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Define Elasticsearch Indices and Aliases
In Elasticsearch, the data we index is stored in an **index**. The word _index_ here is used as both a verb and a noun. Essentially, we perform an index operation in order to store data in an index. Before we can do this, however, we first need to understand the structure of an index and how to define one to meet specific requirements. In this hands-on lab, you will define Elasticsearch indexes by completing the following tasks: * Configure the number of primary shards of an index * Configure the number of replica shards of an index * Allocate the shards for an index to **hot** nodes * Allocate the shards for an index to **warm** nodes * Associate indexes with aliases
Lab Info
Table of Contents
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Challenge
Create the logs-2020-01-05 index.
Use the Kibana console tool to execute the following:
PUT logs-2020-01-05 { "aliases": { "logs": {}, "this_week": {} }, "settings": { "number_of_shards": 2, "number_of_replicas": 1, "index.routing.allocation.require.temp": "warm" } } -
Challenge
Create the logs-2020-01-06 index.
Use the Kibana console tool to execute the following:
PUT logs-2020-01-06 { "aliases": { "logs": {}, "this_week": {} }, "settings": { "number_of_shards": 2, "number_of_replicas": 1, "index.routing.allocation.require.temp": "warm" } } -
Challenge
Create the logs-2020-01-07 index.
Use the Kibana console tool to execute the following:
PUT logs-2020-01-07 { "aliases": { "logs": {}, "this_week": {} }, "settings": { "number_of_shards": 2, "number_of_replicas": 1, "index.routing.allocation.require.temp": "warm" } } -
Challenge
Create the logs-2020-01-08 index.
Use the Kibana console tool to execute the following:
PUT logs-2020-01-08 { "aliases": { "logs": {}, "this_week": {} }, "settings": { "number_of_shards": 2, "number_of_replicas": 1, "index.routing.allocation.require.temp": "warm" } } -
Challenge
Create the logs-2020-01-09 index.
Use the Kibana console tool to execute the following:
PUT logs-2020-01-09 { "aliases": { "logs": {}, "this_week": {} }, "settings": { "number_of_shards": 2, "number_of_replicas": 1, "index.routing.allocation.require.temp": "warm" } } -
Challenge
Create the logs-2020-01-10 index.
Use the Kibana console tool to execute the following:
PUT logs-2020-01-10 { "aliases": { "logs": {}, "this_week": {}, "yesterday": {} }, "settings": { "number_of_shards": 2, "number_of_replicas": 1, "index.routing.allocation.require.temp": "hot" } } -
Challenge
Create the logs-2020-01-11 index.
Use the Kibana console tool to execute the following:
PUT logs-2020-01-11 { "aliases": { "logs": {}, "this_week": {}, "today": {} }, "settings": { "number_of_shards": 2, "number_of_replicas": 1, "index.routing.allocation.require.temp": "hot" } }
Real skill practice before real-world application
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On average, you retain 75% more of your learning if you take time to practice. Hands-on labs set you up for success to make those skills stick.