Metrics API

HugeGraph 提供了获取监控信息的 Metrics 接口，比如各个 Gremlin 执行时间的统计、缓存的占用大小等。Metrics 接口包括如下几类：基础指标、统计指标、系统指标、后端存储指标。

1. 基础指标

1.1 获取所有基础指标

Params
  • type：如果传值为json，则以 json 格式返回，否则以 Promethaus 格式返回。
1.1.1 Method & Url
  1. http://localhost:8080/metrics/?type=json
Response Status
  1. 200
Response Body
  1. {
  2.   "gauges": {
  3.     "org.apache.hugegraph.backend.cache.Cache.edge-hugegraph.capacity": {
  4.       "value": 1000000
  5.     },
  6.     "org.apache.hugegraph.backend.cache.Cache.edge-hugegraph.expire": {
  7.       "value": 600000
  8.     },
  9.     "org.apache.hugegraph.backend.cache.Cache.edge-hugegraph.hits": {
  10.       "value": 0
  11.     },
  12.     "org.apache.hugegraph.backend.cache.Cache.edge-hugegraph.miss": {
  13.       "value": 0
  14.     },
  15.     "org.apache.hugegraph.backend.cache.Cache.edge-hugegraph.size": {
  16.       "value": 0
  17.     },
  18.     "org.apache.hugegraph.backend.cache.Cache.instances": {
  19.       "value": 7
  20.     },
  21.     "org.apache.hugegraph.backend.cache.Cache.schema-id-hugegraph.capacity": {
  22.       "value": 10000
  23.     },
  24.     "org.apache.hugegraph.backend.cache.Cache.schema-id-hugegraph.expire": {
  25.       "value": 0
  26.     },
  27.     "org.apache.hugegraph.backend.cache.Cache.schema-id-hugegraph.hits": {
  28.       "value": 0
  29.     },
  30.     "org.apache.hugegraph.backend.cache.Cache.schema-id-hugegraph.miss": {
  31.       "value": 0
  32.     },
  33.     "org.apache.hugegraph.backend.cache.Cache.schema-id-hugegraph.size": {
  34.       "value": 17
  35.     },
  36.     "org.apache.hugegraph.backend.cache.Cache.schema-name-hugegraph.capacity": {
  37.       "value": 10000
  38.     },
  39.     "org.apache.hugegraph.backend.cache.Cache.schema-name-hugegraph.expire": {
  40.       "value": 0
  41.     },
  42.     "org.apache.hugegraph.backend.cache.Cache.schema-name-hugegraph.hits": {
  43.       "value": 0
  44.     },
  45.     "org.apache.hugegraph.backend.cache.Cache.schema-name-hugegraph.miss": {
  46.       "value": 0
  47.     },
  48.     "org.apache.hugegraph.backend.cache.Cache.schema-name-hugegraph.size": {
  49.       "value": 17
  50.     },
  51.     "org.apache.hugegraph.backend.cache.Cache.token-hugegraph.capacity": {
  52.       "value": 10240
  53.     },
  54.     "org.apache.hugegraph.backend.cache.Cache.token-hugegraph.expire": {
  55.       "value": 600000
  56.     },
  57.     "org.apache.hugegraph.backend.cache.Cache.token-hugegraph.hits": {
  58.       "value": 0
  59.     },
  60.     "org.apache.hugegraph.backend.cache.Cache.token-hugegraph.miss": {
  61.       "value": 0
  62.     },
  63.     "org.apache.hugegraph.backend.cache.Cache.token-hugegraph.size": {
  64.       "value": 0
  65.     },
  66.     "org.apache.hugegraph.backend.cache.Cache.users-hugegraph.capacity": {
  67.       "value": 10240
  68.     },
  69.     "org.apache.hugegraph.backend.cache.Cache.users-hugegraph.expire": {
  70.       "value": 600000
