elasticsearchHow can I implement best practices for using elasticsearch?
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Indexing: Create indices with the appropriate number of shards and replicas. Use a naming convention for all indices and be sure to check the index settings before creating an index.
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Mapping: Define the mapping for each index, including the data types and the index and search analyzers.
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Data Ingestion: Use the bulk API to ingest data into Elasticsearch. This will ensure that data is ingested efficiently and can be monitored for errors.
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Search: Use the multi-match query for searching multiple fields. Additionally, use the bool query for combining multiple queries.
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Security: Use X-Pack for securing Elasticsearch clusters. This will enable authentication, authorization, and encryption for the cluster.
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Monitoring: Use the monitoring API to monitor the performance of the cluster. This will enable you to identify any issues and take corrective action.
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Backup: Use the snapshot API to take periodic backups of the cluster. This will ensure that the data is always recoverable in case of an emergency.
Example code
PUT my_index
{
"settings": {
"number_of_shards": 5,
"number_of_replicas": 1
},
"mappings": {
"properties": {
"title": {
"type": "text",
"analyzer": "english"
},
"content": {
"type": "text",
"analyzer": "english"
}
}
}
}
Output example
{
"acknowledged": true,
"shards_acknowledged": true,
"index": "my_index"
}
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See more codes...