Memory optimizations

Improve memory usage by reducing the amount of data buffered and designing new functions implementation.

Included PRs:
#140
#139

Stabilized columnar format

Bug fixes for columnar reads #131

Performance Improvements

Note: this release is NOT backwards compatible, existing data will not be upgraded

• Major performance improvements to tags and indexing
• Evolved tag classes
• Memory utilization reduction

Please note, there may be potential bugs with this release, please open issues if you experience a bug.

Tag Key Value & Bitmap Index

Tag Key Value support has been added along with Bitmap Index via Roaring Bitmap library.

Sidewinder version has been upgraded to 0.2.x with support for tag key value.

Note: This release is NOT backwards compatible.

Jar: http://search.maven.org/remotecontent?filepath=com/srotya/sidewinder/sidewinder-standalone-dist/0.2.0/sidewinder-standalone-dist-0.2.0.jar

RPM: http://search.maven.org/remotecontent?filepath=com/srotya/sidewinder/sidewinder-standalone-dist/0.2.0/sidewinder-standalone-dist-0.2.0.rpm

Deb: http://search.maven.org/remotecontent?filepath=com/srotya/sidewinder/sidewinder-standalone-dist/0.2.0/sidewinder-standalone-dist-0.2.0.deb

sidewinder-parent-0.0.37

Version update release

Jar: http://search.maven.org/remotecontent?filepath=com/srotya/sidewinder/sidewinder-standalone-dist/0.0.37/sidewinder-standalone-dist-0.0.37.jar

RPM: http://search.maven.org/remotecontent?filepath=com/srotya/sidewinder/sidewinder-standalone-dist/0.0.37/sidewinder-standalone-dist-0.0.37.rpm

Deb: http://search.maven.org/remotecontent?filepath=com/srotya/sidewinder/sidewinder-standalone-dist/0.0.37/sidewinder-standalone-dist-0.0.37.deb

Compaction bug fixes

Note: Upgrading to this release requires data reset, not backwards compatible

Compaction Bugs: #119

Jar: http://search.maven.org/remotecontent?filepath=com/srotya/sidewinder/sidewinder-standalone-dist/0.0.33/sidewinder-standalone-dist-0.0.33.jar

RPM: http://search.maven.org/remotecontent?filepath=com/srotya/sidewinder/sidewinder-standalone-dist/0.0.33/sidewinder-standalone-dist-0.0.33.rpm

Deb: http://search.maven.org/remotecontent?filepath=com/srotya/sidewinder/sidewinder-standalone-dist/0.0.33/sidewinder-standalone-dist-0.0.33.deb

New Functions and Improvements

This is a feature and performance release including new functions, improvements to indexing and some fixes to functionality.

New functions
Brand new functions are added to analyze data including trigonometric, basic math and multi-series functions. Also included is the capability to chain functions. More information about this can be found in the docs:
http://sidewinder.srotya.com/docs/#/integrations/queries

Indexing improvements
Improving indexing process to make it less compute intensive by removing hashing.

GC and Compaction

This is a major feature release focusing on a brand new Garbage Collection system and Compaction system with numerous performance and bug fixes. It also adds a passive clustered replication system along with a Write Ahead Log implementation in the clustered version that provides active clustering on Measurements.

WARNING: This upgrade is NOT backwards compatible and requires a fresh install

Refer to updated documentation at http://sidewinder.srotya.com/docs/#/

Major features include:

• Graphite Schema #92
• Enable time unit dropdown for Grafana #99
• Add series compaction capability #100
• GRPC API Authentication Needed #85
• Support Grafana Regex Queries for Value Field Name & Measurement Name #87
• Build Sidewinder Graphite Proxy #82
• Fix broken garbage collector #71

New Storage Engine

This release is contains a major change in Sidewinder's Storage Engine, which is now capable of scaling to millions of unique time series without running into max open file limits. This is achieved without compromising write performance of the database.

• New Storage Engine design
• Additional testing to improve reliability

Note: Sidewinder GC for disk storage doesn't actually free up data in this release
Note: This release is NOT backwards compatible

Release: 0.0.23 Misc Fixes

• Bug fixes with Grafana API
• Additional unit tests
• Ambari stack with automated version upgrade
• Multi-disk configuration support
• Grafana plugin refactored to separate project