  71.     },
  72.     "org.apache.hugegraph.backend.cache.Cache.users-hugegraph.hits": {
  73.       "value": 0
  74.     },
  75.     "org.apache.hugegraph.backend.cache.Cache.users-hugegraph.miss": {
  76.       "value": 0
  77.     },
  78.     "org.apache.hugegraph.backend.cache.Cache.users-hugegraph.size": {
  79.       "value": 0
  80.     },
  81.     "org.apache.hugegraph.backend.cache.Cache.users_pwd-hugegraph.capacity": {
  82.       "value": 10240
  83.     },
  84.     "org.apache.hugegraph.backend.cache.Cache.users_pwd-hugegraph.expire": {
  85.       "value": 600000
  86.     },
  87.     "org.apache.hugegraph.backend.cache.Cache.users_pwd-hugegraph.hits": {
  88.       "value": 0
  89.     },
  90.     "org.apache.hugegraph.backend.cache.Cache.users_pwd-hugegraph.miss": {
  91.       "value": 0
  92.     },
  93.     "org.apache.hugegraph.backend.cache.Cache.users_pwd-hugegraph.size": {
  94.       "value": 0
  95.     },
  96.     "org.apache.hugegraph.backend.cache.Cache.vertex-hugegraph.capacity": {
  97.       "value": 10000000
  98.     },
  99.     "org.apache.hugegraph.backend.cache.Cache.vertex-hugegraph.expire": {
  100.       "value": 600000
  101.     },
  102.     "org.apache.hugegraph.backend.cache.Cache.vertex-hugegraph.hits": {
  103.       "value": 0
  104.     },
  105.     "org.apache.hugegraph.backend.cache.Cache.vertex-hugegraph.miss": {
  106.       "value": 0
  107.     },
  108.     "org.apache.hugegraph.backend.cache.Cache.vertex-hugegraph.size": {
  109.       "value": 0
  110.     },
  111.     "org.apache.hugegraph.server.RestServer.max-write-threads": {
  112.       "value": 0
  113.     },
  114.     "org.apache.hugegraph.task.TaskManager.pending-tasks": {
  115.       "value": 0
  116.     },
  117.     "org.apache.hugegraph.task.TaskManager.workers": {
  118.       "value": 4
  119.     },
  120.     "org.apache.tinkerpop.gremlin.server.GremlinServer.gremlin-groovy.sessionless.class-cache.average-load-penalty": {
  121.       "value": 922769200
  122.     },
  123.     "org.apache.tinkerpop.gremlin.server.GremlinServer.gremlin-groovy.sessionless.class-cache.estimated-size": {
  124.       "value": 2
  125.     },
  126.     "org.apache.tinkerpop.gremlin.server.GremlinServer.gremlin-groovy.sessionless.class-cache.eviction-count": {
  127.       "value": 0
  128.     },
  129.     "org.apache.tinkerpop.gremlin.server.GremlinServer.gremlin-groovy.sessionless.class-cache.eviction-weight": {
  130.       "value": 0
  131.     },
  132.     "org.apache.tinkerpop.gremlin.server.GremlinServer.gremlin-groovy.sessionless.class-cache.hit-count": {
  133.       "value": 0
  134.     },
  135.     "org.apache.tinkerpop.gremlin.server.GremlinServer.gremlin-groovy.sessionless.class-cache.hit-rate": {
  136.       "value": 0
  137.     },
  138.     "org.apache.tinkerpop.gremlin.server.GremlinServer.gremlin-groovy.sessionless.class-cache.load-count": {
  139.       "value": 2
  140.     },
