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Configure Solr Cloud with External Zookeeper Step by Step Guide

Updated on July 23, 2017
Solr Cloud
Solr Cloud | Source

Configuring Solr Cloud with External Zookeeper

Zookeeper Configuration Steps


Download Zookeeper 3.4.5


Download

Configuration file location: zookeeper/conf/zoo_sample.cfg

Rename it with zoo.cfg

Specify below parameters in zoo.cfg

tickTime=2000

DataDir=../zoo_Data(Depends on folder location)

ClientPort=2181 (For zookeeper 2, 3…….. 2182, 2183………...)


Make entry of all zookeeper servers

Like,

server.1=10.38.33.242:2888:3888

server.2=10.38.33.242:2889:5889

server.3=10.38.33.242:2890:3890

Create zoo_data folder in all zookeeper server,

Put myid file in all zookeeper servers in zoo_data folder, for zookeeper one-specify myid 1, for zookeeper two specify myid 2 and so on…

Sample myid file…

Sample of configured file, Open it with Edit Plus/Notepad...

To Start Zookeeper Server

Command for starting a Zookeeper server:

Zookeeper\bin\zkserver.cmd

Now Start Zookeeper server one by one, when you start first and second server it will give errors. After starting a third server all three are

Synced and working.




Apache Solr Cloud
Apache Solr Cloud

Solr Cloud Configuation Steps

Download Solr 4.3.0 (I have tested on 4.3.0, latest version is 6.3.0 )

Download

First configure solr.xml file


Note: we need 4 solr and 3 zookeeper server for solr cloud (zookeeper must be odd number, minimum three zookeeper require. only one zookeeper is not allowed. Among 4 solr, First one is your Shard1, 2nd solr is your Shard2, 3rd is Replica of Shard1 and 4th is Replica of Shard2 vice versa).

Configure Solr.xml file in all solr servers....

Location of solr.xml file: Solr server Directory/solr/solr.xml

Host: Give IP Address here (Ensure that your IP must be given to your system before assigning it to solr).

Host Port: give solr server port here (default 8983)

You can give port 8983, 7574, 8900, 7500…etc.

4 Solr Servers and 3 ZooKeeper servers are ready now……………..

Commands to Start Solr:

Fire Command at Solr Directory on command prompt

e.g.

Solr 1

D:\Solr Cloud\solr-4.3.0\solr1>java -DzkHost=127.0.0.1:2181,127.0.0.1:2182, 127.0.0.1:2183 -jar start.jar

Solr 2

D:\Solr Cloud\solr-4.3.0\solr2>java -Djetty.port=7574 -DzkHost=127.0.0.1:2181,127.0.0.1:2182, 127.0.0.1:2183 -jar start.jar

Solr 3

D:\Solr Cloud\solr-4.3.0\solr3>java -Djetty.port=8900 -DzkHost=127.0.0.1:2181,127.0.0.1:2182, 127.0.0.1:2183 -jar start.jar

Solr 4

D:\Solr Cloud\solr-4.3.0\solr4>java -Djetty.port=7500 -DzkHost=127.0.0.1:2181,127.0.0.1:2182, 127.0.0.1:2183 -jar start.jar


API URL : For access solr cloud

http://localhost:8983/solr/#/~cloud (specify your solr1 ip address inplace of localhost)

Create new core:

Run following command in internet explorer.

http:\\localhost:8983\solr\admin\collections?action=CREATE&name=documents&numShards=2

Upconfing command:

Use: This command is used for to activate any changes in configuration.

Example for core : collection1

Run following command at …/solr/cloud-script

zkcli.bat -cmd upconfing -confdir "D:\Solr Cloud\solr-4.3.0\solr1\solr\collection1\conf" -confname collection1 -z 127.0.0.1:2181

Note: Before firing a command please do manual entry in solr.xml file

e.g.

Solr1-<core shard="shard1" instanced="collection1\" name="collection1" collection="collection1"/>

Check your cores with API URL

Comments

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    • MFG-Hub profile image
      Author

      MFG-Hub 19 months ago from asia

      Check required port is enabled or not in vm advance settings

    • profile image

      Fakhria 2 years ago

      Hi..

      I have installed zookeeper in 3 vm servers. When I start each zookeeper, they seem successfully started, but when i check zookeeper status: it shows "Error contacting service. It is probably not running."

      Please help me..

      Thanks

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