OSCON Videos

I have enjoyed watching videos from the Open Source Convention. I like the visionary videos, and to learn from some very interesting people who prepared these nice speeches. The videos have something good: they take 10 – 15 minutes, no more… well there are some exceptions. The Making of a Cloud Native Application Platform – … Read more

Zurmo non-sent e-mails

When I do massive use of a campaign, I have sometimes the problem that some e-mails are not sent. There is not user report that enables you to get them, so I have gone through phpMyAdmin to find and analyze them. The table used are: 1.- e-mail messages not sent: SELECT * FROM `emailmessage` WHERE … Read more

zurmo campaigns

We did last couple of weeks different e-mail campaigns with Zurmo and this is working very well in terms of feed backs we are receiving. The answers of the people let us classify their interest, and it helps us to improve the future communications. I miss integration with other applications, I hope this is coming … Read more

Zurmo, campaigns execution: typical problems

When working with massive Zurmo campaigns of marketing, I have learned some tips I want to remind. Rows and columns report This article summarizes so much well what to do. Important the point that says: It is important that the report that you create has to be “rows and columns report”. Sequence Once the template, … Read more

Hadoop components

Hadoop platform is composed by different components and tools. Hadoop HDFS: A distributed file system that partitions large files across multiple machines for high throughput access to data. Hadoop YARN; A framework for job scheduling and cluster resource management. Hadoop map reduce; A programming framework for distributed batch processing of large data sets distributed across … Read more

Advanced Message Queuing Protocol

I have discovered that finally there is an organization that is recognized as standard for protocol: AMQP. They offer examples of products that implement their protocol. A couple of interesting solutions aligned with this protocol are:   Rabit MQ: they have documentation and useful examples. http://www.rabbitmq.com/getstarted.html QPID, Apache: http://qpid.apache.org/ Red Hat Enterprise MRG: http://www.redhat.com/products/mrg/ I … Read more

Open source Vs Proprietary software

I read some while ago this article about the use of “Open as a weapon“. This article and its thoughts came to my mind during these last couple of weeks when there have been a couple of security issues happening more or less at the same time. I’m referring to Open SSL heart bleed vulnerability. … Read more

Apache Hadoop

Apache Hadoop is an open-source software framework for storage and large scale processing of data-sets on clusters of commodity hardware. All the modules in Hadoop are designed with a fundamental assumption that hardware failures (of individual machines, or racks of machines) are common and thus should be automatically handled in software by the framework. They … Read more