Final answer:
Logstash is a data processing pipeline that can ingest data into Elasticsearch, making it a useful tool for collecting, processing, and transforming data from different sources.
Step-by-step explanation:
Logstash is a data processing pipeline that can ingest data into Elasticsearch. It is a tool used to collect, process, and transform data from different sources and send it to Elasticsearch for indexing and analysis.
Logstash can be used to handle various types of data, such as log files, metrics, and event data. It supports a wide range of input plugins to gather data from different sources, and output plugins to send the processed data to Elasticsearch.
For example, if you have log files from different applications and servers, you can use Logstash to collect and parse those log files, extract relevant information, and then send the parsed data to Elasticsearch for searching and analysis.