This document summarizes changes made in all releases starting with 0.90.
Starting with version 1.4, the Kieker ticket system (accessible via
http://kieker-monitoring.net) contains details on the changes.
Please refer to the Kieker User Guide for details on using Kieker.
* 1.8 (October 16, 2013)
- New features (selection)
- Data Bridge: Facility to connect Kieker's Java core with other platforms
- New reader plugin that provides the current system time in regular intervals
- New TCP writer and reader
- Acceleration/slow-down factor for real-time replayer
- Minor changes to the record API
- Additional method for binary (de)serialization
- `TYPES` field now public
- Many record types no longer `final` (eases custom extensions)
- Bug fixes and improvements to code, performance, tests, build scripts,
documentation, examples
- Various improvements to the WebGUI (see separate `HISTORY` file)
* 1.7 (April 17, 2013)
- Major changes
- Adaptive monitoring: extended set of (de)activation patterns to
support adaptive monitoring for custom probes. Before: limited
to (de)activate monitoring for operation signature patterns.
- New file system writers supporting (ZIP) compression
- Minor modifications to the Kieker.Analysis API:
1. Removed the `register` methods. Registration now implicit by
passing context information to the plugin constructors.
A legacy mode for the previous API is included in this version.
2. Analysis projects can now have properties available to the plugins.
- Bug fixes and improvements to code, tests, documentation, examples
- Various improvements to the WebGUI (see separate `HISTORY` file)
- Infrastructure:
- Kieker releases now also published via Maven Central Repository
(http://search.maven.org/)
- Completely redesigned web site: http://kieker-monitoring.net
- Live demo at http://demo.kieker-monitoring.net
* 1.6 (October 17, 2012)
- Major changes
- Web-based UI for editing and running analysis projects (beta version)
- Adaptive monitoring: (De)activate monitoring on method signature level
at runtime based on signature patterns
- Restructured and extended graph/visualization filters (trace coloring,
tooltips etc.)
- Log rotation for file system writer
- Logging API: SLF4J support and logger selection via JVM argument
- Many new AspectJ-based probes for detailed event-based tracing
- Refactored realtime replayer based on new re-usable filters (realtime delay,
record logger etc.)
- Java EE example: Now included in core binary release archive and based
on MyBatis JPetStore deployed to Jetty server
- Definition of configuration properties and default values for analysis
plugins and repositories now annotation-based
- Removed legacy control servlet (JMX interface should be used instead)
- Quality
- Bug fixes
- Added a number of (JUnit) tests
* 1.5 (April 13, 2012)
- Major new features
- Completely reworked pipe-and-filter framework in Kieker.Analysis
- Use of Java annotations to specify plugins, repositories,
input/output ports etc.
- Support for multiple readers
- Load and save configurations from/to .kax files
(based on a new meta-model specified using Ecore)
- Basic tools to execute/visualize .kax files
- New database writer/reader supporting arbitrary record types
- Support for immutable record types
- New binary filesystem writer/reader
- New print stream writer
- New re-usable filters (tee, counting, timestamp etc.)
- Complete method signatures used in probes/records for control-flow tracing
- New record types/probes for event-based tracing
(method call, entry, exit etc.)
- Re-enabled Java 5 support
- Removed dependency to commons.logging
- Additional Kieker Jar usable as javaagent for AspectJ-based instrumentation
- Quality
- Bug fixes
- Added a number of (JUnit) tests
* 1.4 (October 14, 2011)
- Features:
- JMX monitoring reader and writer
- JMS support for ActiveMQ and HornetQ (in addition to OpenJMS)
- Enable/disable flushing of FS Writers
- Configurable shutdown delay for asynchronous writers
- Configurable Servlet parameters for periodic samplers
- Direct support for asynchronous analysis
- Java 5 no longer supported
- Refined Microbenchmark (+ SPEC macro-benchmark configuration)
- Bug fixes/Improvements to sources and documentation
- Code quality
- Code cleanup
- Coding conventions
- Javadoc cleanup
- Integrated static analysis tools Findbugs, Checkstyle, and PMD
- Integrated test coverage tool
- Resolved Java warnings
- Licensing
- Added license headers to source files
- Added licenses for third-party libs
- Documentation
- Extended Java EE Servlet container example to Windows
- Fixes in user guide (examples)
- Extended JMS example to ActiveMQ and HornetQ (including Windows)
- Release archives
- Eclipse project files (Kieker project can be imported without copying the
default files)
* 1.3 (May 19, 2011)
- Added support for periodic samplers
- Added support for monitoring system-level statistics based on the Sigar API
- MonitoringController no longer restricted to singleton instance
- Added support for custom time sources
- Improved configuration management
- Added named pipe reader/writer (for passing monitoring records directly within
same JVM)
- MonitoringController accessible as JMX MBean
- API changes
- The format of the kieker.monitoring.properties changed!
- Custom writers will need to be adjusted to a changed interface
- Minor changes in the MonitoringController interface
* 1.2 (Sep 8, 2010)
- Minor bug-fixes and refactorings
(e.g., renaming Kieker.Tpmon/Tpan->Kieker.Monitoring/Analysis )
- Further enancements to trace analysis tool
(e.g., analysis and visualization features providing software
assembly- and deployment-level views)
- Improved documentation, e.g., brand-new user guide with examples!
- Improved Windows support (e.g., wrapper scripts)
* 1.1 (March 04, 2010)
- Improved implementation of trace analysis tool
- internal meta-model, on-the-fly trace reconstruction, ...
- Analysis features: Output of reconstructed system model, computation
of trace equivalence classes, ...
- Enhaced visualization features, e.g.,
- hierarchical dependency graphs (operation-, component-, container-level),
- call graphs
* 1.0 (Nov 18, 2009)
- Minor changes to Kieker's architecture
- Bug fixes
* 0.95a (Jul 09, 2009)
- Considerable improvements to Kieker's architecture, e.g.
- Generalized/extensible monitoring record model (more than executions)
- Generalized/extensible writer model (more than database and filesystem)
- Integration of monitoring and analysis data model
- Major refactorings
- First release containing core parts of the analysis component Tpan
* 0.91 (Apr 27, 2009)
- Aspects are in @Aspect style
- Adapted to operate with Java 6
- Maven build support
- Monitoring support for the spring framework with soap, CXF WebService stuff
- More efficient internal data structures and processing
- Distributed monitoring
* 0.6 (Jul 30, 2008)
- Added a new test for load-time weaving without Java annotation using full
instrumentation
* 0.5 (May 08, 2008)
- first sourceforge release
