elasticsearch运维常用命令

elasticsearch内存设置：

  1. export ES_HEAP_SIZE=10g

或者启动的时候设置参数，确保Xmx和Xms大小相等:
./bin/elasticsearch -Xmx10g -Xms10g

启动进程：

./elasticsearch -d

查看es进程：

ps -ef | grep elastic

kill进程：

kill pid

cat系列

  1. _cat系列提供了一系列查询elasticsearch集群状态的接口，可以通过执行
  2. curl -XGET localhost:9200/_cat获取所有_cat系列的操作：
  3. /_cat/allocation
  4. /_cat/shards
  5. /_cat/shards/{index}
  6. /_cat/master
  7. /_cat/nodes
  8. /_cat/indices
  9. /_cat/indices/{index}
  10. /_cat/segments
  11. /_cat/segments/{index}
  12. /_cat/count
  13. /_cat/count/{index}
  14. /_cat/recovery
  15. /_cat/recovery/{index}
  16. /_cat/health
  17. /_cat/pending_tasks
  18. /_cat/aliases
  19. /_cat/aliases/{alias}
  20. /_cat/thread_pool
  21. /_cat/plugins
  22. /_cat/fielddata
  23. /_cat/fielddata/{fields}
  24. 可以后面加一个v，让输出内容表格显示表头，命令示例：
  25. 命令示例：
  26. 显示所有索引：
  27. curl '10.116.182.65:9200/_cat/indices?v'   
  28. 显示线程信息：
  29. curl '10.110.79.24:9200/_cat/thread_pool?v'
  30. 显示结点：
  31. curl '10.110.79.24:9200/_cat/nodes'

cluster系列

  1. 1、查询设置集群状态
  2. curl -XGET localhost:9200/_cluster/health?pretty=true
  3. pretty=true  表示格式化输出
  4. level=indices 表示显示索引状态
  5. level=shards 表示显示分片信息
  7. 2、curl -XGET 10.116.182.65:9200/_cluster/stats?pretty=true
  8. 显示集群系统信息，包括CPU JVM等等
  10. 3、curl -XGET 10.116.182.65:9200/_cluster/state?pretty=true
  11. 集群的详细信息。包括节点、分片等
  13. 3、curl -XGET 10.116.182.65:9200/_cluster/pending_tasks?pretty=true
  14. 获取集群堆积的任务
  16. 4、修改集群配置
  17. 举例：
  18. curl -XPUT localhost:9200/_cluster/settings -d '{
  19.     "persistent" : {
  20.         "discovery.zen.minimum_master_nodes" : 2
  21.     }
  22. }'
  23. transient 表示临时的，persistent表示永久的
  25. 5、curl -XPOST 'localhost:9200/_cluster/reroute' -d 'xxxxxx'
  26. 对shard的手动控制
  28. 6、关闭节点
  29. 关闭指定192.168.1.1节点
  30. curl -XPOST 'http://192.168.1.1:9200/_cluster/nodes/_local/_shutdown'
  31. curl -XPOST 'http://localhost:9200/_cluster/nodes/192.168.1.1/_shutdown'
  32. 关闭主节点
  33. curl -XPOST 'http://localhost:9200/_cluster/nodes/_master/_shutdown'
  34. 关闭整个集群
  35. curl -XPOST 'http://localhost:9200/_shutdown?delay=10s'
  36. curl -XPOST 'http://localhost:9200/_cluster/nodes/_shutdown'
  37. curl -XPOST 'http://localhost:9200/_cluster/nodes/_all/_shutdown'
  38. delay=10s表示延迟10秒关闭

nodes系列

  1. 1、查询节点的状态
  2. curl -XGET 'http://localhost:9200/_nodes/stats?pretty=true'
  3. curl -XGET 'http://localhost:9200/_nodes/192.168.1.2/stats?pretty=true'
  4. curl -XGET 'http://localhost:9200/_nodes/process'
  5. curl -XGET 'http://localhost:9200/_nodes/_all/process'
  6. curl -XGET 'http://localhost:9200/_nodes/192.168.1.2,192.168.1.3/jvm,process'
  7. curl -XGET 'http://localhost:9200/_nodes/192.168.1.2,192.168.1.3/info/jvm,process'
  8. curl -XGET 'http://localhost:9200/_nodes/192.168.1.2,192.168.1.3/_all
  9. curl -XGET 'http://localhost:9200/_nodes/hot_threads

