ianblenke

Allow routing allocations:

curl -XPUT localhost:9200/_cluster/settings -d '{
                "transient" : {
                    "cluster.routing.allocation.enable" : "all"
                }
        }'

psayre23

Below are the Big O performance of common functions of different Java Collections.


List                 | Add  | Remove | Get  | Contains | Next | Data Structure
---------------------|------|--------|------|----------|------|---------------
ArrayList            | O(1) |  O(n)  | O(1) |   O(n)   | O(1) | Array
LinkedList           | O(1) |  O(1)  | O(n) |   O(n)   | O(1) | Linked List
CopyOnWriteArrayList | O(n) |  O(n)  | O(1) |   O(n)   | O(1) | Array

ngpestelos

May 8, 2018

I wrote this four years ago, so instead use this command:

$ docker rmi $(docker images -q -f dangling=true)

brianmcdo

Remember to install the Java JRE first.

Please see the Elasticsearch website for the latest version: http://www.elasticsearch.org/download/ 

wget .deb file 
  wget https://download.elasticsearch.org/elasticsearch/elasticsearch/elasticsearch-0.90.9.deb

Install
  sudo dpkg -i elasticsearch-0.90.9.deb