The term property graph has come to denote an attributed, multi-relational graph. That is, a graph where the edges are labeled and both vertices and edges can have any number of key/value properties associated with them.
This article contains some great advice on how to benchmark your indexes' memory usage, but if you want to skip all the setup info, drop to the section “Measurement Results” and find out why Solr 4.x uses 1/3 the memory used by Solr 3.x.
Following is a categorized list of tools that Ranjib Dey has learned/used as a sysadmin and DevOps dude at ThoughtWorks while maintaining their distributed infrastructure, setting up private cloud installations, and in many different client gigs.
One of the common antipatterns in cooking is the person who gets flustered easily and hence slows down the whole meal. The result is often all dishes are cold and lifeless by the time it's all served. Do metaphors give us anything?
The DevOps google group recently discussed the perception of DevOps followers as folks who are users, developers, and fans of chef, puppet, and similar tools. Most people on the group agreed that this perception cannot become reality for DevOps to succeed as a movement.
Faceted search offers tremendous potential for transforming the search experience, but how do we extend such a framework to accommodate not just dozens of facet values, but thousands, or even tens of thousands? Learn how...
We all know Hadoop's counting words example which takes a file with words and then produces another file with the number of occurrences next to each word. Hadoop does this example very well; however, the main caveat with Hadoop's example is that it is not real time.
In our last post we looked at some of the fundamental issues in designing faceted search such as layout (e.g. where to place the faceted navigation menus) and state (e.g. whether they should be open or closed by default). In this post, we continue the mini-series with a review of the various formats for displaying facets and the key principles for choosing between them.