Chronix v0.5.2

Features and Fixes

The release includes the following fixes:

• Fix #153: Due to synchronization issues some aggregation results were not exported
• Fix #155: Due to synchronization issues some time series were not processed

Chronix v0.5.1

Features and Fixes

The release includes the following fixes:

• Fix #151 : Nullpointer-Execution when multiple requests are executed in parallel.

Chronix v0.5

Features and Fixes

The release includes the following fixes and features:

• Enhance the Plugin-API (no a function can operate on all time series)
• Upgrade to latest Apache Solr version (8.1.1)

Chronix v0.5-beta

Features and Fixes

The release includes the following fixes and features:

• #121 Migrated the plug-in concept introduced in the research paper
• #123 Upgrade to latest Apache Solr version

Chronix v0.4

Features and Fixes

The release includes the following fixes and features:

• #43 Documentation
• #49 Small chunk compaction
• #57 Chronix simple ingestion interface
• #76 Bug when using field in join key that is not part of the requested fields
• #82 Fixed Moving Average implementation (based on time-window)
• #92 Moving Average based on a fixed size of samples
• #102 Bug when joining fields
• #109 Bug when using functions and join within a query
• #116 Upgraded to Solr 6.3.0

Chronix 0.3

Features and Fixes

The release includes the following fixes and features:

• #61 Timeshift transformation
• #62 CORS is now enabled by default (for use with grafana)
• #63 Upgrade to Solr 6.1
• #67 Server-side compression (gzip) is now available (accept-encoding: gzip)
• #68 Points are now sorted when requested as json (Bug Fix)

And all features of the prior versions. ;-)

Chronix v0.2

Features and Fixes

The release includes the following fixes and features:

• #53 The chronix-respsonse-writer plugin is removed (see #35)
• #39 Add / Subtract transformation
• #35 Data as json even for transformations and range queries (fl=dataAsJson)
• #34 Functions are only executed once (max,max => max)
• #32 Empty arguments for functions and aggregations are not returned anymore
• #26 Vectorization Transformation
• #24 Bug in percentile aggregation
• Upgraded to Solr 6.0.1

And all features of the prior versions.

Beta Release of Version 0.2

Features and Fixes

The release includes the following fixes and features:

• #24 Bug in percentile aggregation
• #22 Option to request data field
• #21 Range aggregation
• #20 Last aggregation
• #19 First aggregation
• #18 Count aggregation
• #17 Sum aggregation
• #16 Singed difference aggregation
• #15 Difference aggregation
• #10 Upgraded to Solr 6.0
• #9 Analyze multiple analyses in one request

Fixes and Performance optimizations

Features and Fixes

• The release includes the following fixes:
  • #4 Fixed a bug in the chronix client
  • #6 Date (fields for start / end) parsing in sub queries
  • #7 Merging attributes of an analysis results
  • #8 Fixed a problem with FastDTW when two or more timestamps have the same value

Features

• Kassiopeia 1.7 (performance improvements)
• Some refactoring and performance optimizations

Chronix v0.1.2

Solr 5.5.0 and FastDTW

This release contains the following changes / improvements:

Main Features

• Upgraded Solr to Version 5.5.0
• Changed syntax of Chronix functions
  • ag = still used for aggregations
  • analysis = still used for analyses
  • arguments are now split on "," ( ":" former)
  • aggregation / functions and arguments are divided with ":"
  • [ag|analysis]=([min,max,avg,p,dev]|[trend,outlier,frequency,fastdtw]):(arg,)*
• Kassiopeia Simple 0.1.1 to 0.1.4
  • Date-Delta-Compaction now detects a drift
  • Internal API changes to avoid unnecessary object transformations
• New Analysis: FastDTW to find similar time series
  • Uses Dynamic time warping to find time series that are similar with other time series
  • Example Query: q=metric:*Load*min&fq=analysis=fastdtw(metric:*Load*),5,0.8
• Performance Improvements
  • Fewer object creations
  • Faster query and analysis times