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. There's no Java stack—there should be a tower of green Java methods—instead there's only a single green frame or two.

Speed 126

Speed Java AWS Virtualization 126

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 62

Benchmarking Open Source C++ Cache 62

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. There's no Java stack—there should be a tower of green Java methods—instead there's only a single green frame or two.

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. There's no Java stack—there should be a tower of green Java methods—instead there's only a single green frame or two.

Speed 40

Speed Java AWS Virtualization 40

Testsigma

FEBRUARY 3, 2021

Mobiles have different models, screen resolutions, operating systems, network types, hardware configurations, etc. Also, how to test the hardware of the mobile phone itself, is it supporting all the software as it should? Let us have a look at the most popular types of mobile testing for applications and hardware.

Mobile 82

Mobile Testing Hardware C++ 82

The Morning Paper

JULY 18, 2019

For example, a Google Bigtable database usually contains one Bloom Filter per SSTable file. In the case of a large database we think this is warranted, a database with 100K separate set membership data structures will bene?t

Network 86

Network Java Database Hardware 86

All Things Distributed

MAY 8, 2012

s announcement of Amazon RDS for Microsoft SQL Server and.NET support for AWS Elastic Beanstalk marks another important step in our commitment to increase the flexibility for AWS customers to use the choice of operating system, programming language, development tools and database software that meet their application requirements.

Cloud 115

Cloud Development AWS Servers 115

Alex Russell

JUNE 20, 2020

built-in relational SQL database engines. Java arrived with a focus on structured programming (including threads), GUI controls , networking, device access, and graphics. 4] As with other meta-platforms of the time, early web browser plug-ins provided avenues for Java runtime and content distribution. [5] floppy/CD/DVD).

Hardware 55

Hardware Games Java Media 55

ScaleOut Software

JULY 27, 2018

Application developers often deploy IMDGs as a distributed cache that sits between an application and its database; the IMDG offloads ephemeral data from the database. Offloading the database boosts performance, reduces bottlenecks, and lowers costs. That’s where performance problems can begin.

Scalability 40

Scalability Cache Airlines Healthcare 40

ScaleOut Software

JULY 27, 2018

Application developers often deploy IMDGs as a distributed cache that sits between an application and its database; the IMDG offloads ephemeral data from the database. Offloading the database boosts performance, reduces bottlenecks, and lowers costs. That’s where performance problems can begin.

Scalability 40

Scalability Cache Airlines Healthcare 40

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

All Things Distributed

JULY 14, 2015

I am excited to share with you that today we are expanding DynamoDB with streams, cross-region replication, and database triggers. In traditional database architectures, database engines often run a small search engine or data warehouse engines on the same hardware as the database. DynamoDB Triggers.

Database 167

Database Lambda AWS IoT 167

Highly Scalable

APRIL 2, 2012

From the technical perspective, the following properties should be highlighted: All data is initially stored in the relational database, but this database is heavily loaded because it is a master record for many applications. The system is implemented in Java. System Properties and Major Technical Requirements.

Ecommerce 100

Ecommerce Cache Storage Architecture 100

High Scalability

NOVEMBER 25, 2019

Languages: Java. Java used to power core file system code. Chokepoint : Even sharded Berkeley DB was choking under the stress and there was a database crash with recovery taking hours, it had to be replaced. Automate schema management for some remaining databases. Java/Python mostly and some small services in Go/C.

Architecture 52

Architecture Cache Azure Storage 52