availability 113

Availability Tuning Speed Network 113

Dynatrace

JANUARY 13, 2021

Dynatrace’s OneAgent automatically captures PurePaths and analyzes transactions end-to-end across every tier of your application technology stack with no code changes, from the browser all the way down to the code and database level. Stay tuned for an upcoming Performance Clinic !

Open Source 140

Open Source Code Monitoring Azure 140

Alex Podelko

OCTOBER 20, 2016

As already mentioned, performance testing is rather a performance engineering process (with tuning, optimization, troubleshooting and fixing multi-user issues) eventually bringing the system to the proper state rather than just testing. System’s configuration is not given anymore and often can’t be easily mapped to hardware.

Performance Testing 100

Performance Testing Architecture Testing Performance 100

SQL Performance

APRIL 8, 2020

It occurred to me that both the naming confusion, and the confusion around whether there's a persistency aspect to table expressions, can be cleared with a better understanding of the fundamentals of our field of relational database management systems. In my examples I'll use a sample database called TSQLV5. Physical data independence.

C++ 143

C++ Azure Database Servers 143

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. TheThings. (

Cache 59

Cache Tuning Database Performance 59

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). On high-performance multi-core systems all the supported databases can return performance in the many millions of transactions per minute.

Programming 67

Programming Benchmarking Virtualization C++ 67

KeyCDN

OCTOBER 31, 2018

PHPStorm PHPStorm streamlines application development by offering integration with relational databases and other PHP tools. It might have more features than you need, but it’s especially helpful if you use MySQL for database management. Below is a run down of a few useful PHP tools for developers.

Development 57

Development Open Source Java AWS 57

SQL Performance

DECEMBER 9, 2020

You can create supporting tables in the user database if needed. Here’s the dummy table definition: CREATE TABLE dbo. So, my tuning efforts ended up yielding an improvement of 43.5 BatchMe ( col1 INT NOT NULL , INDEX idx_cs CLUSTERED COLUMNSTORE ) ; And use the following iTVF definition: CREATE OR ALTER FUNCTION dbo.

C++ 114

C++ Servers Testing Processing 114

O'Reilly Software

APRIL 4, 2018

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. The data shape will dictate capacity planning, tuning of the backbone, and scalability analysis for individual components.

Architecture 80

Architecture Scalability Google Operating System 80

The Netflix TechBlog

JULY 26, 2021

In the initial stage, data consumers set up ETL pipelines directly pulling data from databases. With this batch style approach, several issues have surfaced like data movement is tightly coupled with database tables, database schema is not an exact mapping of business data model, and data being stale given it is not real time etc.

Big Data 253

Big Data Government Analytics Processing 253

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. It definitely works on 4.14, if you can run that, with CPUs that support pcid (check /proc/cpuinfo). Much of my testing was on Linux 4.14.11 and 4.14.12 1024 nopti: 922336 1024 6.59

Performance 75

Performance Benchmarking Cache Tuning 75

The Netflix TechBlog

AUGUST 1, 2022

Data Mesh Overview A New Definition Of Data Mesh Previously, we defined Data Mesh as a fully managed, streaming data pipeline product used for enabling Change Data Capture (CDC) use cases. They use different mechanisms to stream events out of the source databases. Please stay tuned! This article gives an overview of the system.

Processing 272

Processing Transportation Entertainment Tuning 272

Percona

MARCH 7, 2019

There could be more, but this particular query was definitely hurting the performance of the server. Disclosure : For security reasons, sensitive information, such as database, table, column names have been modified and graphs recreated to simulate a similar problem. Drop average query time from 20s to 661ms. Increase QPS by 2x.

C++ 98

C++ Traffic Servers Monitoring 98

SQL Performance

APRIL 6, 2020

FROM trc ORDER BY StartTimeUTC DESC ; Sample results from one server, where there were definitely some manual and automatic events that happened ( click to enlarge ): Writing a replacement. running a "Shrink Database" task from the UI ( click to enlarge ): Deploying it everywhere. Stay tuned! e ) WHERE t. ELSE AppName END.

Servers 61

Servers Tuning Database 61

SQL Performance

DECEMBER 9, 2020

You can create supporting tables in the user database if needed. Here’s the dummy table definition: CREATE TABLE dbo. So, my tuning efforts ended up yielding an improvement of 43.5 BatchMe ( col1 INT NOT NULL , INDEX idx_cs CLUSTERED COLUMNSTORE ) ; And use the following iTVF definition: CREATE OR ALTER FUNCTION dbo.

C++ 61

C++ Servers Testing Processing 61

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. It definitely works on 4.14, if you can run that, with CPUs that support pcid (check /proc/cpuinfo). Much of my testing was on Linux 4.14.11 and 4.14.12 1024 nopti: 922336 1024 6.59

Performance 40

Performance Benchmarking Cache Tuning 40

SQL Performance

SEPTEMBER 2, 2021

A lot of things change over the course of a few major versions of our favorite database platform. If you wish to use CLR, you should definitely borrow code from fellow MVP Adam Machanic before thinking about writing your own (I've blogged before about re-inventing the wheel , and it also applies to free code snippets like this).

C++ 59

C++ Servers Testing Database 59

The Netflix TechBlog

OCTOBER 18, 2022

We want users to rely on shared templates and reuse their workflow definitions across their team, saving time and effort on creating the same functionality. Maestro high level architecture In Maestro, a workflow is a DAG (Directed acyclic graph) of individual units of job definition called Steps.

Java 202

Java Scalability Traffic Architecture 202

The Netflix TechBlog

JUNE 13, 2023

Migrating Critical Traffic At Scale with No Downtime — Part 2 Shyam Gala , Javier Fernandez-Ivern , Anup Rokkam Pratap , Devang Shah Picture yourself enthralled by the latest episode of your beloved Netflix series, delighting in an uninterrupted, high-definition streaming experience.

Traffic 279

Traffic Metrics Systems Strategy 279

The Netflix TechBlog

DECEMBER 21, 2020

Other than these principles, there are some other design considerations to support and enable: Multi-tenancy with database and table prioritization. Orient: Gather tuning parameters for a particular table that changed. AutoAnalyze In short, AutoAnalyze finds the best tuning/configuration parameters for a table.

Storage 203

Storage Latency Efficiency Data Engineering 203

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