ElasticSearch之Clear cache API

合集 - ElasticSearch(59)

1.ElasticSearch之安装2023-11-212.ElasticSearch之查看集群的参数2023-11-223.ElasticSearch之健康状态2023-11-224.ElasticSearch的日志配置2023-11-225.ElasticSearch之cat aliases API2023-11-236.ElasticSearch之Health API2023-11-237.ElasticSearch之Nodes info API2023-11-238.ElasticSearch之系统关键配置2023-11-239.ElasticSearch之cat allocation API2023-11-2310.ElasticSearch之cat anomaly detectors API2023-11-2311.ElasticSearch之cat component templates API2023-11-2312.ElasticSearch之配置2023-11-2313.ElasticSearch之cat count API2023-11-2314.ElasticSearch之cat data frame analytics API2023-11-2415.ElasticSearch之禁用交换分区2023-11-2416.ElasticSearch之虚拟内存2023-11-2417.ElasticSearch之文件描述符的数量2023-11-2518.ElasticSearch之线程的数量2023-11-2519.ElasticSearch之cat datafeeds API2023-11-2520.ElasticSearch之cat fielddata API2023-11-2521.ElasticSearch之cat health API2023-11-2522.ElasticSearch之cat indices API2023-11-2823.ElasticSearch之cat master API2023-11-2824.ElasticSearch之cat nodeattrs API2023-11-2825.ElasticSearch之线程池2023-11-2826.ElasticSearch之cat nodes API2023-11-2827.ElasticSearch之cat pending tasks API2023-11-2928.ElasticSearch之cat plugins API2023-11-2929.ElasticSearch之cat recovery API2023-11-2930.ElasticSearch之cat repositories API2023-11-2931.ElasticSearch之cat segments API2023-11-2932.ElasticSearch之cat shards API2023-11-2933.ElasticSearch之cat task management API2023-11-2934.ElasticSearch之cat templates API2023-11-2935.ElasticSearch之cat thread pool API2023-11-2936.ElasticSearch之Search settings2023-11-2937.ElasticSearch之cat trained model API2023-11-2938.ElasticSearch之cat transforms API2023-11-2939.ElasticSearch之Merge2023-11-3040.ElasticSearch之Force merge API2023-11-3041.ElasticSearch之Task management API2023-11-3042.ElasticSearch之Slow Log2023-12-0143.ElasticSearch之Analyze index disk usage API2023-12-02

44.ElasticSearch之Clear cache API2023-12-02

45.ElasticSearch之Create index API2023-12-0246.ElasticSearch之Clone index API2023-12-0247.ElasticSearch之Close index API2023-12-0248.ElasticSearch之Open index API2023-12-0249.ElasticSearch之Delete index API2023-12-0250.ElasticSearch之Exists API2023-12-0251.ElasticSearch之Get index API2023-12-0252.ElasticSearch之Get index settings API2023-12-0253.ElasticSearch之Index stats API2023-12-0254.ElasticSearch之Refresh API2023-12-0255.ElasticSearch之Shard request cache settings2023-12-0956.ElasticSearch之Node query cache settings2023-12-1157.ElasticSearch之Index modules2023-12-1758.ElasticSearch之集群中的节点2024-10-0559.ElasticSearch之网络配置2024-10-06

收起

本方法用于清理缓存。

命令样例如下：

curl -X POST "https://localhost:9200/testindex_001/_cache/clear?pretty" --cacert $ES_HOME/config/certs/http_ca.crt -u "elastic:ohCxPH=QBE+s5=*lo7F9"

执行结果的样例，如下：

{
  "_shards" : {
    "total" : 2,
    "successful" : 1,
    "failed" : 0
  }
}

方法参数
fielddata，默认值为false。

• true，清理字段相关的缓存。
• false，不清理字段的缓存。

fields，默认值为全部字段，否则只清理指定的字段。

ignore_unavailable，默认值为false。

• true，本操作执行时跳过失效或者不可用的index。
• false，本操作执行时，遇到失效或者不可用的index，则报错，样例如下：

  {
    "error" : {
        "root_cause" : [
        {
            "type" : "index_not_found_exception",
            "reason" : "no such index [testindex_002]",
            "resource.type" : "index_or_alias",
            "resource.id" : "testindex_002",
            "index_uuid" : "_na_",
            "index" : "testindex_002"
        }
        ],
        "type" : "index_not_found_exception",
        "reason" : "no such index [testindex_002]",
        "resource.type" : "index_or_alias",
        "resource.id" : "testindex_002",
        "index_uuid" : "_na_",
        "index" : "testindex_002"
    },
    "status" : 404
  }

query，默认值为false。

• true，清理query的缓存。
• false

request，默认值为false。

• true，清理request的缓存。
• false

相关资料

• Clear cache API