Remove 2019 Remove Database Remove Speed Remove Virtualization
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The Speed of Time

Brendan Gregg

A Cassandra database cluster had switched to Ubuntu and noticed write latency increased by over 30%. CLI tools The Cassandra systems were EC2 virtual machine (Xen) instances. top(1) showed that only the Cassandra database was consuming CPU. Measuring the speed of time Is there already a microbenchmark for os::javaTimeMillis()?

Speed 126
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An Overview of Indexes in MySQL 8.0: MySQL CREATE INDEX, Functional Indexes, and More

Percona

One very common problem when trying to optimize a database environment is index usage. Introduction to MySQL Indexes Indexes in MySQL are database structures used to optimize data retrieval speed and efficiency. They are a roadmap that speeds up the process of finding specific rows in a large table. What is an Index?

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ScaleGrid Fully Managed Hosting for Redis™ Now Available on Azure

Scalegrid

October 2, 2019 – ScaleGrid, a rapidly growing leader in the Database-as-a-Service (DBaaS) space, has just launched their new fully managed Hosting on Azure for Redis™ service. The demand for Redis™ is skyrocketing across dozens of use cases, particularly for cache, queues, geospatial data, and high speed transactions.

Azure 100
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The Speed of Time

Brendan Gregg

A Cassandra database cluster had switched to Ubuntu and noticed write latency increased by over 30%. CLI tools The Cassandra systems were EC2 virtual machine (Xen) instances. top(1) showed that only the Cassandra database was consuming CPU. Measuring the speed of time Is there already a microbenchmark for os::javaTimeMillis()?

Speed 52
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Updated Azure SQL Database Tier Options

SQL Performance

Azure SQL Database is Microsoft's database-as-a-service offering that provides a tremendous amount of flexibility. Microsoft is continually working on improving their products and Azure SQL Database is no different. HyperScale Database. Hyperscale databases are provisioned using vCores. DTU Pricing Tier.

Azure 55
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AMD EPYC Processors in Azure Virtual Machines

SQL Performance

Back on December 5, 2017, Microsoft announced that they were using AMD EPYC 7551 processors in their storage-optimized Lv2-Series virtual machines. This processor has a base clock speed of 2.0GHz, with an all-core boost speed of 2.55GHz, and a max boost clock speed of 3.0GHz. The L3 cache size is 64MB. Azure Lsv2 Details.

Azure 42
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The Speed of Time

Brendan Gregg

A Cassandra database cluster had switched to Ubuntu and noticed write latency increased by over 30%. CLI tools The Cassandra systems were EC2 virtual machine (Xen) instances. top(1) showed that only the Cassandra database was consuming CPU. Measuring the speed of time Is there already a microbenchmark for os::javaTimeMillis()?

Speed 40