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[经验分享] ES配置文件中文版

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YunVN网友  发表于 2019-1-29 14:19:15 |阅读模式
##################### Elasticsearch Configuration Example #####################  

  
# This file contains an overview of various configuration settings,
  
# targeted at operations staff. Application developers should
  
# consult the guide at .
  
#
  
# The installation procedure is covered at
  
# .
  
#
  
# Elasticsearch comes with reasonable defaults for most settings,
  
# so you can try it out without bothering with configuration.
  
#
  
# Most of the time, these defaults are just fine for running a production
  
# cluster. If you're fine-tuning your cluster, or wondering about the
  
# effect of certain configuration option, please _do ask_ on the
  
# mailing list or IRC channel [http://elasticsearch.org/community].
  

  
# Any element in the configuration can be replaced with environment variables
  
# by placing them in ${...} notation. For example:
  
#所有的配置都可以使用环境变量,例如
  
#node.rack: ${RACK_ENV_VAR}
  

  
# For information on supported formats and syntax for the config file, see
  
#
  

  

  
################################### Cluster ###################################
  

  
# Cluster name identifies your cluster for auto-discovery. If you're running
  
# multiple clusters on the same network, make sure you're using unique names.
  
# 集群名称,默认为elasticsearch
  
#cluster.name: elasticsearch
  

  

  
#################################### Node #####################################
  

  
# Node names are generated dynamically on startup, so you're relieved
  
# from configuring them manually. You can tie this node to a specific name:
  
#节点名称,es启动时会自动创建节点名称,但你也可进行配置
  
#这些名称默认是在es的lib目录下的elasticsearch-1.4.4.jar文件中的config目录下的names.txt文件中
  
#node.name: "Franz Kafka"
  

  
# Every node can be configured to allow or deny being eligible as the master,
  
# and to allow or deny to store the data.
  
#
  
# Allow this node to be eligible as a master node (enabled by default):
  
#(是否具备成为主节点的资格)是否作为主节点,每个节点都可以被配置成为主节点,默认值为true:
  
#node.master: true
  
#
  
# Allow this node to store data (enabled by default):
  
#是否存储数据,即存储索引片段,默认值为true
  
#node.data: true
  

  
# You can exploit these settings to design advanced cluster topologies.
  
#当master为false,而data为true时,会对该节点产生严重负荷;
  
# 1. You want this node to never become a master node, only to hold data.
  
#    This will be the "workhorse" of your cluster.
  
#
  
#node.master: false
  
#node.data: true
  
#当master为true,而data为false时,该节点作为一个协调者;
  
# 2. You want this node to only serve as a master: to not store any data and
  
#    to have free resources. This will be the "coordinator" of your cluster.
  
#
  
#node.master: true
  
#node.data: false
  
#当master为false,data也为false时,该节点就变成了一个负载均衡器。
  
# 3. You want this node to be neither master nor data node, but
  
#    to act as a "search load balancer" (fetching data from nodes,
  
#    aggregating results, etc.)
  
#
  
#node.master: false
  
#node.data: false
  

  
# Use the Cluster Health API [http://localhost:9200/_cluster/health], the
  
# Node Info API [http://localhost:9200/_nodes] or GUI tools
  
# such as ,
  
# ,
  
#  and
  
#  to inspect the cluster state.
  

  
# A node can have generic attributes associated with it, which can later be used
  
# for customized shard allocation filtering, or allocation awareness. An attribute
  
# is a simple key value pair, similar to node.key: value, here is an example:
  
#每个节点都可以定义一些与之关联的通用属性,用于后期集群进行分片分配时的过滤:
  
#node.rack: rack314
  

  
# By default, multiple nodes are allowed to start from the same installation location
  
# to disable it, set the following:
  
#默认情况下,多个节点可以在同一个安装路径启动,如果你想让你的es只启动一个节点,可以进行如下设置:
  
#node.max_local_storage_nodes: 1
  

  

  
#################################### Index ####################################
  

  
# You can set a number of options (such as shard/replica options, mapping
  
# or analyzer definitions, translog settings, ...) for indices globally,
  
# in this file.
  
#
  
# Note, that it makes more sense to configure index settings specifically for
  
# a certain index, either when creating it or by using the index templates API.
  
#
  
# See  and
  
#
  
# for more information.
  

  
# Set the number of shards (splits) of an index (5 by default):
  
#设置一个索引库的分片数量,默认值为5:
  
