The Morning Paper

SEPTEMBER 19, 2019

We’ve been covering papers from VLDB 2019 for the last three weeks, and next week it will be time to mix things up again. MongoDB is an important database, and this paper explains the tunable (per-operation) consistency models that MongoDB provides and how they are implemented under the covers. What’s their secret???

Blockchain 46

Blockchain Hardware Google Speed 46

O'Reilly

JULY 15, 2020

Combined, technology verticals—software, computers/hardware, and telecommunications—account for about 35% of the audience (Figure 2). The share of adoption for the 12-month period between January of 2019 and January of 2020 likewise suggests that microservices remains a topic of interest to O’Reilly users.

Database 145

Database Architecture Education Systems 145

SQL Performance

NOVEMBER 1, 2019

I helped Bob Ward ( @bobwardms ) with technical editing for his most recent book, " SQL Server 2019 Revealed ," and have been actively engaged with the product teams and my MVP peers throughout the CTP and RC cycles. Accelerated Database Recovery is in Standard Edition.

Servers 40

Servers Hardware Database Availability 40

Percona

JULY 7, 2023

Unfortunately, using certain open source database software as part of an HA architecture can present significant challenges. This blog highlights considerations for keeping your own PostgreSQL databases highly available and healthy. The same changes made in the primary database are made in the replicas.

Availability 98

Availability Open Source Architecture Database 98

Alex Russell

MARCH 6, 2021

India has been the epicentre of smartphone growth in recent years, owing to the sheer size of its market and an accelerating shift away from feature phones which made up the majority of Indian mobile devices until as late as 2019. Hardware Past As Performance Prologue. So what did $150USD fetch in 2019? " package.

Performance 127

Performance Network Mobile Metrics 127

HammerDB

OCTOBER 18, 2019

HammerDB doesn’t publish competitive database benchmarks, instead we always encourage people to be better informed by running their own. rc3-custom #1 SMP Mon Aug 12 14:07:33 UTC 2019 x86_64 x86_64 x86_64 GNU/Linux Welcome to Ubuntu 19.04 (GNU/Linux 5.3.0-rc3-custom hardware limits: 1000 MHz - 4.00 rc3-custom x86_64).

Benchmarking 63

Benchmarking Performance Hardware C++ 63

HammerDB

JUNE 27, 2022

HammerDB is a software application for database benchmarking. It enables the user to measure database performance and make comparative judgements about database hardware and software. Databases are highly sophisticated software, and to design and run a fair benchmark workload is a complex undertaking.

Benchmarking 63

Benchmarking Open Source C++ Cache 63

SQL Performance

JULY 16, 2019

A close monitoring of the hardware enthusiast community, including many of the most respected hardware analysts and reviewers paints an even more dire picture about Intel in the server processor space. This made it easier for database professionals to make the case for a hardware upgrade, and made the typical upgrade more worthwhile.

Servers 46

Servers Hardware Architecture Retail 46

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. As a Xen guest, this profile was gathered using perf(1) and the kernel's software cpu-clock soft interrupts, not the hardware NMI. But I'm not completely sure.

Speed 103

Speed Java AWS Virtualization 103

SQL Performance

MARCH 8, 2021

The following examples use the public Stack Overflow 2013 database ( download details ), with a single index added: CREATE INDEX PP ON dbo. They are run on SQL Server 2019 CU9 , on a laptop with 8 cores, and 16GB of memory allocated to the SQL Server 2019 instance. Compatibility level 150 is used exclusively. TheYear , CA.

Servers 95

Servers Tuning Architecture Performance 95

Smashing Magazine

JANUARY 15, 2019

2019-01-15T13:30:32+01:00. 2019-04-29T18:34:58+00:00. The Green Web Foundation maintains an ever-growing database of web hosts who are either wholly powered by renewable energy or are at least committed to being carbon neutral. How Improving Website Performance Can Help Save The Planet. Jack Lenox.

Website Performance 78

Website Performance Website Energy Performance 78

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

SQL Performance

AUGUST 27, 2019

On August 7, 2019, AMD finally unveiled their new 7nm EPYC 7002 Series of server processors, formerly code-named "Rome" at the AMD EPYC Horizon Event in San Francisco. Single-Socket Database Servers. A one-socket AMD EPYC 7002 Series server can have up to 64 physical cores, 4TB of DDR4-3200 RAM, and 128 PCIe 4.0 I/O lanes.

Servers 52

Servers Benchmarking Virtualization Architecture 52

The Morning Paper

SEPTEMBER 12, 2019

Declarative recursive computation on an RDBMS… or, why you should use a database for distributed machine learing Jankov et al., Machine learning inside a relational database has been done before, most notably in the form of MADlib , which was integrated into Greenplum during my time at Pivotal. VLDB’19.

Network 44

Network Database Programming Hardware 44

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. As a Xen guest, this profile was gathered using perf(1) and the kernel's software cpu-clock soft interrupts, not the hardware NMI.

Speed 52

Speed Java AWS Virtualization 52

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. As a Xen guest, this profile was gathered using perf(1) and the kernel's software cpu-clock soft interrupts, not the hardware NMI. But I'm not completely sure.

Speed 40

Speed Java AWS Virtualization 40

SQL Server According to Bob

DECEMBER 18, 2018

Durability: “In database systems , durability is the ACID property which guarantees transactions that have committed will survive permanently. Microsoft SQL Server Database Engine Input/Output Requirements. Linux may need similar utilities to control various hardware cache installations. The Back Story. Fua = Forced Unit Access.

Servers 90

Servers Media Cache Storage 90

Smashing Magazine

JANUARY 7, 2019

Front-End Performance Checklist 2019 [PDF, Apple Pages, MS Word]. Front-End Performance Checklist 2019 [PDF, Apple Pages, MS Word]. 2019-01-07T12:00:13+00:00. 2019-04-29T18:34:58+00:00. Vitaly Friedman. Web performance is a tricky beast, isn’t it? Image credit: Addy Osmani ) ( Large preview ).

Performance 111

Performance Cache Network Metrics 111

Smashing Magazine

JANUARY 6, 2020

On the other hand, we have hardware constraints on memory and CPU due to JavaScript parsing times (we’ll talk about them in detail later). Geekbench CPU performance benchmarks for the highest selling smartphones globally in 2019. On a middle-class mobile device, that accounts for 15–25 seconds for Time-To-Interactive.

Performance 112

Performance Cache Servers Network 112