System News
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Articles for the keywords: replication
22 Aug 2017 The MySQL High Availability Landscape in 2017 (The Adults) [65859]
By Yves Trudeau

Yves blogs, "In the previous post of this series, we looked at the MySQL high availability (HA) solutions that have been around for a long time. I called these solutions 'the elders.' Some of these solutions (like replication) are heavily used today and have been improved from release to release of MySQL.

This post focuses on the MySQL high availability solutions that have appeared over the last five years and gained a fair amount of traction in the community. I chose to include this group only two solutions: Galera and RDS Aurora. I'll use the term 'Galera' generically: it covers Galera Cluster, MariaDB Cluster and Percona XtraDB Cluster. I debated for some time whether or not to include Aurora. I don't like the fact that they use closed source code. Given the tight integration with the AWS environment, what is the commercial risk of opening the source code? That question evades me, but I am not on the business side of technology..."
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20 Aug 2017 Cloud Meets Software-Defined Storage [65735]
Webinar Wednesday, August 23rd at 10:00AM PDT

ZeroStack has teamed up with Nexenta to create a fully integrated private cloud that dramatically reduces operations and storage costs for enterprise and cloud workloads. With ZeroStack's Intelligent Cloud Platform and Nexenta's NexentaStor data integrity and scale, enterprises get a pre-tested, integrated, and fully-supported private cloud solution.

Learn how to:

  • Reduce your footprint as both ZeroStack and Nexenta can run on converged infrastructure
  • Leverage a single pane of glass to manage snapshots, clones and restores
  • Enable multi-site remote replication
  • Migrate applications and data from VMware or AWS with built-in automated migration capability

Speakers:

  • Kamesh Pemmaraju, VP of Product Management, ZeroStack
  • Michael Letschin, Field CTO, Nexenta

Register
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15 Aug 2017 What's New With MySQL Replication in MySQL 8.0 [65702]
By: Krzysztof Ksiazek

Krzysztof blogs, "Replication in MySQL has been around for a long time, and has been steadily improving over the years. It has been more like evolution rather than revolution. This is perfectly understandable, as replication is an important feature that many depend on - it has to work.

In the last MySQL versions, we've seen improvements in replication performance through support for applying transactions in parallel. In MySQL 5.6, parallelization was done on schema level - all transactions which have been executed in separate schemas could be executed at once. This was a nice improvement for those workloads that had multiple schemas on a single server, and the load was distributed more or less evenly across the schemas..."
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16 Jul 2017 Palm Beach Data Meetup [64936]
Thursday, July 20th, 2017: 6:00 PM to ...

Palm Beach Tech Space - West Palm Beach

Apache Ignite is much more than a caching platform. It is also a distributed compute engine and it features integration with many hot technologies (like Spark, Kafka, Cassandra, HDFS). It also provides cool things such as distributed fully standard SQL queries over its (distributed) cache, various modes of cache replication, read-through and write-through of its cache contents from/to any relational or NoSQL database backend, data streaming, ACID compliance and advanced clustering, to name a few. In this presentation we will go over the basics of Apache Ignite but will also touch upon some more advanced use cases. We will discuss where Ignite fits within a "big data" infrastructure and how it compares to other technologies that are out there. Finally, we will try and provide a small, but hopefully illustrative live demo.

Audrey Hammonds, Johann Beukes, Joseph Russo, Stephanie Buzano
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18 Jun 2017 Calculating Hyperconvergence Costs [64230]
NetworkComputing, June 7th 2017

"Hyperconverged infrastructure is a hot area of IT right now," notes Jim O'Reilly in NetworkComputing. "The realization that next-generation storage appliances look a lot like servers triggered a movement to make server storage sharable, bringing together the benefits of local storage in the server with the ability to share that storage across the whole cluster of nodes.

The key is a software package that presents all of the storage in the cluster as a single pool, with automated addition or subtraction of drives. This pool of storage, sometimes described as a virtual SAN, can be divided up and presented as smaller drive volumes, subject to access controls and sharing rules. The virtual SAN software handles issues such as replication and erasure coding groups and also deals with drive errors and data recovery questions..."
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