es-reindex - simple ruby gem for copying ElasticSearch index

Simple ruby gem to copy and reindex ElasticSearch index, copying index settings and mapping(s).

Progress and time estimation is displayed during the scrolling process.

Requirements

Ruby 1.9.3 or newer is required, use rvm for convenience.

Following gems are required:

Usage (command line)

Refer to script's help:

$ ./es-reindex.rb -h

Script to copy particular ES index including its (re)creation w/options set
and mapping copied.

Usage:

  ./es-reindex.rb [-r] [-f <frame>] [source_url/]<index> [destination_url/]<index>

    - -r - remove the index in the new location first
    - -f - specify frame size to be obtained with one fetch during scrolling
    - -u - update existing documents (default: only create non-existing)
    - optional source/destination urls default to http://127.0.0.1:9200

Usage (in project)

You can also use it as a PORO:

# Options:
# remove: same as -r
# frame: same as -f
# update: same as -u cli option

options = {
  remove: true,
  update: true
}

ESReindex.new('http://my_server/index', 'http://my_server/index_copy', options).go!

Changelog

0.1.0: First gem release
0.0.9: Gemification, Oj -> MultiJSON
0.0.8: Optimization in string concat (@nara)
0.0.7: Document header arguments _timestamp and _ttl are copied as well
0.0.6: Document headers in bulks are now assembled and properly JSON dumped
0.0.5: Merge fix for trailing slash in urls (@ichinco), formatting cleanup
0.0.4: Force create only, update is optional (@pgaertig)
0.0.3: Yajl -> Oj
0.0.2: repated document count comparison
0.0.1: first revision

es-reindex - simple ruby gem for copying ElasticSearch index

Requirements

Usage (command line)

Usage (in project)

Changelog

License