Open/Close data indices
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Open/Close data indices

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Overview

An index is a type of data organization mechanism, allowing the database to partition data a certain way. An index is a data structure for storing the mapping of fields to the corresponding documents. An index is a logical namespace which maps to one or more primary shards and can have zero or more replica shards.(data)

In DNIF, the index is used to store the data that is collected by the database. As the index gets auto closed after the retention period. Any data that is older than that prescribed in the retention period will be available offline, but won’t be visible or available for query within the web console. So if we want to fetch the data for a particular date/month, then we have to first open the indexes for that time period.

Procedure

  • To understand the retention policy, click here Retention Policy

  • The DNIF Web Console is available centrally at go.dnif.it and if you have a local UNET then use that URL. Use your authentication details and your OTP to sign in. The OTP is valid for 30 seconds and the authentication process has to be completed before the OTP expires.

  • Go to the Management Tab on DNIF Console.

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  • Click on the Indices from the drop-down menu;

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  • The index management console is displayed, in which the open indexes are shown first and then the closed indexes.
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  • Click on the toggle button present at the rightmost corner to open/close the indexes.

Note

The user who is having admin rights for the scope can open/close/delete the indices.
After opening the index, the database will take some time to recover the index. Once the node is green, you can fetch the data from that index. Simply select the duration and fetch the data.


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