The Netflix TechBlog

OCTOBER 15, 2019

Issues: This needs to be implemented as a library and ideally without requiring code changes for the application using it. No need to acquire locks on tables, which is essential to ensure that the write traffic on the database is never blocked by our service. Please stay tuned. Queue 17, 1, pages 40 (February 2019), 21 pages.

Transportation 192

Transportation Architecture Processing Storage 192

Brendan Gregg

SEPTEMBER 25, 2021

A Cassandra database cluster had switched to Ubuntu and noticed write latency increased by over 30%. top(1) showed that only the Cassandra database was consuming CPU. Without NMI, some kernel code paths (interrupts disabled) can't be profiled. A quick check of basic performance statistics showed over 30% higher CPU consumption.

Speed 126

Speed Java AWS Virtualization 126

Percona

MARCH 7, 2019

In other words, the time the CPU was executing user code, such as MySQL. 2019-02-22T18:26:25 Creating triggers. 2019-02-22T18:27:14 Created triggers OK. 2019-02-22T18:27:14 Copying approximately 4924071 rows. clients`: 94% 00:24 remain 2019-02-22T18:34:15 Copied rows OK. 2019-02-22T18:34:15 Analyzing new table.

C++ 101

C++ Traffic Servers Monitoring 101

O'Reilly

MAY 25, 2021

Note that the dataset on which GPT-3 trained terminated around October 2019. A quantum computing researcher will point out grave inaccuracies: the article simply asserts that quantum computers can break encryption codes, and also makes the simplistic claim that subatomic particles can be in “two places at once.” Among other things.

Social Media 138

Social Media Media Internet Internet 138

SQL Performance

MARCH 8, 2021

This can make it difficult to draw sound performance-tuning conclusions. The following examples use the public Stack Overflow 2013 database ( download details ), with a single index added: CREATE INDEX PP ON dbo. This next example query uses the same database and index as before. Compatibility level 150 is used exclusively.

Servers 95

Servers Tuning Architecture Processing 95

SQL Performance

DECEMBER 9, 2020

You can create supporting tables in the user database if needed. Use the following code to run a test with base CTE cardinality of 2 (requires 5 additional levels of CTEs): DECLARE @low AS BIGINT = 1 , @high AS BIGINT = 100000000 ; WITH. I tested my solutions in SQL Server 2019 Enterprise edition. You can add hints as needed.

C++ 114

C++ Servers Testing Processing 114

SQL Performance

AUGUST 15, 2019

Updated August 15th, 2019 for 0.9.6. We had to convert all our.NET Framework code to.NET Core, change our UI code to Node and React, and re-work the entire plan diagram implementation. Connecting to SQL Server 2012 or better, or Azure SQL Database. New in 0.9.6 – August 15th, 2019. NET Core Runtime 2.1

Azure 50

Azure Servers Tuning Operating System 50

SQL Performance

DECEMBER 9, 2020

You can create supporting tables in the user database if needed. Use the following code to run a test with base CTE cardinality of 2 (requires 5 additional levels of CTEs): DECLARE @low AS BIGINT = 1 , @high AS BIGINT = 100000000 ; WITH. I tested my solutions in SQL Server 2019 Enterprise edition. You can add hints as needed.

C++ 61

C++ Servers Testing Processing 61

Brendan Gregg

SEPTEMBER 25, 2021

A Cassandra database cluster had switched to Ubuntu and noticed write latency increased by over 30%. top(1) showed that only the Cassandra database was consuming CPU. Without NMI, some kernel code paths (interrupts disabled) can't be profiled. A quick check of basic performance statistics showed over 30% higher CPU consumption.

Speed 40

Speed Java AWS Virtualization 40

HammerDB

OCTOBER 12, 2018

Similarly for this guide MySQL can be swapped for a mySQL based databases such as MariaDB. As is also the case this limitation is at the database level (especially the storage engine) rather than the hardware level. As is exactly the same with PostgreSQL for system choice a 2 socket system is optimal for MySQL OLTP performance.

Best Practices 40

Best Practices Scalability Performance C++ 40

The Netflix TechBlog

DECEMBER 17, 2019

Andreas Andreakis , Ioannis Papapanagiotou Overview Change-Data-Capture (CDC) allows capturing committed changes from a database in real-time and propagating those changes to downstream consumers [1][2]. In databases like MySQL and PostgreSQL, transaction logs are the source of CDC events. Designed with High Availability in mind.

Database 212

Database Traffic Transportation Open Source 212

The Netflix TechBlog

DECEMBER 17, 2019

Andreas Andreakis , Ioannis Papapanagiotou Overview Change-Data-Capture (CDC) allows capturing committed changes from a database in real-time and propagating those changes to downstream consumers [1][2]. In databases like MySQL and PostgreSQL, transaction logs are the source of CDC events. Designed with High Availability in mind.

Database 197

Database Traffic Transportation Open Source 197

O'Reilly

JULY 25, 2023

If you’re reading this, chances are you’ve played around with using AI tools like ChatGPT or GitHub Copilot to write code for you. So far I’ve read a gazillion blog posts about people’s experiences with these AI coding assistance tools. For instance, if I’m reading a paper from 2019, a popular song from that year could start playing.

Programming 98

Programming Code Design Benchmarking 98