Another AWS outage hit several large websites and their services last week. What can be done to avoid downtime? Architect for failover not just for scale.
Hybrid SQL-NoSQL database solutions combine the advantage of being compatible with many SQL applications and providing the scalability of NoSQL ones. Xeround offers such a solution as a service in the cloud, including a free edition. Other solutions: Database.com with ODBC/JDBC drivers, NuoDB, Clustrix, and VoltDB.
VMware releases SQLFire 1.0 a distributed SQL database geared towards high availability and horizontal scalability which offers table replication, table partitioning and parallel execution of queries.
JBoss Releases Hibernate 4.0 which comes with Multi-tenancy support, the introduction of a standard mechanism for writing Hibernate extensions, initial refactorings towards OSGI and several other cleanups.
Who ever has wondered what kind of software is used by Santa Claus & Co, got a hint recently in youtube. This might irritate some software engineers who have assumed, Santa Claus would only use Open Source Software.
Windows Azure team announced major updates including support for Node.js, better scalability for SQL Azure through Federation and higher individual DB Size limits (upto 150 GB), a limited preview for Hadoop and more.
The MagLev project has released version 1.0 of their Ruby VM. The Ruby implementation is based on the GemStone/S Smalltalk VM which comes with GemStone's distributed cache, ACID transactions, and persistence system (OODB). InfoQ caught up with Monty Williams of the MagLev project to talk about where MagLev fits on the NoSQL spectrum, and much more.
Cihan Biyikoglu introduced an upcoming feature for scalability in SQL Azure databases called Federations at Tech Ed 2011. Federations are objects inside the database which allow the data in their contained tables to be distributed across additional databases called federation members. Data can be re-distributed across Federation members at run-time.
Akka 1.1 was released with many improvements in performance, Futures and more. The basic Akka also has no dependencies except for Scala 2.9. InfoQ caught up with Jonas Bonér to talk about the current state and the future of Akka.
Ricky Ho revisited his three year old post on that question and realized that a lot had changed since then.
Max Indelicato, a Software Development Director and former Chief Software Architect, has written a post on how to design a web application for scalability. He suggests choosing the right deploying and storage solution, a scalable data storage and schema, and using abstraction layers.
The Hadoop Summit of 2010 included presentations from a number of large scale users of Hadoop and related technologies. Notably, Facebook presented a keynote and details information about their use of Hive for analytics. Mike Schroepfer, Facebook's VP of Engineering delivered a keynote describing the scale of their data processing with Hadoop.
Steve Huffman, co-founder of Reddit, shares the main lessons he learned scaling Reddit from a small web application to a large social website.
Terracotta and Eucalyptus Integration Provides Data Management and Elastic Provisioning in the Cloud
Terracotta recently announced a partnership with open source private cloud platform vendor Eucalyptus that allows the companies to provision private clouds on Amazon AWS-compatible Eucalyptus cloud platform and take advantage of the elasticity and flexibility of the cloud.
Tom Killalea, Vice President of technology with responsibility for infrastructure and distributed systems engineering at Amazon.com wrote an article on ACM queue on building scalable web services. He outlines guiding principles to building scalable web services with a lot of real-world examples, the core theme of which is “build only what you need”.
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