索引操作

  1. 创建索引：
  2. curl -XPUT 'http://10.202.153.58:9200/fvp~oncarsummary/oncarsummary'
  3. curl -XPUT 'http://10.202.153.58:9200/fvp~onaviationtasksummary/onaviationtasksummary'
  5. 查看所有索引 ：
  6. curl '10.202.34.211:9200/_cat/indices?v'  
  8. 索引数据
  9. curl -XPOST 'http://localhost:9200/{index}/{type}/{id}' -d'{"a":"avalue","b":"bvalue"}'
  10. curl -XPUT 'http://localhost:9200/{index}/{type}/{id}' -d'{"a":"avalue","b":"bvalue"}'
  12. 查询索引：
  13. curl -XGET '10.202.34.211:9200/fvp~onaviationtasksummary/fvp/_search?q=*&pretty'
  14. curl -XGET '10.202.34.211:9200/fvp~oncarsummary/fvp/_search?q=*&pretty'
  16. GET /megacorp/employee/_search //查询全部员工
  17. GET /megacorp/employee/_search?q=last_name:Smith //查询last_name为Smith的员工
  18. curl -XGET http://10.110.79.22:9200/new-sgs-rbil-core-system-dds-next-tcs-server-core-dcn-2017-06-27/record/_search?pretty -d '{
  19.     "query": {
  20.         "match": {
  21.             "@message": "b241defa715b52fa56bca5fd0d81530e"
  22.         }
  23.     }
  24. }'
  26. 删除索引
  27. curl -XDELETE 'http://localhost:9200/{index}/{type}/{id}'
  30. 获取mapping
  31. curl -XGET http://localhost:9200/{index}/{type}/_mapping?pretty
  33. 刷新索引：
  34. curl -XPOST 'http://localhost:9200/kimchy,elasticsearch/_refresh'
  35. curl -XPOST 'http://localhost:9200/_refresh'
  37. 设置mapping:
  38. curl -XPOST "http://127.0.0.1:9200/productindex/product/_mapping?pretty" -d ' 
  39. {
  40.     "product": {
  41.             "properties": {
  42.                 "title": {
  43.                     "type": "string",
  44.                     "store": "yes"
  45.                 },
  46.                 "description": {
  47.                     "type": "string",
  48.                     "index": "not_analyzed"
  49.                 },
  50.                 "price": {
  51.                     "type": "double"
  52.                 },
  53.                 "onSale": {
  54.                     "type": "boolean"
  55.                 },
  56.                 "type": {
  57.                     "type": "integer"
  58.                 },
  59.                 "createDate": {
  60.                     "type": "date"
  61.                 }
  62.             }
  63.         }
  64.   }
  65. '

模板操作

  1. 统计ES某个索引数据量：
  2. curl -XGET '10.110.79.22:9200/_cat/count/new-sgs-rbil-core-system-dds-next-tcs-server-core-dcn-2017-06-27'
  4. 查看模板：
  5. curl -XGET 10.116.182.65:9200/_template/fvp_waybillnewstatus_template
  7. 设置模板：
  8. curl -XPUT http://10.116.182.65:9200/_template/fvp_waybillnewstatus_template?pretty -d ' 
  9. {
  10.     "order" : 1,
  11.     "template" : "fvp~waybillnewstatus*",
  12.     "mappings" : {
  13.       "record" : {
  14.         "properties" : {
  15.           "barOpDeptCode" : {
  16.             "type" : "string",
  17.             "index" : "not_analyzed"
  18.           },
  19.           "barScanTime" : {
  20.             "type" : "date"
  21.           },
  22.           "containerNo" : {
  23.             "type" : "string",
  24.             "index" : "not_analyzed"
  25.           },
  26.           "deliveryCityCode" : {
  27.             "type" : "string",
  28.             "index" : "not_analyzed"
  29.           },
  30.           "deliveryDeptCode" : {
  31.             "type" : "string",
  32.             "index" : "not_analyzed"
  33.           },
  34.           "intermediateContrNo" : {
  35.             "type" : "string",
  36.             "index" : "not_analyzed"
  37.           },
  38.           "meterageWeightQty" : {
  39.             "type" : "double",
  40.             "index" : "not_analyzed"
  41.           },
  42.           "opCode" : {
  43.             "type" : "string",
  44.             "index" : "not_analyzed"
  45.           },
  46.           "pickupCityCode" : {
  47.             "type" : "string",
  48.             "index" : "not_analyzed"
  49.           },
  50.           "pickupDeptCode" : {
  51.             "type" : "string",
  52.             "index" : "not_analyzed"
  53.           },
  54.           "productType" : {
  55.             "type" : "string",
  56.             "index" : "not_analyzed"
  57.           },
  58.           "quantity" : {
  59.             "type" : "long"
  60.           },
  61.           "taskId" : {
  62.             "type" : "string",
  63.             "index" : "not_analyzed"
  64.           },
  65.           "@timestamp" : {
  66.             "type" : "date",
  67.             "format" : "strict_date_optional_time||epoch_millis"
  68.           },
  69.  "timestamp" : {
  70.             "type" : "date",
  71.             "format" : "strict_date_optional_time||epoch_millis"
  72.           },
  73.           "transportStatus" : {
  74.             "type" : "string",
  75.             "index" : "not_analyzed"
  76.           },
  77.           "waybillNo" : {
  78.             "type" : "string",
  79.             "index" : "not_analyzed"
  80.           }
  81.         }
  82.       }
  83.     }
  84. }'
  86. 删除模板
  87. curl -XDELETE localhost:9200/_template/template_1 
  89. 设置threadpool：
  90. threadpool:
  91.     bulk:
  92.         type: fixed
  93.         size: 60
  94.         queue_size: 1000

ES慢日志设置：

  1. index.search.slowlog.level: TRACE
  2. index.search.slowlog.threshold.query.warn: 10s
  3. index.search.slowlog.threshold.query.info: 5s
  4. index.search.slowlog.threshold.query.debug: 2s
  5. index.search.slowlog.threshold.query.trace: 500ms
  6. index.search.slowlog.threshold.fetch.warn: 1s
  7. index.search.slowlog.threshold.fetch.info: 800ms
  8. index.search.slowlog.threshold.fetch.debug:500ms
  9. index.search.slowlog.threshold.fetch.trace: 200ms

zen设置:

  1. discovery.zen.ping.timeout: 100s
  2. discovery.zen.ping.multicast.enabled: false
  3. 设置是否打开多播发现节点，默认是true。
文档更新时间: 2021-05-19 11:24   作者：张尚