Enterprise IT Consultant Views on Technologies and Trends:

October, 2010


October 27, 2010  7:28 AM

DB2 version 10 provides row versioning and time travelling

Posted by: Sasirekha R
DB2, IBM, row versioning, temporal, time, zOS

DB2 version 10 provides row versioning and time travelling DB2 version 10 for z/OS, recently released, provides features for row versioning and time travel querying. With audit and compliance requirements demanding that the multiple versions...

October 20, 2010  8:39 AM

Varnish, the Open Source Web Accelerator

Posted by: Sasirekha R
Enterprise, open source, Varnish, Web Accelerator

Varnish, 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

MapReduce replacing complex SQL queries

Posted by: Sasirekha R
Amazon, Google, Hadoop, IBM, MapReduce, Microsoft, NoSQL

MapReduce replacing complex SQL queries Most NoSQL databases - like CouchDB, MongoDB, Hadoop, Redis - support

October 10, 2010  4:54 AM

Understanding SRB, the possible key of zPrime (Neon vs. IBM Lawsuits)

Posted by: Sasirekha R
cost savings, IBM, Lawsuit, Mainframe, Neon, SRB, zAAP, zIIP, zPrime

Understanding 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

Using Memcached for speeding up websites and reducing database load

Posted by: Sasirekha R
cache, Key/Value Pair, memcached, NoSQL, Speeding up web

Using 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

Jena – Framework for building Semantic Web Applications

Posted by: Sasirekha R
GRDDL, Jena, OWL, RDF, relationship, Semantic Web, SPARQL, W3C

Jena 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

W3C Semantic Web Framework

Posted by: Sasirekha R
GRDDL, OWL, RDF, Semantic Web, SPARQL, W3C

W3C 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

Key-value Pair (KVP) – the backbone of NoSQL

Posted by: Sasirekha R
Key/Value Pair, KVP, memcached, NoSQL, RDBMS, Redis, set

Key-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

New Approaches to Data Replication – the key to distributed applications

Posted by: Sasirekha R
Consistency, distributed data storage, Eventual Consistency, fault tolerant, integrity, NoSQL, Replication, Scalability

Data 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

Eventual Consistency gives scalability and availability

Posted by: Sasirekha R
BASE, CAP Theorem, Eventual Consistency, High Availability, NoSQL, Read-your-writes, Scalability

Eventual 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...


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