elasticsearch 配置解释

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elasticsearch.yml

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# ======================== Elasticsearch Configuration =========================
#
# NOTE: Elasticsearch comes with reasonable defaults for most settings.
#       Before you set out to tweak and tune the configuration, make sure you
#       understand what are you trying to accomplish and the consequences.
#
# The primary way of configuring a node is via this file. This template lists
# the most important settings you may want to configure for a production cluster.
#
# Please consult the documentation for further information on configuration options:
# https://www.elastic.co/guide/en/elasticsearch/reference/index.html
#
# ---------------------------------- Cluster -----------------------------------
#
# Use a descriptive name for your cluster:
#
cluster.name: localCluster
#
# ------------------------------------ Node ------------------------------------
#
# Use a descriptive name for the node:
# 默认从   /lib/elasticsearch-6.4.2.jar!config/names.txt选择一个
node.name: node-1
#
# Add custom attributes to the node:
#
#node.attr.rack: r1
#
# ----------------------------------- Paths ------------------------------------
#
# Path to directory where to store the data (separate multiple locations by comma):
#
path.data: /Users/littlehui/WorkSpaces/Office/Search/es/search/data
#
# Path to log files:
#
path.logs: /Users/littlehui/WorkSpaces/Office/Search/es/search/logs
#
# ----------------------------------- Memory -----------------------------------
#
# Lock the memory on startup:
#
bootstrap.memory_lock: true
#
# Make sure that the heap size is set to about half the memory available
# on the system and that the owner of the process is allowed to use this
# limit.
#
# Elasticsearch performs poorly when the system is swapping the memory.
#
# ---------------------------------- Network -----------------------------------
#
# Set the bind address to a specific IP (IPv4 or IPv6):
#
network.host: 127.0.0.1
#
# Set a custom port for HTTP:
#
http.port: 9200
#
# For more information, consult the network module documentation.
#
# --------------------------------- Discovery ----------------------------------
#
# Pass an initial list of hosts to perform discovery when new node is started:
# The default list of hosts is ["127.0.0.1", "[::1]"]
#
# 当启动节点时，通过这个Ip列表进行发现，组建集群默认节点127.0.0.1，标识ipv4的回环地址
# [::1]ipv6的回环地址
#
# es1.x默认组播 multicast
# es2.x 默认单播 unicast
# 注意：如果发现其他服务器中的es服务，可以不指定端口 （9300），如果发现同一个服务器的es服务，需要制定端口。
#
# 多播用于动态扩展配置
# discovery.zen.ping.multicast
# group,port,ttl,address
#
discovery.zen.ping.unicast.hosts: ["127.0.0.1:9300", "127.0.0.1:9301", "127.0.0.1:9302"]
#
# Prevent the "split brain" by configuring the majority of nodes (total number of master-eligible nodes / 2 + 1):
#
discovery.zen.minimum_master_nodes: 2
# 节点间心跳 秒
discovery.zen.ping_timeout: 10
#
# For more information, consult the zen discovery module documentation.
#
# ---------------------------------- Gateway -----------------------------------
#
# Block initial recovery after a full cluster restart until N nodes are started:
#
#gateway.recover_after_nodes: 3
#
# For more information, consult the gateway module documentation.
#
# ---------------------------------- Various -----------------------------------
#
# Require explicit names when deleting indices:
#
#action.destructive_requires_name: true