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Using NGINX and NGINX Plus to Load Balance Apache Tomcat Servers

2016-01-12 KENNETH 0

NGINX and NGINX Plus are commonly used to enhance performance and fault tolerance by acting as a load balancer for many application servers, including Apache TomcatTM. To help customers get the most out of their Tomcat deployments, NGINX, Inc. has published a new deployment guide, Using NGINX and NGINX Plus to Load Balance Apache Tomcat Servers. This guide details how NGINX and NGINX Plus can be utilized as a load balancer and application delivery controller for Apache Tomcat application servers. Why NGINX and NGINX Plus? Many Apache Tomcat deployments use the Apache HTTP Server for application delivery, as specified in the Tomcat installation instructions. Apache HTTP Server’s thread-per-connection architecture delivers acceptable performance under low to medium load, but under heavy load the limitations of the architecture begin to surface. In one common scenario, the thread pool becomes exhausted when there is a large [ more… ]

Using NGINX Logging for Application Performance Monitoring

2016-01-08 KENNETH 0

The live activity monitoring dashboard and API in NGINX Plus track many system metrics that you can use to analyze the load and performance of your system. If you need request-level information, the access logging in NGINX and NGINX Plus is very flexible – you can configure which data is logged, selecting from the large number of data points that can be included in a log entry in the form of variables. You can also define customized log formats for different parts of your application. One interesting use case for taking advantage of the flexibility of NGINX access logging is application performance monitoring (APM). There are certainly many APM tools to choose from and NGINX is not a complete replacement for them, but it’s simple to get detailed visibility into the performance of your applications by adding timing values to your code [ more… ]

WordPress 4.4.1 Security and Maintenance Release

2016-01-07 KENNETH 0

WordPress 4.4.1 is now available. This is a security release for all previous versions and we strongly encourage you to update your sites immediately. WordPress versions 4.4 and earlier are affected by a cross-site scripting vulnerability that could allow a site to be compromised. This was reported by Crtc4L. There were also several non-security bug fixes: Emoji support has been updated to include all of the latest emoji characters, including the new diverse emoji! Some sites with older versions of OpenSSL installed were unable to communicate with other services provided through some plugins. If a post URL was ever re-used, the site could redirect to the wrong post. WordPress 4.4.1 fixes 52 bugs from 4.4. For more information, see the release notes or consult the list of changes. Download WordPress 4.4.1 or venture over to Dashboard → Updates and simply click “Update Now.” Sites [ more… ]