October 20, 2010 8:39 AM
Posted by: Sasirekha R
Enterprise,
open source,
Varnish,
Web AcceleratorVarnish, the Open Source Web Accelerator
Varnish is an open source web accelerator created by Varnish Software (Norway) first released in 2006. Vanish accelerates the website by sitting in front of the web server, caching the content. Unlike...
October 11, 2010 1:54 AM
Posted by: Sasirekha R
Amazon,
Google,
Hadoop,
IBM,
MapReduce,
Microsoft,
NoSQLMapReduce replacing complex SQL queries
Most NoSQL databases - like CouchDB, MongoDB, Hadoop, Redis - support
October 10, 2010 4:54 AM
Posted by: Sasirekha R
cost savings,
IBM,
Lawsuit,
Mainframe,
Neon,
SRB,
zAAP,
zIIP,
zPrimeUnderstanding SRB the possible key of zPrime - more known for Neon vs. IBM Lawsuits
IBM mainframe specialty processors - zAAP and zIIP - cost significantly less compared to the General purpose processors and these "do not count" in software pricing calculations and ISV...
October 8, 2010 11:41 AM
Posted by: Sasirekha R
cache,
Key/Value Pair,
memcached,
NoSQL,
Speeding up webUsing Memcached for speeding up web sites and reducing database load
Memcached is a open source, high-performance, distributed memory object caching system (not a database like MemcacheDB) intended for use in speeding up dynamic web applications by alleviating database load. It...
October 7, 2010 7:33 AM
Posted by: Sasirekha R
GRDDL,
Jena,
OWL,
RDF,
relationship,
Semantic Web,
SPARQL,
W3CJena for building Semantic Web Applications
Jena, a Java RDF API and toolkit is an open source Java framework for building Semantic Web applications. Semantic Web Framework, developed by W3C is...
October 7, 2010 7:31 AM
Posted by: Sasirekha R
GRDDL,
OWL,
RDF,
Semantic Web,
SPARQL,
W3CW3C Semantic Web Framework
The Semantic web - collaborative effort led by W3C - provides a common framework that allows data to be shared and reused across application, enterprise, and community boundaries. It is also about language for...
October 4, 2010 5:41 AM
Posted by: Sasirekha R
Key/Value Pair,
KVP,
memcached,
NoSQL,
RDBMS,
Redis,
setKey-value Pair (KVP) - the backbone of NoSQL
Most NOSQL databases- BigTable, Hadoop, CouchDB, SimpleDB, memcached, Redis - use key-value pair (KVP) concept. A key-value pair (KVP) is a set of two linked data items:
1. a key (say account number or...
October 4, 2010 5:05 AM
Posted by: Sasirekha R
Consistency,
distributed data storage,
Eventual Consistency,
fault tolerant,
integrity,
NoSQL,
Replication,
ScalabilityData Replication - the key to distributed applications
Data Replication, copying of data in databases to multiple locations, is an essential tool to support distributed applications (where the applications are closer to the line of business)....
October 4, 2010 4:57 AM
Posted by: Sasirekha R
BASE,
CAP Theorem,
Eventual Consistency,
High Availability,
NoSQL,
Read-your-writes,
ScalabilityEventual consistency gives scalability and availability
Success of high-volume web sites such as Google, Amazon, Twitter and Facebook in using NoSQL to achieve massive parallelism, unlimited scalability and high availability has...