Elasticsearch Ingest Node
Ingest node use to pre-process documents before the actual document indexing
happens. The ingest node intercepts bulk and index requests, it applies transformations, and it then passes the documents back to the index or bulk APIs.
Logstash is a server-side data processing pipeline that ingests data from multiple sources simultaneously, transforms it, and then sends it to different output sources like Elasticsearch, Kafka Queues, Databases etc.
Filebeat is lightweight log shipper which reads logs from thousands of logs files and forward those log lines to centralize system like Kafka topics to further processing on Logstash, directly to Logstash or Elasticsearch search.
There is overlap in functionality between Elasticsearch Ingest Node , Logstash and Filebeat.All have there weakness and strength based on architectures and area of uses. You cam also integrate all of these Filebeat, Logstash and Elasticsearch Ingest node by minor configuration to optimize performance and analyzing of data.
Below are some key points to compare Elasticsearch Ingest Node , Logstash and Filebeat.
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To know more about Elasticsearch Ingest Node, Logstash or Filebeat follow below links: