Difference b/w Index,type,node


(paul) #1

Hi ,

I have started using elastic search , I have couple of confusions regarding
the terminologies they use in the elastic search documentation , these may
be naive but will help me understand configuration better .

Index: Its is the place where all the data is stored. Its a lucene
instance. an index can have multiple types.
Type: Its just a logical partition inside the Index.
Node: Its is a instance of elastic search server . It can have multiple
indexes . A single system(PC) can run multiple instances of elastic search.

Index can have shards , running on different nodes , how do we put the
shards on different nodes i.e. different elastic search servers?

Any links to ppt or documentation will be helpful.

Regards
Paul

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(Mark Walkom) #2

ES handles allocation of shards automatically, it's one of the things that
makes it so awesome.

There is this glossary in the documentation that might assist -
http://www.elasticsearch.org/guide/en/elasticsearch/reference/current/glossary.html

Regards,
Mark Walkom

Infrastructure Engineer
Campaign Monitor
email: markw@campaignmonitor.com
web: www.campaignmonitor.com

On 13 November 2013 15:59, paul avinashpaul85@gmail.com wrote:

Hi ,

I have started using elastic search , I have couple of confusions
regarding the terminologies they use in the elastic search documentation ,
these may be naive but will help me understand configuration better .

Index: Its is the place where all the data is stored. Its a lucene
instance. an index can have multiple types.
Type: Its just a logical partition inside the Index.
Node: Its is a instance of elastic search server . It can have multiple
indexes . A single system(PC) can run multiple instances of elastic search.

Index can have shards , running on different nodes , how do we put the
shards on different nodes i.e. different elastic search servers?

Any links to ppt or documentation will be helpful.

Regards
Paul

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"elasticsearch" group.
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(paul) #3

Thank you Mark got more clarity after going through the glossary.

On Wednesday, 13 November 2013 10:32:48 UTC+5:30, Mark Walkom wrote:

ES handles allocation of shards automatically, it's one of the things that
makes it so awesome.

There is this glossary in the documentation that might assist -
http://www.elasticsearch.org/guide/en/elasticsearch/reference/current/glossary.html

Regards,
Mark Walkom

Infrastructure Engineer
Campaign Monitor
email: ma...@campaignmonitor.com <javascript:>
web: www.campaignmonitor.com

On 13 November 2013 15:59, paul <avinas...@gmail.com <javascript:>> wrote:

Hi ,

I have started using elastic search , I have couple of confusions
regarding the terminologies they use in the elastic search documentation ,
these may be naive but will help me understand configuration better .

Index: Its is the place where all the data is stored. Its a lucene
instance. an index can have multiple types.
Type: Its just a logical partition inside the Index.
Node: Its is a instance of elastic search server . It can have multiple
indexes . A single system(PC) can run multiple instances of elastic search.

Index can have shards , running on different nodes , how do we put the
shards on different nodes i.e. different elastic search servers?

Any links to ppt or documentation will be helpful.

Regards
Paul

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"elasticsearch" group.
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(system) #4