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Logstash ~ execution model of logstash

2022-04-21 17:49:00 【EuropeanSheik】

1.input & filter & output

LogStash Each input stage in the pipeline runs in its own thread . Enter to write the event to memory （ Default ） Or a central queue on disk . Each pipeline worker takes a batch of events from the queue , Run this batch of events through the configured filter , Then run the filtered event through any output . The size of the batch and the number of pipeline worker threads are configurable

2. buffer

By default ,LogStash In pipeline phase （input->filter->output） Use bounded queues in memory to buffer events . If LogStash Unsafe termination , Any events stored in memory will be lost . To help prevent data loss , Enable LogStash To persist ongoing events to disk

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