What’s new in Cassandra 2.0
What’s new in Cassandra 2.0 via What’s new in Cassandra 2.0.
Apache Cassandra™ 2.0 | DataStax Cassandra 2.0 Documentation
Apache Cassandra™ 2.0 | DataStax Cassandra 2.0 Documentation.
Comparing the Hadoop File System (HDFS) with the Cassandra File System (CFS) : DataStax
The Hadoop Distributed File System (HDFS) is one of many different components and projects contained within the community Hadoop™ ecosystem. The Apache Hadoop project defines HDFS as: “the primary storage system used by Hadoop applications. HDFS creates multiple replicas of data blocks and distributes them on compute nodes throughout a cluster to enable reliable, extremely …
CitusDB: Scalable Analytics Database – FAQ
Citus DB is an analytics database that modifies and extends PostgreSQL for scalability. Users talk to Citus DB’s master node as they do with a regular database; and the master node partitions the data and queries across worker nodes in the cluster. The specifics of the underlying architecture closely resemble those of Hadoop. via CitusDB: …
Scaling Distributed Counters | WhyNosql
Distributed counters is an important functionality many distributed databases offer. For an ad network distributed counters are important for many reasons. Real time ad impressions and click data can be used for ad optimization. HBase and Cassandra both support distributed counters. via Scaling Distributed Counters | WhyNosql.
Aggregation — MongoDB Manual 2.4.9
Aggregations operations process data records and return computed results. Aggregation operations group values from multiple documents together, and can perform a variety of operations on the grouped data to return a single result. MongoDB provides three ways to perform aggregation: the aggregation pipeline, the map-reduce function, and single purpose aggregation methods and commands. via Aggregation …
tonyheupel/node-ravendb
tonyheupel/node-ravendb.
Cassandra, Hive, and Hadoop: How We Picked Our Analytics Stack | MarkedUp – Analytics and Insights for Windows 8
Cassandra, Hive, and Hadoop: How We Picked Our Analytics Stack | MarkedUp – Analytics and Insights for Windows 8.
Slack: Be less busy
Slack: Be less busy.
The state of Hadoop and what’s up with Rackspace? — Tech News and Analysis
Not surprisingly, Cloudera’s chief strategy officer Mike Olson sees Cloudera (!) at the forefront of Hadoop use by real, live enterprise companies. But he has other interesting takes on the state of adoption by smaller companies and why the legacy database players are keeping tabs on the Hadoop players while Cloudera keeps its eye on …