InfoQ Homepage Logging Content on InfoQ
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Log4j Version 1 Reaches End of Life
Apache has announced the EOL of version 1 of Log4j. Although Log4j version 2 was released in July 2014, version 1 was maintained until early August 2015. The new version is a full rewrite of the logging library, addressing many of the issues of version 1 and achieving unprecedented performance. Apache has made an effort to ease the upgrade, although advanced users may need some migration work.
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Newest NLog Improves Exception Logging, Adds JSON/Zip support
NLog 4.0 has been released, and it brings improved exception logging, adds conditional logging, and support for JSON and Zip archives.
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Amazon CloudWatch Supports JSON Logs and Integrates AWS CloudTrail
Shortly after releasing the AWS CloudTrail Processing Library (CPL), Amazon Web Services has also integrated AWS CloudTrail with Amazon CloudWatch Logs to enable alarms and respective "notifications from CloudWatch, triggered by specific API activity captured by CloudTrail". The implied support for monitoring JSON-formatted logs has recently been officially released as well.
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Amazon EC2 Gains Two-Minute Warning for Spot Instance Termination
Amazon EC2 recently gained two-minute warnings before Spot Instances are reclaimed, a feature "formally known as a Spot Instance Termination Notice". The goal is to "allow more types of applications to benefit from the scale and low price of Spot Instances" by giving them time to save state, upload log files, or deregister from other components such as load balancers or cluster managers.
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AWS Releases CloudTrail Processing Library
Amazon Web Services (AWS) recently released the AWS CloudTrail Processing Library (CPL), a "Java client library that makes it easy to build an application that reads and processes CloudTrail log files in a fault tolerant and highly scalable manner".
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Amazon CloudWatch Gains Log Monitoring and Storage
Amazon CloudWatch recently gained log file monitoring and storage for application, operating system and custom logs and meanwhile enhanced support for Microsoft Windows Server to cover a wider variety of log sources.
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Reactive Extensions, Async, and Splunk
The 2.0 version of the Splunk C# SDK is heavily invested in modern C# features. Every major operation from login-onwards is available via asynchronous methods. And for most advanced uses such as sampling, Reactive Extensions come into play.
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Apache Log4j 2.0 - Worth the Upgrade?
The Apache Software Foundation recently announced the General Availability of Log4j 2.0, containing many performance improvements over its predecessor Log4j 1.x. Years in the making, this release was written from scratch, and gained its inspiration from existing logging solutions such as Log4j 1.x and java.util.logging.
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AWS Expands Credential Lifecycle Management and Monitoring
AWS Identity and Access Management (IAM) recently expanded available password policy rules to enable self-service password rotation. A new credential report provides visibility into the AWS credentials security status. AWS also added logging of AWS Management Console sign-in events to AWS CloudTrail.
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AWS CloudTrail Expands Auditing of API Calls
Amazon Web Services (AWS) has considerably increased the number of services supported by AWS CloudTrail to cover the majority of the extensive AWS service portfolio. This now includes most compute and networking and all deployment and management services, thereby providing comprehensive end to end auditing of almost any changes to customer’s infrastructure.
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Integrating Windows Logging Through Linux With Syslog4NET
Centralized logging makes application support and troubleshooting much easier, but Windows and Linux/UNIX based systems take different approaches. Syslog4NET provides a way to bridge this gap, allowing Windows applications to directly log to a syslog dameon running on Linux/UNIX.
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Windows Event Log Integration with ETW
ETW or Event Tracing for Windows is a high performance logging system that is available for Windows Vista and later operating systems. On a typical system it can handle over 100,000 events per second, but those events are discarded unless something is listening. With the new EventSource library, a portion of those events can be copied to the Windows Event Logged.
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Latest Technology Trends on the Radar
Thoughtworks recently released a new installment of their technology radar highlighting techniques enabling infrastructure as code, perimeterless enterprises, applying proven practices to areas without, and lightweight analytics.
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Netflix Log4J Optimizations Yield Logging at Massive Scale
Blitz4k, Netflix’ internally optimized version of log4j, has been released to Github. Blitz4j efficiently generates logs within a massively concurrent and heavy traffic environment while consuming fewer resources than other, more traditional logging technologies. Its use has lowered the cost of logging within Netflix by at least 75%.
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GWT 2.1 RC1 Brings Features Initially Scheduled for 2.2
GWT 2.1 RC1 contains features specified by the roadmap, such as new table and tree widgets, but also features that were initially planned for GWT 2.2, such as logging. Another important feature is an MVP framework.