Performance

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Just in Time Compiler (JIT) in Hotspot

What is JIT Compiler? The Just In Time Compiler (JIT) concept and more generally adaptive optimization is well known concept in many languages besides...

3 replies - 11074 views - 10/29/11 by Artiom Gourevitch in Articles

Garbage Collection Bootcamp 1.0

Table Of Contents What is Garbage CollectionTuning Garbage CollectionThe Garbage CollectorsChoosing a Collector What is Garbage...

1 replies - 10569 views - 10/01/11 by Mark Miller in News

Terracotta Acquired by Software AG… What Will Happen to Ehcache and Quartz?

This morning, the software company Terracotta announced their acquisition by Software AG, one of the world's largest software vendors. Terracotta is the...

0 replies - 5887 views - 05/23/11 by Ross Jernigan in News

265% indexing speedup with Lucene's concurrent flushing

A week ago, I described the nightly benchmarks we use to catch any unexpected slowdowns in Lucene's performance. Back then the graphs were rather boring...

0 replies - 8083 views - 05/10/11 by Michael Mccandless in News

Fast Lucene Search Filters Using Flexible Indexing

A filter in Lucene is a bit set that restricts the search space for any query; you pass it into IndexSearcher's search method. It's effective for a number...

0 replies - 10628 views - 05/07/11 by Michael Mccandless in News

Solr Index Size Analysis

In this post I’m going to talk about a set of benchmarks that I’ve done with Solr. The goal behind it is to see how each parameter defined in the...

1 replies - 19501 views - 04/23/11 by Juan Grande in News

Lucene performance with the PForDelta codec

Today, to encode the postings (docs, freqs, positions) in the index, Lucene uses a variable byte format where each integer is individually encoded as 1-5...

0 replies - 14802 views - 04/22/11 by Michael Mccandless in News

A Plugin to Monitor Solr Multicore Servers

Need some tools to help you monitor the usage of your Apache Solr server?  Do you also need it to support multi-core configurations?  Then check out this...

0 replies - 12345 views - 04/14/11 by Mitch Pronschinske in News

Solr + Hadoop = Big Data Love

Bixo Labs shows how to use Solr as a NoSQL solution for big dataMany people use the Hadoop open source project to process large data sets because it’s a...

3 replies - 67967 views - 04/04/11 by Ken Krugler in Articles

Daily Dose - Rymer's "Future of Java"

John Rymer of Forrester Research blogged today about his research and predictions for the future of Java SE and the Java ecosystem.  "Java's future in...

7 replies - 18602 views - 01/25/11 by Mitch Pronschinske in Daily Dose

Terracotta Says 'Goodbye Java GC, Hello BigMemory'

Last month, Terracotta told DZone that they were working on a module for Ehcache and Hibernate users that would bypass the Java garbage collection...

20 replies - 32310 views - 09/14/10 by Mitch Pronschinske in Articles

Terracotta's Perspective on the Java GC Problem

Caching is at the core for data management in applications, says Amit Pandey, CEO of Terracotta.  Too much time is spent tuning the size of the heap to keep...

10 replies - 10698 views - 08/26/10 by Mitch Pronschinske in Articles

A Lightweight Alternative to ApacheMQ or RabbitMQ: OCamlMQ

ocamlmq is a messaging system written in OCaml (as you might have guessed) but it can be used with virtually any language (a STOMP protocol) implementation...

0 replies - 13170 views - 08/17/10 by Mitch Pronschinske in Articles

ESB Performance Pitfalls

An Enterprise Service Bus (ESB) is at the heart of many Service Oriented Architecture (SOA) solutions, a technology that is being widely adopted...

2 replies - 12285 views - 08/05/10 by Martin Vecera in Articles

Daily Dose - Apache Elects New Board

At today's annual ASF members meeting, the attendees voted for the next board of directors.  Returning board members include Doug Cutting, Roy T. Fielding,...

2 replies - 13010 views - 07/19/10 by Mitch Pronschinske in Daily Dose