#index.number_of_shards: 5
  

  
# Set the number of replicas (additional copies) of an index (1 by default):
  
#设置一个索引库可被复制的数量,默认值为1:
  
#index.number_of_replicas: 1
  

  
# Note, that for development on a local machine, with small indices, it usually
  
# makes sense to "disable" the distributed features:
  
#当你想要禁用分布式时,你可以进行如下设置:
  
#index.number_of_shards: 1
  
#index.number_of_replicas: 0
  

  
# These settings directly affect the performance of index and search operations
  
# in your cluster. Assuming you have enough machines to hold shards and
  
# replicas, the rule of thumb is:
  
# 这两个属性的设置直接影响集群中索引和搜索操作的执行。假设你有足够的机器来持有分片和复制品,
  
#    那么可以按如下规则设置这两个值:
  
# 1. Having more *shards* enhances the _indexing_ performance and allows to
  
#    _distribute_ a big index across machines.
  
#拥有更多的分片可以提升索引执行能力,并允许通过机器分发一个大型的索引;
  
# 2. Having more *replicas* enhances the _search_ performance and improves the
  
#    cluster _availability_.
  
#拥有更多的×××能够提升搜索执行能力以及集群能力。
  
# The "number_of_shards" is a one-time setting for an index.
  
#对于一个索引来说,number_of_shards只能设置一次
  
# The "number_of_replicas" can be increased or decreased anytime,
  
# by using the Index Update Settings API.
  
#而number_of_replicas可以使用索引更新设置API在任何时候被增加或者减少
  
#
  
# Elasticsearch takes care about load balancing, relocating, gathering the
  
# results from nodes, etc. Experiment with different settings to fine-tune
  
# your setup.
  
# ElasticSearch关注负载均衡、迁移、从节点聚集结果等等。可以尝试多种设计来完成这些功能。
  
# Use the Index Status API () to inspect
  
# the index status.
  
#可以连接http://localhost:9200/A/_status来检测索引的状态。
  

  

  
#################################### Paths ####################################
  

  
# Path to directory containing configuration (this file and logging.yml):
  
#配置文件所在的位置,即elasticsearch.yml和logging.yml所在的位置:
  
#path.conf: /path/to/conf
  

  
# Path to directory where to store index data allocated for this node.
  
#分配给当前节点的索引数据所在的位置:
  
#path.data: /path/to/data
  
#
  
# Can optionally include more than one location, causing data to be striped across
  
# the locations (a la RAID 0) on a file level, favouring locations with most free
  
# space on creation. For example:
  
#可以可选择的包含一个以上的位置,使得数据在文件级别跨越位置,这样在创建时就有更多的自由路径,如:
  
#path.data: /path/to/data1,/path/to/data2
  

  
# Path to temporary files:
  
# 临时文件位置:
  
#path.work: /path/to/work
  

  
# Path to log files:
  
#日志文件所在位置:
  
#path.logs: /path/to/logs
  

  
# Path to where plugins are installed:
  
# 插件安装位置:
  
#path.plugins: /path/to/plugins
  

  

  
#################################### Plugin ###################################
  

  
# If a plugin listed here is not installed for current node, the node will not start.
  
#若列表中的某一个插件未安装,则节点无法启动:
  
#plugin.mandatory: mapper-attachments,lang-groovy
  

  

  
################################### Memory ####################################
  

  
# Elasticsearch performs poorly when JVM starts swapping: you should ensure that
  
# it _never_ swaps.
  
#
  
# Set this property to true to lock the memory:
  
#JVM开始交换时,ElasticSearch表现并不好:你需要保障JVM不进行交换,可以将bootstrap.mlockall设置为true禁止交换
  
#bootstrap.mlockall: true
  

  
# Make sure that the ES_MIN_MEM and ES_MAX_MEM environment variables are set
  
# to the same value, and that the machine has enough memory to allocate
  
# for Elasticsearch, leaving enough memory for the operating system itself.
  
#请确保ES_MIN_MEM和ES_MAX_MEM的值是一样的,并且能够为ElasticSearch分配足够的内在,并为系统操作保留足够的内存
  
# You should also make sure that the Elasticsearch process is allowed to lock
  
# the memory, eg. by using `ulimit -l unlimited`.
  
#你应该确保Elasticsearch 进程可以锁定内存。通过使用"ulimit -l unlimited"
  

