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- ##################################################################
- # /etc/elasticsearch/elasticsearch.yml
- #
- # Base configuration for a write heavy cluster
- #
- # Cluster / Node Basics
- cluster.name: logng
- # Node can have abritrary attributes we can use for routing
- node.name: logsearch-01
- node.datacenter: amsterdam
- # Force all memory to be locked, forcing the JVM to never swap
- bootstrap.mlockall: true
- ## Threadpool Settings ##
- # 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
- # Indices settings
- indices.memory.index_buffer_size: 30%
- indices.memory.min_shard_index_buffer_size: 12mb
- indices.memory.min_index_buffer_size: 96mb
- # Cache Sizes
- indices.fielddata.cache.size: 15%
- indices.fielddata.cache.expire: 6h
- indices.cache.filter.size: 15%
- indices.cache.filter.expire: 6h
- # Indexing Settings for Writes
- index.refresh_interval: 30s
- index.translog.flush_threshold_ops: 50000
- # Minimum nodes alive to constitute an operational cluster
- discovery.zen.minimum_master_nodes: 2
- # Unicast Discovery (disable multicast)
- discovery.zen.ping.multicast.enabled: false
- discovery.zen.ping.unicast.hosts: [ "logsearch-01", "logsearch-02", "logsearch-03" ]
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