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Tag Archives: News

Apache Cassandra steaming through 2.1 Release


Apache Cassandra is a high performance database system used in an ever growing number of enterprise companies to whom scalability is of major importance. For instance, Netflix, ebay, Reddit and many more companies are adopting Cassandra to their systems, not to mention that Facebook played a crucial part on making it an open source Top Level Project in the first place. Cassandra  is ...

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Apache Spark is now a top-level project


The Apache Software Foundation (ASF) happily announced that Apache Spark has graduated from the Apache Incubator to become a Top-Level Project (TLP), signifying the project’s stability. Apache Spark is an Open Source cluster computing framework for fast and flexible large-scale data analysis. Spark has been the talk of the Big Data town for a while, and 2014 was predicted to ...

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Apache Tomcat and Denial-of-service vulnerability


Websites hosted on Apache Tomcat servers seem to be vulnerable against denial-of-service attacks, as was recently proven by security researchers and presented in Denial-of-service vulnerability puts Apache Tomcat servers at risk. Apache Tomcat servers are widely used for hosting applications developed with the Java Servlet and the JavaServer Pages (JSP) technologies. Apache Commons FileUpload is a stand-alone library that developers ...

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Big Data: What about Security?


From the first time Hadoop appeared it had a security problem. Apache Knox and Cloudera Manager have been solutions for providing authentication and authorization for basic database management functions. Also, the underlying Hadoop Filesystem now incorporates Unix-like permissions. But the issue has not been solved, so usually the pattern followed is to “plunk the S-word after the name of a ...

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Java 8 news


The first release candidates of Java 8, b128 and Java 8 RC2 showed up on February, fixing a serious flaw in the new Comparator API, where its new thenComparing() method had an unnecessary type restriction. The thenComparing() method of java.util.Comparator does not require that type U extend java.lang.Comparable, since keyComparator is used to compare extracted key objects. Java 8 RC2 ...

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How to start a big data analytics project


When starting a Big Data analytics project, time is a very important issue. It may take from a few weeks to many years, and it depends on many factors, such as understanding the requirements, choosing the right technology, the complexity of the analytics and many more. An important thing to understand is that a big data analytics solution should be ...

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Spring for Apache Hadoop 2.0 M5


Spring has happily announced the Spring for Apache Hadoop 2.0 M5 milestone releases, while they are also getting much closer to a release candidate. In the Spring blog there is a good comparison between the new version 2.0 and the 1.0 version. According to it: 1.0 version of Spring for Apache Hadoop uses HDFS and MapReduce with either MapReduce v1 ...

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5 tools for Java developers


A way to improve the Java code we write is to work with the best tools. So, let’s check out the 5 most used tools that IDR Solutions suggests to help Java Developers write better code. FindBugs FindBugs is an open source program, distributed under the terms of the Lesser GNU Public license and operates on Java bytecode rather than ...

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Java 8 will use Transport Level Security (TLS) 1.2 as default


Transport Level Security (TLS) 1.2 will be set by default to the next version of standard Java, that is coming on March 18. The TLS will provide encrypted internet communications, but will not completely solve Java’s security problems, as Java’s encrypted communications no panacea for security problems explains. TLS version 1.2 will be enabled in Java Development Kit (JDK) 8. ...

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Java memory model is back


The Java memory model has been forgotten for more than nine years, but most open source Java supporters want to modernize it and focus on concurrency, as introduced in Java memory model takes small step toward modernization. A JEP (JDK Enhancement Proposal), number 188, has come up this month, offering guidance on shared-memory concurrency efforts that impact Java SE (Standard ...

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