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7 Tips for Improving MapReduce Performance » Cloudera Hadoop & Big Data Blog

otis — Sat, 19 Dec 2009 11:52:00 -0500

Tagged by otis under hadoop, MapReduce, cloudera, reference, debug,

benchmark:ssb:start [Percona DokuWiki]

otis — Fri, 18 Dec 2009 01:18:00 -0500

Tagged by otis under percona, benchmark, data warehouse, olap, Business Intelligence, database, performance,

InfiniDB, the open source high performance, column oriented database

otis — Fri, 18 Dec 2009 12:03:00 -0500

InfiniDB Community Edition provides a scale-up analytics database engine for your data warehousing, business intelligence and read-intensive application needs. Enabled via MySQLTM and purpose-built for an analytical workload with column-oriented technology at its core, the multi-threaded capabilities of InfiniDB Community Edition fully encompass query, transactional support and bulk load operations. Tagged by otis under olap, data warehouse, database, software,

bigdata (R)

otis — Tue, 15 Dec 2009 11:21:00 -0500

Bigdata(R) is an open-source scale-out storage and computing fabric supporting optional transactions, very high concurrency, and very high aggregate IO rates. Bigdata was designed from the ground up as a distributed database architecture optimized for very high aggregate IO rates running over clusters of 100s to 1000s of machines, but can also run in a single-server mode. Bigdata offers a distributed file system, similar to the Google File System but also useful for workflow queues, a data extensible sparse row store, similar to Googles widely recognized bigtable project, and map/reduce processing for parallelizing data intensive workflows over a cluster. Bigdata(R) comes packaged with a very high-performance RDF store supporting RDF(S) and OWL Lite inference. The Bigdata RDF Store is currently the only RDF database capable of operating distributed on a cluster with dynamic key-range partitioning of indices. The Bigdata RDF Store was designed specifically to meet requirements for very large scale semantic alignment and federation. RDF is a Semantic Web technology particularly well-suited to modeling graph-shaped data and metadata, such as an associative entity-link model, whereby actors are linked to one another in an ad-hoc fashion within the context of an evolving ontology of concepts for entity types and link types related to a particular problem domain. The Bigdata RDF Store is used operationally in data harvesting systems to create mash-ups of structured, semi-structured, and unstructured data from myriad sources in a schema-flexible manner. Tagged by otis under rdf, storage, database, graph, node, distributed filesystem, semantic web,

MonetDB: Query Processing at Light-Speed

otis — Fri, 11 Dec 2009 04:04:00 -0500

MonetDB is a open-source database system for high-performance applications in data mining, OLAP, GIS, XML Query, text and multimedia retrieval. Tagged by otis under xquery, olap, data warehouse, database, data mining, xml, Business Intelligence, analytics,

Perf4J 0.9.10 - Home

otis — Fri, 27 Nov 2009 11:05:00 -0500

Tagged by otis under performance, java, logging, statistics, chart, software, library,

Constant Field Values (Oracle - Berkeley DB Java Edition API)

otis — Fri, 20 Nov 2009 11:23:00 -0500

List and Javadoc of all JE-BDB properties Tagged by otis under bdb, properties, configure, java, database, performance, tuning, software, javadoc,

Multi-lingual Noun Phrase Extractor (MuNPEx) | semanticsoftware.info

otis — Wed, 18 Nov 2009 05:30:00 -0500

MuNPEx is a multi-lingual noun phrase (NP) extraction component developed for the GATE architecture, implemented in JAPE. It currently supports English, German, French, and Spanish (in beta). MuNPEx requires a part-of-speech (POS) tagger to work and can additionally use detected named entities (NEs) to improve chunking performance. Please read the documentation (or source code) for more details. Tagged by otis under NLP, information retrieval, key phrases, information extraction, computational linguistics, software, gate,

Let's make the web faster - Google Code

otis — Wed, 24 Jun 2009 11:17:00 -0400

Tagged by otis under web, development, performance, speed, tuning, debug,

Performance comparison: key/value stores for language model counts - Brendan O'Connor's Blog

otis — Wed, 03 Jun 2009 02:00:00 -0400

Tagged by otis under hash table, keys, database, performance, report, compare,

Main Page - OVISWiki

otis — Mon, 01 Jun 2009 09:36:00 -0400

The OVIS project addresses scalable, real-time statistical analysis of very large data sets. We feature the OVIS tool for Intelligent, Scalable, Real-time Monitoring of Large Computational Clusters. Tagged by otis under cluster, dataset, statistics, performance, status, monitor, distributed computing,

Tokyo Tyrant: network interface of Tokyo Cabinet

otis — Tue, 26 May 2009 12:37:00 -0400

Tokyo Tyrant is a package of network interface to the DBM called Tokyo Cabinet. Though the DBM has high performance, you might bother in case that multiple processes share the same database, or remote processes access the database. Thus, Tokyo Tyrant is provided for concurrent and remote connections to Tokyo Cabinet. It is composed of the server process managing a database and its access library for client applications. Tagged by otis under keys, values, database, hash table, server, api,

OProfile - A System Profiler for Linux (News)

otis — Thu, 30 Apr 2009 01:21:00 -0400

Tagged by otis under unix, linux, profile, module, performance,

Heap settings and reading verbose GC output

otis — Thu, 30 Apr 2009 11:19:00 -0400

Good summary of how to analyze and size young and tenured heap generations Tagged by otis under java, jvm, garbage collection, performance, memory, heap,

Using Apache JMeter in non-GUI mode

otis — Thu, 30 Apr 2009 11:08:00 -0400

Tagged by otis under jmeter, profile, debug, performance, webapp,

Solr for WordPress in Launchpad

otis — Wed, 22 Apr 2009 10:02:00 -0400

A WordPress plugin that interacts with an instance of the Solr search engine. This plugin allows you to index pages and posts, perform advanced queries and enable faceting on fields such as tags, categories, and author. Adds special template tags so you can create your own custom result pages to match your theme. Configuration options allow you to select pages to ignore, features to enable/disable, and what type of result information you want output. Tagged by otis under solr, wordpress, blog, search, plugin,

O+P Insights: Improving Linux performance by preserving Buffer Cache State

otis — Thu, 16 Apr 2009 04:44:00 -0400

Tagged by otis under rsync, linux, patch, cache,

google-diff-match-patch - Google Code

otis — Sun, 05 Apr 2009 12:23:00 -0400

Diff Match and Patch libraries offer robust algorithms to perform the operations required for synchronizing plain text. Tagged by otis under text, diff, patch, matching, sync,

Jackson JSON Processor - Home

otis — Thu, 05 Mar 2009 01:50:00 -0500

Fast, streaming JSON reader and writer Tagged by otis under json, parse, performance, fast, stream,

LucidDB Home Page

otis — Mon, 02 Mar 2009 11:12:00 -0500

Open-source RDBMS purpose-built entirely for data warehousing and business intelligence. It is based on architectural cornerstones such as column-store, bitmap indexing, hash join/aggregation, and page-level multiversioning. Every component of LucidDB was designed with the requirements of flexible, high-performance data integration and sophisticated query processing in mind. Tagged by otis under database, rdbms, scalability, performance, data mining, analytics, sql, software,