  141.     "org.apache.tinkerpop.gremlin.server.GremlinServer.gremlin-groovy.sessionless.class-cache.load-failure-count": {
  142.       "value": 0
  143.     },
  144.     "org.apache.tinkerpop.gremlin.server.GremlinServer.gremlin-groovy.sessionless.class-cache.load-failure-rate": {
  145.       "value": 0
  146.     },
  147.     "org.apache.tinkerpop.gremlin.server.GremlinServer.gremlin-groovy.sessionless.class-cache.load-success-count": {
  148.       "value": 2
  149.     },
  150.     "org.apache.tinkerpop.gremlin.server.GremlinServer.gremlin-groovy.sessionless.class-cache.long-run-compilation-count": {
  151.       "value": 0
  152.     },
  153.     "org.apache.tinkerpop.gremlin.server.GremlinServer.gremlin-groovy.sessionless.class-cache.miss-count": {
  154.       "value": 2
  155.     },
  156.     "org.apache.tinkerpop.gremlin.server.GremlinServer.gremlin-groovy.sessionless.class-cache.miss-rate": {
  157.       "value": 1
  158.     },
  159.     "org.apache.tinkerpop.gremlin.server.GremlinServer.gremlin-groovy.sessionless.class-cache.request-count": {
  160.       "value": 2
  161.     },
  162.     "org.apache.tinkerpop.gremlin.server.GremlinServer.gremlin-groovy.sessionless.class-cache.total-load-time": {
  163.       "value": 1845538400
  164.     },
  165.     "org.apache.tinkerpop.gremlin.server.GremlinServer.sessions": {
  166.       "value": 0
  167.     }
  168.   },
  169.   "counters": {
  170.     "favicon.ico/GET/FAILED_COUNTER": {
  171.       "count": 1
  172.     },
  173.     "favicon.ico/GET/TOTAL_COUNTER": {
  174.       "count": 1
  175.     },
  176.     "metrics/POST/FAILED_COUNTER": {
  177.       "count": 1
  178.     },
  179.     "metrics/POST/TOTAL_COUNTER": {
  180.       "count": 1
  181.     },
  182.     "metrics/backend/GET/SUCCESS_COUNTER": {
  183.       "count": 2
  184.     },
  185.     "metrics/backend/GET/TOTAL_COUNTER": {
  186.       "count": 2
  187.     },
  188.     "metrics/gauges/GET/SUCCESS_COUNTER": {
  189.       "count": 1
  190.     },
  191.     "metrics/gauges/GET/TOTAL_COUNTER": {
  192.       "count": 1
  193.     },
  194.     "metrics/system/GET/SUCCESS_COUNTER": {
  195.       "count": 2
  196.     },
  197.     "metrics/system/GET/TOTAL_COUNTER": {
  198.       "count": 2
  199.     },
  200.     "system/GET/FAILED_COUNTER": {
  201.       "count": 1
  202.     },
  203.     "system/GET/TOTAL_COUNTER": {
  204.       "count": 1
  205.     }
  206.   },
  207.   "histograms": {
  208.     "favicon.ico/GET/RESPONSE_TIME_HISTOGRAM": {
  209.       "count": 1,
  210.       "min": 1,
  211.       "mean": 1,
  212.       "max": 1,
  213.       "stddev": 0,
  214.       "p50": 1,
  215.       "p75": 1,
  216.       "p95": 1,
  217.       "p98": 1,
  218.       "p99": 1,
  219.       "p999": 1
  220.     },
  221.     "metrics/POST/RESPONSE_TIME_HISTOGRAM": {
  222.       "count": 1,
  223.       "min": 21,
  224.       "mean": 21,
  225.       "max": 21,
  226.       "stddev": 0,
  227.       "p50": 21,
  228.       "p75": 21,