  
############################## Network And HTTP ###############################
  

  
# Elasticsearch, by default, binds itself to the 0.0.0.0 address, and listens
  
# on port [9200-9300] for HTTP traffic and on port [9300-9400] for node-to-node
  
# communication. (the range means that if the port is busy, it will automatically
  
# try the next port).
  
# 默认情况下,ElasticSearch使用0.0.0.0地址,并为http传输开启9200-9300端口,
  
#    为节点到节点的通信开启9300-9400端口,也可以自行设置IP地址
  
#    (如果节点被占用了,es将会自动尝试使用下一个端口)
  
# Set the bind address specifically (IPv4 or IPv6):
  
#
  
#network.bind_host: 192.168.0.1
  

  
# Set the address other nodes will use to communicate with this node. If not
  
# set, it is automatically derived. It must point to an actual IP address.
  
# publish_host设置其他节点连接此节点的地址,如果不设置的话,则自动获取,publish_host的地址必须为真实地址
  
#network.publish_host: 192.168.0.1
  

  
# Set both 'bind_host' and 'publish_host':
  
#bind_host和publish_host可以一起设置
  
#network.host: 192.168.0.1
  

  
# Set a custom port for the node to node communication (9300 by default):
  
#可以定制该节点与其他节点交互的端口
  
#transport.tcp.port: 9300
  

  
# Enable compression for all communication between nodes (disabled by default):
  
#节点间交互时,可以设置是否压缩,默认为不压缩
  
#transport.tcp.compress: true
  

  
# Set a custom port to listen for HTTP traffic:
  
#可以为Http传输监听定制端口
  
#http.port: 9200
  

  
# Set a custom allowed content length:
  
#设置内容的最大长度
  
#http.max_content_length: 100mb
  

  
# Disable HTTP completely:
  
#禁止HTTP
  
#http.enabled: false
  

  

  
################################### Gateway ###################################
  

  
# The gateway allows for persisting the cluster state between full cluster
  
# restarts. Every change to the state (such as adding an index) will be stored
  
# in the gateway, and when the cluster starts up for the first time,
  
# it will read its state from the gateway.
  
# 网关允许在所有集群重启后持有集群状态,集群状态的变更都会被保存下来,
  
#    当第一次启用集群时,可以从网关中读取到状态,
  

  
# There are several types of gateway implementations. For more information, see
  
# .
  

  
# The default gateway type is the "local" gateway (recommended):
  
#默认文件类型是本地local:
  
#gateway.type: local
  

  
# Settings below control how and when to start the initial recovery process on
  
# a full cluster restart (to reuse as much local data as possible when using shared
  
# gateway).
  

  
# Allow recovery process after N nodes in a cluster are up:
  
#允许在N个节点启动后恢复过程
  
#gateway.recover_after_nodes: 1
  

  
# Set the timeout to initiate the recovery process, once the N nodes
  
# from previous setting are up (accepts time value):
  
#设置初始化恢复过程的超时时间
  
#gateway.recover_after_time: 5m
  

  
# Set how many nodes are expected in this cluster. Once these N nodes
  
# are up (and recover_after_nodes is met), begin recovery process immediately
  
# (without waiting for recover_after_time to expire):
  
#设置该集群中可存在的节点上限
  
#gateway.expected_nodes: 2
  

  

  
############################# Recovery Throttling #############################
  

  
# These settings allow to control the process of shards allocation between
  
# nodes during initial recovery, replica allocation, rebalancing,
  
# or when adding and removing nodes.
  

  
# Set the number of concurrent recoveries happening on a node:
  
#设置一个节点的并发数量,有两种情况,
  
#一种是在初始复苏过程中:
  
# 1. During the initial recovery
  
#
  
#cluster.routing.allocation.node_initial_primaries_recoveries: 4
  
#
  
# 2. During adding/removing nodes, rebalancing, etc
  
#另一种是在添加、删除节点及调整时:
  
