shunsukeaihara/norikra

Schemaless Stream Processing (Complex Event Processing) Server with SQL

Norikra

Norikra is an open-source Stream Processing Server with SQL.

• Schema-less event streams (called as 'target')
• SQL processing with window specifier supports, and JOINs, SubQueries
• Complex input/output events with nested Hashes and Arrays, and Query supports
• Dynamic query registration/removing, without any restarts
• Ultra fast bootstrap and small start
• UDF plugins

Install and Execute

On JRuby environment, do these command (and, that all):

gem install norikra

To execute:

norikra start

For JRuby installation, you can use rbenv, rvm and xbuild, or install JRuby directly.

• JRuby: http://jruby.org/
• rbenv: https://github.com/sstephenson/rbenv/
• xbuild: https://github.com/tagomoris/xbuild

Install and launch

See: http://norikra.github.io/

How to execute norikra server and tests in development

Fix code and tests:

1. clone this repository
2. run bundle install w/ jruby
3. add/fix spec in spec/*_spec.rb
4. fix code in lib
5. run bundle exec rake

Execute norikra server with target/query continuation:

1. bundle exec rake devserver
2. Ctrl-C and re-execute for updated code

Clients

Use norikra-client cli command. These are available on both of JRuby and CRuby.

https://rubygems.org/gems/norikra-client https://rubygems.org/gems/norikra-client-jruby

And the client library for application developers are also included in these gems.

https://github.com/norikra/norikra-client-ruby

For other languages:

• Perl: https://github.com/norikra/norikra-client-perl
• Python: https://github.com/norikra/norikra-client-python

Events and Queries

See: http://norikra.github.io/

Changes

• v1.3
  • Dynamic plugin reloading by SIGHUP
  • Esper-5.2 bundle
  • Dependency update for msgpack.gem
• v1.2
  • NULLABLE() fields
  • Pluggable listeners
• v1.1
  • Suspend/Resume queries
• v1.0
  • Esper-5.0 bundle
  • Pattern support
  • Nested object support
  • Built-in default JVM options
  • JSON APIs
  • Many more features
• v0.1
  • First release for production usage

See Changes.md for details.

Copyright

• Copyright (c) 2013- TAGOMORI Satoshi (tagomoris)
• License
  • GPLv2