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Elasticsearch · Module 8 of 10

Ingesting data

Getting data in: bulk API, Logstash, Beats and ingest pipelines.

📖 Key ideas

  1. The _bulk API indexes many documents in one request.
  2. Beats like Filebeat ship log files from servers.
  3. Logstash transforms and enriches data before indexing.
  4. Ingest pipelines process documents inside Elasticsearch (grok, date, rename).
  5. Refresh interval controls how soon new data is searchable.
💡 Real-life example: Like delivering parcels: one truck with 500 parcels beats 500 separate auto rides.
_bulkIndex many documents in one request
FilebeatShips log files
LogstashTransforms data in a pipeline
grokParses text with patterns