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Elasticsearch Server Second Edition by Marek Rogoziński, Rafał Kuć

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Index aliasing and using it to simplify your everyday work

When working with multiple indices in Elasticsearch, you can sometimes lose track of them. Imagine a situation where you store logs in your indices. Usually, the amount of log messages is quite large, and therefore, it is a good solution to have the data divided somehow. A logical division of such data is obtained by creating a single index for a single day of logs (if you are interested in an open source solution used to manage logs, look at the Logstash at http://logstash.net). But after some time, if we keep all the indices, we will start to have a problem in taking care of all that. An application needs to take care of all the information, such as which index to send data to, which ...

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