  229.       "p95": 21,
  230.       "p98": 21,
  231.       "p99": 21,
  232.       "p999": 21
  233.     },
  234.     "metrics/backend/GET/RESPONSE_TIME_HISTOGRAM": {
  235.       "count": 2,
  236.       "min": 6,
  237.       "mean": 12.6852124529148,
  238.       "max": 20,
  239.       "stddev": 6.992918475157571,
  240.       "p50": 6,
  241.       "p75": 20,
  242.       "p95": 20,
  243.       "p98": 20,
  244.       "p99": 20,
  245.       "p999": 20
  246.     },
  247.     "metrics/gauges/GET/RESPONSE_TIME_HISTOGRAM": {
  248.       "count": 1,
  249.       "min": 7,
  250.       "mean": 7,
  251.       "max": 7,
  252.       "stddev": 0,
  253.       "p50": 7,
  254.       "p75": 7,
  255.       "p95": 7,
  256.       "p98": 7,
  257.       "p99": 7,
  258.       "p999": 7
  259.     },
  260.     "metrics/system/GET/RESPONSE_TIME_HISTOGRAM": {
  261.       "count": 2,
  262.       "min": 0,
  263.       "mean": 8.942674506664073,
  264.       "max": 40,
  265.       "stddev": 16.665399873223066,
  266.       "p50": 0,
  267.       "p75": 0,
  268.       "p95": 40,
  269.       "p98": 40,
  270.       "p99": 40,
  271.       "p999": 40
  272.     },
  273.     "system/GET/RESPONSE_TIME_HISTOGRAM": {
  274.       "count": 1,
  275.       "min": 2,
  276.       "mean": 2,
  277.       "max": 2,
  278.       "stddev": 0,
  279.       "p50": 2,
  280.       "p75": 2,
  281.       "p95": 2,
  282.       "p98": 2,
  283.       "p99": 2,
  284.       "p999": 2
  285.     }
  286.   },
  287.   "meters": {
  288.     "org.apache.hugegraph.api.API.commit-succeed": {
  289.       "count": 0,
  290.       "mean_rate": 0,
  291.       "m15_rate": 0,
  292.       "m5_rate": 0,
  293.       "m1_rate": 0,
  294.       "rate_unit": "events/second"
  295.     },
  296.     "org.apache.hugegraph.api.API.expected-error": {
  297.       "count": 0,
  298.       "mean_rate": 0,
  299.       "m15_rate": 0,
  300.       "m5_rate": 0,
  301.       "m1_rate": 0,
  302.       "rate_unit": "events/second"
  303.     },
  304.     "org.apache.hugegraph.api.API.illegal-arg": {
  305.       "count": 0,
  306.       "mean_rate": 0,
  307.       "m15_rate": 0,
  308.       "m5_rate": 0,
  309.       "m1_rate": 0,
  310.       "rate_unit": "events/second"
  311.     },
  312.     "org.apache.hugegraph.api.API.unknown-error": {
  313.       "count": 0,
  314.       "mean_rate": 0,
  315.       "m15_rate": 0,
  316.       "m5_rate": 0,
  317.       "m1_rate": 0,
  318.       "rate_unit": "events/second"
  319.     },
  320.     "org.apache.tinkerpop.gremlin.server.GremlinServer.errors": {
  321.       "count": 0,
  322.       "mean_rate": 0,
  323.       "m15_rate": 0,
  324.       "m5_rate": 0,
  325.       "m1_rate": 0,
  326.       "rate_unit": "events/second"
  327.     }
  328.   },
  329.   "timers": {
  330.     "org.apache.hugegraph.api.auth.AccessAPI.create": {
  331.       "count": 0,
  332.       "min": 0,
  333.       "mean": 0,
  334.       "max": 0,
