How ELK stores data

Hi Experts,

I am totally new to this tool, so I have couple of basic queries

  1. How ELK stores indexed data. Like traditional analytic tools stores data
    in flat files or in their own database .
  2. How we can perform historical search
  3. How license is provided , I mean is it based on data indexed per day ?
  4. If I want to start do I need to download 3 tools
    (ElasticSearch,Logstash, Kibana)

Please assist

Thanks
VG

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On Monday, March 09, 2015 at 16:34 CET,
vikas gopal vikas.hafig@gmail.com wrote:

I am totally new to this tool, so I have couple of basic queries

  1. How ELK stores indexed data. Like traditional analytic tools
    stores data in flat files or in their own database .

Elasticsearch is based on Lucene and the data is stored in
whatever format Lucene uses. This isn't something you have
to care about.

  1. How we can perform historical search

Using the regular query APIs. Sorry for such a general answer
but your question is very general.

  1. How license is provided , I mean is it based on data
    indexed per day ?

It's free Apache-licensed software so you don't have to pay
anything. If you feel you need a support contract that's
being offered at a couple of different levels. I'm sure there
are third parties offering similar services.

http://www.elasticsearch.com/support/

  1. If I want to start do I need to download 3 tools
    (ElasticSearch,Logstash, Kibana)

If you want the whole stack from log collection to storage
to visualization then yes, you need all three. But apart
from a dependency from Kibana to Elasticsearch the tools
are independent.

I suggest you download them and try them out. That's the
quickest way to figure out whether the tool stack (or a subset
thereof) fits your needs. There are also a number of videos
available.

--
Magnus Bäck | Software Engineer, Development Tools
magnus.back@sonymobile.com | Sony Mobile Communications

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Hello,

to add on to the searching historical data question, I know Elasticsearch
using JSON to index documents but how do you get it to index the body of
the document without copy and pasting the body into JSON. I assume there is
a way to do this. I have used analyzers in my mapping but it didn't get the
body of the document.

thanks,
Austin

On Monday, March 9, 2015 at 11:10:40 AM UTC-5, Magnus Bäck wrote:

On Monday, March 09, 2015 at 16:34 CET,
vikas gopal <vikas...@gmail.com <javascript:>> wrote:

I am totally new to this tool, so I have couple of basic queries

  1. How ELK stores indexed data. Like traditional analytic tools
    stores data in flat files or in their own database .

Elasticsearch is based on Lucene and the data is stored in
whatever format Lucene uses. This isn't something you have
to care about.

  1. How we can perform historical search

Using the regular query APIs. Sorry for such a general answer
but your question is very general.

  1. How license is provided , I mean is it based on data
    indexed per day ?

It's free Apache-licensed software so you don't have to pay
anything. If you feel you need a support contract that's
being offered at a couple of different levels. I'm sure there
are third parties offering similar services.

http://www.elasticsearch.com/support/

  1. If I want to start do I need to download 3 tools
    (ElasticSearch,Logstash, Kibana)

If you want the whole stack from log collection to storage
to visualization then yes, you need all three. But apart
from a dependency from Kibana to Elasticsearch the tools
are independent.

I suggest you download them and try them out. That's the
quickest way to figure out whether the tool stack (or a subset
thereof) fits your needs. There are also a number of videos
available.

--
Magnus Bäck | Software Engineer, Development Tools
magnu...@sonymobile.com <javascript:> | Sony Mobile Communications

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