Hadoop Summit Day Two report covers the important trends and changes from last year's summit. It also covers the important announcements of the day in relation to this year's trending topics. This report shares an analysis of the Hadoop market by leading analysts, competing benchmarks by vendors and platform specific innovations and announcements.
In what is probably a surprise to many developers, MySQL currently stores its critical system tables in MyISAM instead of InnoDB. Since MyISAM isn’t ACID compliant, there is a chance for data loss or corruption when modifying system objects such as privilege. Morgan Tocker has announced that the MySQL team intends to address this in the near future.
DataBricks, the company behind Apache Spark, has announced a new addition into the Spark ecosystem called Spark SQL. Spark SQL is separate from Shark, and does not use Hive under the hood. InfoQ reached out to Reynold Xin and Michael Armbrust, software engineers at DataBricks, to learn more about Spark SQL.
Facebook, Google, LinkedIn, and Twitter have decided to make sure that a relational databases is “web-scale”, so they have put their efforts behind WebScaleSQL, a branch of MySQL 5.6 Community Edition.
SQL Server has been released to manufacturing with general availability set for April 1st. Through this week we’ll be covering various aspects of the new release starting with data warehousing.
Espresso Logic has added RESTful endpoints for SQL stored procedures to their DBaaS service.
Google have announced general availability of their Cloud SQL service. At launch the service comes with automatic encryption of customer data, a 99.95% uptime SLA and support for databases up to 500GB in size.
Indexes in SQL Server’s In-Memory OLTP don’t work exactly like normal indexes. This isn’t necessarily a bad thing, but the differences need to be kept in mind to avoid performance problems.
Presto, a technology from Facebook enabling interactive SQL queries on petabytes of data, has now taken a first step into mainstream adoption. Big Data startup Qubole has launched its Presto-as-a-Service alpha with integration to Amazon Web Services.
OpenAccess ORM Q3 2013 SP1 Adds VS 2013 Support, Discontinued Classic Wizards, Oracle 9i and MySQL 5
The recently released OpenAccess ORM Q3 2013 SP1 by Telerik has introduced support for Visual Studio 2013 in addition to extended support for Visual Studio 2008. Moreover, support for classic wizards, Oracle 9i and MySQL 5.0 will be discontinued beginning with the next release of OpenAccess ORM.
With Facebook recently releasing Presto as open source, the already crowded SQL-in-Hadoop market just became a tad more intricate. A number of open source tools are competing for the attention of developers: Hortonworks Stinger initiative around Hive, Apache Drill, Apache Tajo, Cloudera’s Impala, Salesforce’s Phoenix (for HBase) and now Facebook’s Presto.
Opserver is an open source monitoring solution, released by StackExchange, of StackOverflow's fame. Opserver provides a quick overall view of each monitored system's health, while allowing the user to deep dive using a drill-down approach. InfoQ talked with Nick Crave, one of Opserver’s creators, for additional insight.
New version of Cascading released this week incorporates Hadoop 2 support and includes Cascading Lingual - an open source project that provides a comprehensive ANSI SQL interface for accessing Hadoop-based data
Facebook has open-sourced Presto, their distributed SQL query engine. Presto uses a pipelined architecture rather than the Map/Reduce design found elsewhere. In production since early this year, Facebook has since “deployed in multiple geographical regions and [they] have successfully scaled a single cluster to 1,000 nodes”.