  335.       "stddev": 0,
  336.       "p50": 0,
  337.       "p75": 0,
  338.       "p95": 0,
  339.       "p98": 0,
  340.       "p99": 0,
  341.       "p999": 0,
  342.       "duration_unit": "milliseconds",
  343.       "mean_rate": 0,
  344.       "m15_rate": 0,
  345.       "m5_rate": 0,
  346.       "m1_rate": 0,
  347.       "rate_unit": "calls/second"
  348.     },
  349.     "org.apache.hugegraph.api.auth.AccessAPI.delete": {
  350.       "count": 0,
  351.       "min": 0,
  352.       "mean": 0,
  353.       "max": 0,
  354.       "stddev": 0,
  355.       "p50": 0,
  356.       "p75": 0,
  357.       "p95": 0,
  358.       "p98": 0,
  359.       "p99": 0,
  360.       "p999": 0,
  361.       "duration_unit": "milliseconds",
  362.       "mean_rate": 0,
  363.       "m15_rate": 0,
  364.       "m5_rate": 0,
  365.       "m1_rate": 0,
  366.       "rate_unit": "calls/second"
  367.     },
  368.     "org.apache.hugegraph.api.auth.AccessAPI.get": {
  369.       "count": 0,
  370.       "min": 0,
  371.       "mean": 0,
  372.       "max": 0,
  373.       "stddev": 0,
  374.       "p50": 0,
  375.       "p75": 0,
  376.       "p95": 0,
  377.       "p98": 0,
  378.       "p99": 0,
  379.       "p999": 0,
  380.       "duration_unit": "milliseconds",
  381.       "mean_rate": 0,
  382.       "m15_rate": 0,
  383.       "m5_rate": 0,
  384.       "m1_rate": 0,
  385.       "rate_unit": "calls/second"
  386.     },
  387.     "org.apache.hugegraph.api.auth.AccessAPI.list": {
  388.       "count": 0,
  389.       "min": 0,
  390.       "mean": 0,
  391.       "max": 0,
  392.       "stddev": 0,
  393.       "p50": 0,
  394.       "p75": 0,
  395.       "p95": 0,
  396.       "p98": 0,
  397.       "p99": 0,
  398.       "p999": 0,
  399.       "duration_unit": "milliseconds",
  400.       "mean_rate": 0,
  401.       "m15_rate": 0,
  402.       "m5_rate": 0,
  403.       "m1_rate": 0,
  404.       "rate_unit": "calls/second"
  405.     },
  406.     ...
  407.   }
  408. }
1.1.2 Method & Url
  1. http://localhost:8080/metrics/
Response Status
  1. 200
Response Body
  1. # HELP hugegraph_info
  2. # TYPE hugegraph_info untyped
  3. hugegraph_info{version="0.69",
  4. } 1.0
  5. # HELP org_apache_hugegraph_backend_cache_Cache_edge_hugegraph_capacity
  6. # TYPE org_apache_hugegraph_backend_cache_Cache_edge_hugegraph_capacity gauge
  7. org_apache_hugegraph_backend_cache_Cache_edge_hugegraph_capacity 1000000
  8. # HELP org_apache_hugegraph_backend_cache_Cache_edge_hugegraph_expire
  9. # TYPE org_apache_hugegraph_backend_cache_Cache_edge_hugegraph_expire gauge
  10. org_apache_hugegraph_backend_cache_Cache_edge_hugegraph_expire 600000
  11. # HELP org_apache_hugegraph_backend_cache_Cache_edge_hugegraph_hits
  12. # TYPE org_apache_hugegraph_backend_cache_Cache_edge_hugegraph_hits gauge
  13. org_apache_hugegraph_backend_cache_Cache_edge_hugegraph_hits 0
  14. # HELP org_apache_hugegraph_backend_cache_Cache_edge_hugegraph_miss
