[Elasticsearch] threadpool 설정.

[Server Side Setting]

- elasticsearch.yml

- http://edgeofsanity.net/article/2012/12/26/elasticsearch-for-logging.html

[threadpool bounded]

indices.memory.index_buffer_size: 50%

# Search pool

threadpool.search.type: fixed

threadpool.search.size: 20

threadpool.search.queue_size: 100

 

# Bulk pool

threadpool.bulk.type: fixed

threadpool.bulk.size: 60

threadpool.bulk.queue_size: 300

 

# Index pool

threadpool.index.type: fixed

threadpool.index.size: 20

threadpool.index.queue_size: 100

[threadpool unbounded]

threadpool.index.queue_size: -1