KairosDB 数据查询

KairosDB数据查询接口： http://localhost:8080/api/v1/datapoints/query

根据绝对时间来获取数据：文章源自运维生存时间-https://www.ttlsa.com/kairosdb/querying-data-in-kairosdb/

{
  "start_absolute":1,
  "metrics": [
    {
      "name": "archive.file.tracked"
    }
  ]
}

根据相对时间来获取数据：文章源自运维生存时间-https://www.ttlsa.com/kairosdb/querying-data-in-kairosdb/

{
  "start_relative":{"value":20,"unit":"weeks"},
  "metrics": [
    {
      "name": "archive.file.tracked"
    }
  ]
}

也可以指定一个end_absolute和end_relative。如果未指定结束时间视为现在。关于更多的REST API信息关注后面内容。文章源自运维生存时间-https://www.ttlsa.com/kairosdb/querying-data-in-kairosdb/

例如：文章源自运维生存时间-https://www.ttlsa.com/kairosdb/querying-data-in-kairosdb/

# curl -i -H "Content-type: application/json" -X POST -d '{ "start_relative":{"value":110,"unit":"minutes"},  "metrics": [    {"name": "proc.loadavg.1m"    }  ]}' http://10.0.101.145:8080/api/v1/datapoints/query
HTTP/1.1 200 OK
Access-Control-Allow-Origin: *
Pragma: no-cache
Cache-Control: no-cache
Expires: 0
Content-Type: application/json; charset=UTF-8
Transfer-Encoding: chunked
Server: Jetty(8.1.8.v20121106)

{"queries":[{"sample_size":80,"results":[{"name":"proc.loadavg.1m","tags":{"host":["10.0.101.115","10.0.101.145"]},"values":[[1409200806048,0],[1409200807056,0],[1409200808063,0],[1409200809071,0],[1409200810079,0],[1409200811087,0],[1409200812095,0],[1409200813103,0],[1409200814111,0],[1409200815119,0],[1409200816127,0],[1409200817136,0],[1409200818144,0],[1409200819153,0],[1409200820160,0],[1409200821168,0],[1409200822176,0],[1409200823184,0],[1409200824192,0],[1409200825200,0],[1409200826207,0],[1409200827215,0],[1409200828223,0],[1409200829230,0],[1409200830238,0],[1409200831246,0],[1409200832253,0],[1409200833261,0],[1409200834269,0],[1409200835277,0],[1409200836285,0],[1409200837292,0],[1409200838300,0],[1409200839308,0],[1409200840317,0],[1409200841325,0],[1409200842333,0],[1409200843341,0],[1409200844349,0],[1409200845356,0],[1409200846364,0],[1409200847371,0],[1409200848379,0],[1409200849386,0],[1409200850394,0],[1409200851402,0],[1409200852409,0],[1409200853417,0],[1409200854424,0],[1409200855432,0],[1409200856440,0],[1409200857448,0],[1409200858456,0],[1409200859464,0],[1409200860473,0],[1409200861480,0],[1409200862488,0],[1409200863495,0],[1409200864503,0],[1409200865510,0],[1409200866518,0],[1409200867526,0],[1409200868534,0],[1409200869542,0],[1409200870550,0],[1409200871557,0],[1409200872566,0],[1409200873573,0],[1409200874581,0],[1409200875590,0],[1409200876598,0],[1409200877606,0],[1409200878615,0],[1409200879624,0],[1409200880632,0],[1409200881640,0],[1409200882648,0],[1409200883655,0],[1409200884663,0],[1409200885671,0]]}]}]}