  15. # TYPE org_apache_hugegraph_backend_cache_Cache_edge_hugegraph_miss gauge
  16. org_apache_hugegraph_backend_cache_Cache_edge_hugegraph_miss 0
  17. # HELP org_apache_hugegraph_backend_cache_Cache_edge_hugegraph_size
  18. # TYPE org_apache_hugegraph_backend_cache_Cache_edge_hugegraph_size gauge
  19. org_apache_hugegraph_backend_cache_Cache_edge_hugegraph_size 0
  20. # HELP org_apache_hugegraph_backend_cache_Cache_instances
  21. # TYPE org_apache_hugegraph_backend_cache_Cache_instances gauge
  22. org_apache_hugegraph_backend_cache_Cache_instances 7
  23. # HELP org_apache_hugegraph_backend_cache_Cache_schema_id_hugegraph_capacity
  24. # TYPE org_apache_hugegraph_backend_cache_Cache_schema_id_hugegraph_capacity gauge
  25. org_apache_hugegraph_backend_cache_Cache_schema_id_hugegraph_capacity 10000
  26. # HELP org_apache_hugegraph_backend_cache_Cache_schema_id_hugegraph_expire
  27. # TYPE org_apache_hugegraph_backend_cache_Cache_schema_id_hugegraph_expire gauge
  28. org_apache_hugegraph_backend_cache_Cache_schema_id_hugegraph_expire 0
  29. # HELP org_apache_hugegraph_backend_cache_Cache_schema_id_hugegraph_hits
  30. # TYPE org_apache_hugegraph_backend_cache_Cache_schema_id_hugegraph_hits gauge
  31. org_apache_hugegraph_backend_cache_Cache_schema_id_hugegraph_hits 0
  32. # HELP org_apache_hugegraph_backend_cache_Cache_schema_id_hugegraph_miss
  33. # TYPE org_apache_hugegraph_backend_cache_Cache_schema_id_hugegraph_miss gauge
  34. org_apache_hugegraph_backend_cache_Cache_schema_id_hugegraph_miss 0
  35. # HELP org_apache_hugegraph_backend_cache_Cache_schema_id_hugegraph_size
  36. # TYPE org_apache_hugegraph_backend_cache_Cache_schema_id_hugegraph_size gauge
  37. org_apache_hugegraph_backend_cache_Cache_schema_id_hugegraph_size 17
  38. # HELP org_apache_hugegraph_backend_cache_Cache_schema_name_hugegraph_capacity
  39. # TYPE org_apache_hugegraph_backend_cache_Cache_schema_name_hugegraph_capacity gauge
  40. org_apache_hugegraph_backend_cache_Cache_schema_name_hugegraph_capacity 10000
  41. # HELP org_apache_hugegraph_backend_cache_Cache_schema_name_hugegraph_expire
  42. # TYPE org_apache_hugegraph_backend_cache_Cache_schema_name_hugegraph_expire gauge
  43. org_apache_hugegraph_backend_cache_Cache_schema_name_hugegraph_expire 0
  44. # HELP org_apache_hugegraph_backend_cache_Cache_schema_name_hugegraph_hits
  45. # TYPE org_apache_hugegraph_backend_cache_Cache_schema_name_hugegraph_hits gauge
  46. org_apache_hugegraph_backend_cache_Cache_schema_name_hugegraph_hits 0
  47. # HELP org_apache_hugegraph_backend_cache_Cache_schema_name_hugegraph_miss
  48. # TYPE org_apache_hugegraph_backend_cache_Cache_schema_name_hugegraph_miss gauge
  49. org_apache_hugegraph_backend_cache_Cache_schema_name_hugegraph_miss 0
  50. # HELP org_apache_hugegraph_backend_cache_Cache_schema_name_hugegraph_size
  51. # TYPE org_apache_hugegraph_backend_cache_Cache_schema_name_hugegraph_size gauge
  52. org_apache_hugegraph_backend_cache_Cache_schema_name_hugegraph_size 17
  53. ...

