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Monitoring Elasticsearch

You're reading from   Monitoring Elasticsearch

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Product type Paperback
Published in Jul 2016
Publisher Packt
ISBN-13 9781784397807
Length 180 pages
Edition 1st Edition
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Authors (3):
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Dan Noble Dan Noble
Author Profile Icon Dan Noble
Dan Noble
Pulkit Agrawal Pulkit Agrawal
Author Profile Icon Pulkit Agrawal
Pulkit Agrawal
Mahmoud Lababidi Mahmoud Lababidi
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Mahmoud Lababidi
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Toc

Elasticsearch-head

In Chapter 2, Installation and the Requirements for Elasticsearch, we introduced and installed Elasticsearch-head, and now we will begin examining its features.

The Overview tab

The first tab in Elasticsearch-head is the Overview tab. This tab answers questions such as the following:

  • How many nodes are in the cluster?
  • Is the cluster in a healthy state?
  • Is all of the cluster's data available?
  • How many indices are in the cluster, and how big are they?
  • How much data is in the cluster?

Users can also use this tab to perform some basic administrative actions (creating indices, deleting indices, and so on).

After loading in sample Twitter data from the previous section, our Overview tab looks like the following:

The Overview tab

We can see that three nodes are up and running:

  • elasticsearch-node-01
  • elasticsearch-node-02
  • elasticsearch-node-03

We also have one active index that contains our newly loaded Twitter data. From this page, we can tell the following:

  • The Twitter index takes up 456 MB
  • The Twitter...
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