Twitter's Answers is an analytics service for mobile apps that has come to see five billion sessions per day. Ed Solovey, software engineer at Twitter, has described how their system works to provide "reliable, real-time, and actionable" data based on hundreds of millions of mobile devices sending millions of events every second.
Some time ago, when MongoDB 2.6 was released Kelly Stirman, Director of Products at MongoDB answered our questions regarding the latest release. Now with MongoDB 3.0 announced for March and MongoDB 3.0 RC-8 already available, it’s time to see in more detail what WiredTiger storage engine, new and improved MMS and storage compression can bring to NoSQL users.
RethinkDB is an open-source distributed database built to store JSON and scale with very little effort. Self compared with MongoDB, RethinkDB is aiming to be developer friendly all the while maintaining an operations oriented approach of being highly available and high scale..a way to subscribe to change notifications from the database. A client can subscribe to changes in a table and get notified
Azure DocumentDB, Microsoft’s NoSQL cloud database service is available in newer regions within Asia and US. The account limits are enhanced to support increased capacity units and document size.
Amazon DynamoDB, the NoSQL database service of AWS now supports online indexing. Along with this, customers can now buy reserved capacity for long term usage.
Five years ago many NoSQL databases were pre version 1.0 and when, it came to the CAP tradeoff, choosing availability over consistency was in vogue. Fast forward to today and distributed, fault tolerant transactions are moving into the fore as a new round of NoSQL databases seek to redefine our NoSQL expectations.
Network performance, virtualization and testing are some of the considerations to address performance and scalability issues with NoSQL databases. Alex Bordei wrote about scaling NoSQL databases and tips for increasing performance when using these data stores.
The latest version of big data analytics tools Splunk Enterprise and Hunk support instant pivot, enhanced event pattern detection, and prebuilt dashboard panels. Splunk Inc., provider of the software platform for operational intelligence, recently announced the general availability (GA) of version 6.2 of Splunk Enterprise and Hunk: Splunk Analytics for Hadoop and NoSQL Data Stores.
ThoughtWorks has published a digital preview of the January 2015 radar, providing opinion on techniques, tools, platforms and languages and taking a snapshot of the current trends in software technology.
Splice Machine version 1.0 supports analytic window functions and integration with Hadoop ecosystem. Splice Machine team recently released their Hadoop based RDBMS data management solution that can be used for transactional workloads on Hadoop.
MapR Technologies, provider of the Apache Hadoop distribution, has open sourced their MapR-DB NoSQL database for unlimited production use. MapR-DB is a Wide Column NoSQL database with native integration to Hadoop and support for strong consistency and ACID transactions.
Databricks has recently announced a new record in the Daytona GraySort contest using the Spark processing engine. The Daytona GraySort contest is a 3rd party benchmark measuring how fast a system can sort 100 Terabytes of data. Databricks posted a throughput of 4.27 TB/min over a cluster of 206 machines for their official run.
In their move to event driven architecture, Amazon introduced two enabling technologies allowing the conversion of DynamoDB and S3 written data into events, which can be consumed by other applications and used by Lambda architecture.
The RICON conference in Las Vegas last week brought together scholarship from industry and academia in a venue targeted at sharing the latest innovations in tools, technologies and concepts in the field of Distributed Systems. In hosting the conference Basho Technologies positions themselves as thought leaders in a challenging field.
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