1.2 获取 Gauges 指标

Method & Url
  1. http://localhost:8080/metrics/gauges
Response Status
  1. 200
Response Body
  1. {
  2.   "org.apache.hugegraph.backend.cache.Cache.edge-hugegraph.capacity": {
  3.     "value": 1000000
  4.   },
  5.   "org.apache.hugegraph.backend.cache.Cache.edge-hugegraph.expire": {
  6.     "value": 600000
  7.   },
  8.   "org.apache.hugegraph.backend.cache.Cache.edge-hugegraph.hits": {
  9.     "value": 0
  10.   },
  11.   "org.apache.hugegraph.backend.cache.Cache.edge-hugegraph.miss": {
  12.     "value": 0
  13.   },
  14.   "org.apache.hugegraph.backend.cache.Cache.edge-hugegraph.size": {
  15.     "value": 0
  16.   },
  17.   "org.apache.hugegraph.backend.cache.Cache.instances": {
  18.     "value": 7
  19.   },
  20.   "org.apache.hugegraph.backend.cache.Cache.schema-id-hugegraph.capacity": {
  21.     "value": 10000
  22.   },
  23.   "org.apache.hugegraph.backend.cache.Cache.schema-id-hugegraph.expire": {
  24.     "value": 0
  25.   },
  26.   "org.apache.hugegraph.backend.cache.Cache.schema-id-hugegraph.hits": {
  27.     "value": 0
  28.   },
  29.   "org.apache.hugegraph.backend.cache.Cache.schema-id-hugegraph.miss": {
  30.     "value": 0
  31.   },
  32.   "org.apache.hugegraph.backend.cache.Cache.schema-id-hugegraph.size": {
  33.     "value": 17
  34.   },
  35.   "org.apache.hugegraph.backend.cache.Cache.schema-name-hugegraph.capacity": {
  36.     "value": 10000
  37.   },
  38.   "org.apache.hugegraph.backend.cache.Cache.schema-name-hugegraph.expire": {
  39.     "value": 0
  40.   },
  41.   "org.apache.hugegraph.backend.cache.Cache.schema-name-hugegraph.hits": {
  42.     "value": 0
  43.   },
  44.   "org.apache.hugegraph.backend.cache.Cache.schema-name-hugegraph.miss": {
  45.     "value": 0
  46.   },
  47.   "org.apache.hugegraph.backend.cache.Cache.schema-name-hugegraph.size": {
  48.     "value": 17
  49.   },
  50.   "org.apache.hugegraph.backend.cache.Cache.token-hugegraph.capacity": {
  51.     "value": 10240
  52.   },
  53.   "org.apache.hugegraph.backend.cache.Cache.token-hugegraph.expire": {
  54.     "value": 600000
  55.   },
  56.   "org.apache.hugegraph.backend.cache.Cache.token-hugegraph.hits": {
  57.     "value": 0
  58.   },
  59.   "org.apache.hugegraph.backend.cache.Cache.token-hugegraph.miss": {
  60.     "value": 0
  61.   },
  62.   "org.apache.hugegraph.backend.cache.Cache.token-hugegraph.size": {
  63.     "value": 0
  64.   },
  65.   "org.apache.hugegraph.backend.cache.Cache.users-hugegraph.capacity": {
  66.     "value": 10240
  67.   },
  68.   "org.apache.hugegraph.backend.cache.Cache.users-hugegraph.expire": {
  69.     "value": 600000
  70.   },
  71.   "org.apache.hugegraph.backend.cache.Cache.users-hugegraph.hits": {
  72.     "value": 0
  73.   },
  74.   "org.apache.hugegraph.backend.cache.Cache.users-hugegraph.miss": {
  75.     "value": 0
  76.   },
  77.   "org.apache.hugegraph.backend.cache.Cache.users-hugegraph.size": {
  78.     "value": 0
  79.   },
  80.   "org.apache.hugegraph.backend.cache.Cache.users_pwd-hugegraph.capacity": {
  81.     "value": 10240
  82.   },
  83.   "org.apache.hugegraph.backend.cache.Cache.users_pwd-hugegraph.expire": {
  84.     "value": 600000
  85.   },
  86.   "org.apache.hugegraph.backend.cache.Cache.users_pwd-hugegraph.hits": {
  87.     "value": 0
  88.   },
  89.   "org.apache.hugegraph.backend.cache.Cache.users_pwd-hugegraph.miss": {
  90.     "value": 0
  91.   },
  92.   "org.apache.hugegraph.backend.cache.Cache.users_pwd-hugegraph.size": {
  93.     "value": 0
  94.   },