#cluster.routing.allocation.node_concurrent_recoveries: 2
  

  
# Set to throttle throughput when recovering (eg. 100mb, by default 20mb):
  
#设置复苏时的吞吐量,默认情况下是无限的
  
#indices.recovery.max_bytes_per_sec: 20mb
  

  
# Set to limit the number of open concurrent streams when
  
# recovering a shard from a peer:
  
#设置从对等节点恢复片段时打开的流的数量上限
  
#indices.recovery.concurrent_streams: 5
  

  

  
################################## Discovery ##################################
  

  
# Discovery infrastructure ensures nodes can be found within a cluster
  
# and master node is elected. Multicast discovery is the default.
  

  
# Set to ensure a node sees N other master eligible nodes to be considered
  
# operational within the cluster. This should be set to a quorum/majority of
  
# the master-eligible nodes in the cluster.
  
#设置一个集群中主节点的数量,当多于三个节点时,该值可在2-4之间
  
#discovery.zen.minimum_master_nodes: 1
  

  
# Set the time to wait for ping responses from other nodes when discovering.
  
# Set this option to a higher value on a slow or congested network
  
# to minimize discovery failures:
  
#设置ping其他节点时的超时时间,网络比较慢时可将该值设大
  
#discovery.zen.ping.timeout: 3s
  

  
# For more information, see
  
#
  

  
# Unicast discovery allows to explicitly control which nodes will be used
  
# to discover the cluster. It can be used when multicast is not present,
  
# or to restrict the cluster communication-wise.
  
#
  
# 1. Disable multicast discovery (enabled by default):
  
# 禁止当前节点发现多个集群节点,
  
# 默认启用发现节点机制,设为false的话表示禁用自动发现机制
  
#discovery.zen.ping.multicast.enabled: false
  
#
  
# 2. Configure an initial list of master nodes in the cluster
  
#    to perform discovery when new nodes (master or data) are started:
  
#设置新节点被启动时能够发现的主节点列表
  
#discovery.zen.ping.unicast.hosts: ["host1", "host2:port"]
  

  
# EC2 discovery allows to use AWS EC2 API in order to perform discovery.
  
#
  
# You have to install the cloud-aws plugin for enabling the EC2 discovery.
  
#
  
# For more information, see
  
#
  
#
  
# See
  
# for a step-by-step tutorial.
  

  
# GCE discovery allows to use Google Compute Engine API in order to perform discovery.
  
#
  
# You have to install the cloud-gce plugin for enabling the GCE discovery.
  
#
  
# For more information, see .
  

  
# Azure discovery allows to use Azure API in order to perform discovery.
  
#
  
# You have to install the cloud-azure plugin for enabling the Azure discovery.
  
#
  
# For more information, see .
  

  
################################## Slow Log ##################################
  

  
# Shard level query and fetch threshold logging.
  

  
#index.search.slowlog.threshold.query.warn: 10s
  
#index.search.slowlog.threshold.query.info: 5s
  
#index.search.slowlog.threshold.query.debug: 2s
  
#index.search.slowlog.threshold.query.trace: 500ms
  

  
#index.search.slowlog.threshold.fetch.warn: 1s
  
#index.search.slowlog.threshold.fetch.info: 800ms
  
#index.search.slowlog.threshold.fetch.debug: 500ms
  
#index.search.slowlog.threshold.fetch.trace: 200ms
  

  
#index.indexing.slowlog.threshold.index.warn: 10s
  
#index.indexing.slowlog.threshold.index.info: 5s
  
#index.indexing.slowlog.threshold.index.debug: 2s
  
#index.indexing.slowlog.threshold.index.trace: 500ms
  

  
################################## GC Logging ################################
  

  
#monitor.jvm.gc.young.warn: 1000ms
  
#monitor.jvm.gc.young.info: 700ms
  
#monitor.jvm.gc.young.debug: 400ms
  

  
#monitor.jvm.gc.old.warn: 10s
  
#monitor.jvm.gc.old.info: 5s
  
#monitor.jvm.gc.old.debug: 2s
  

  
################################## Security ################################
  

  
# Uncomment if you want to enable JSONP as a valid return transport on the
  
# http server. With this enabled, it may pose a security risk, so disabling
  
# it unless you need it is recommended (it is disabled by default).
  
#如果你想要启用JSONP作为HTTP服务器的有效传输的话取消注释。
  
#启用此功能,它可能会带来风险。因此,禁用它,除非你必须需要它(默认禁用)
  
#http.jsonp.enable: true



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