  95.   "org.apache.hugegraph.backend.cache.Cache.vertex-hugegraph.capacity": {
  96.     "value": 10000000
  97.   },
  98.   "org.apache.hugegraph.backend.cache.Cache.vertex-hugegraph.expire": {
  99.     "value": 600000
  100.   },
  101.   "org.apache.hugegraph.backend.cache.Cache.vertex-hugegraph.hits": {
  102.     "value": 0
  103.   },
  104.   "org.apache.hugegraph.backend.cache.Cache.vertex-hugegraph.miss": {
  105.     "value": 0
  106.   },
  107.   "org.apache.hugegraph.backend.cache.Cache.vertex-hugegraph.size": {
  108.     "value": 0
  109.   },
  110.   "org.apache.hugegraph.server.RestServer.max-write-threads": {
  111.     "value": 0
  112.   },
  113.   "org.apache.hugegraph.task.TaskManager.pending-tasks": {
  114.     "value": 0
  115.   },
  116.   "org.apache.hugegraph.task.TaskManager.workers": {
  117.     "value": 4
  118.   },
  119.   "org.apache.tinkerpop.gremlin.server.GremlinServer.gremlin-groovy.sessionless.class-cache.average-load-penalty": {
  120.     "value": 9.227692E8
  121.   },
  122.   "org.apache.tinkerpop.gremlin.server.GremlinServer.gremlin-groovy.sessionless.class-cache.estimated-size": {
  123.     "value": 2
  124.   },
  125.   "org.apache.tinkerpop.gremlin.server.GremlinServer.gremlin-groovy.sessionless.class-cache.eviction-count": {
  126.     "value": 0
  127.   },
  128.   "org.apache.tinkerpop.gremlin.server.GremlinServer.gremlin-groovy.sessionless.class-cache.eviction-weight": {
  129.     "value": 0
  130.   },
  131.   "org.apache.tinkerpop.gremlin.server.GremlinServer.gremlin-groovy.sessionless.class-cache.hit-count": {
  132.     "value": 0
  133.   },
  134.   "org.apache.tinkerpop.gremlin.server.GremlinServer.gremlin-groovy.sessionless.class-cache.hit-rate": {
  135.     "value": 0.0
  136.   },
  137.   "org.apache.tinkerpop.gremlin.server.GremlinServer.gremlin-groovy.sessionless.class-cache.load-count": {
  138.     "value": 2
  139.   },
  140.   "org.apache.tinkerpop.gremlin.server.GremlinServer.gremlin-groovy.sessionless.class-cache.load-failure-count": {
  141.     "value": 0
  142.   },
  143.   "org.apache.tinkerpop.gremlin.server.GremlinServer.gremlin-groovy.sessionless.class-cache.load-failure-rate": {
  144.     "value": 0.0
  145.   },
  146.   "org.apache.tinkerpop.gremlin.server.GremlinServer.gremlin-groovy.sessionless.class-cache.load-success-count": {
  147.     "value": 2
  148.   },
  149.   "org.apache.tinkerpop.gremlin.server.GremlinServer.gremlin-groovy.sessionless.class-cache.long-run-compilation-count": {
  150.     "value": 0
  151.   },
  152.   "org.apache.tinkerpop.gremlin.server.GremlinServer.gremlin-groovy.sessionless.class-cache.miss-count": {
  153.     "value": 2
  154.   },
  155.   "org.apache.tinkerpop.gremlin.server.GremlinServer.gremlin-groovy.sessionless.class-cache.miss-rate": {
  156.     "value": 1.0
  157.   },
  158.   "org.apache.tinkerpop.gremlin.server.GremlinServer.gremlin-groovy.sessionless.class-cache.request-count": {
  159.     "value": 2
  160.   },
  161.   "org.apache.tinkerpop.gremlin.server.GremlinServer.gremlin-groovy.sessionless.class-cache.total-load-time": {
  162.     "value": 1845538400
  163.   },
  164.   "org.apache.tinkerpop.gremlin.server.GremlinServer.sessions": {
  165.     "value": 0
  166.   }
  167. }

1.3 获取 Counters 指标

Method & Url
  1. GET http://localhost:8080/metrics/counters
Response Status
  1. 200
Response Body
  1. {
  2.   "favicon.ico/GET/FAILED_COUNTER": {
  3.     "count": 1
  4.   },
  5.   "favicon.ico/GET/TOTAL_COUNTER": {
  6.     "count": 1
  7.   },
  8.   "metrics//GET/SUCCESS_COUNTER": {
  9.     "count": 2
  10.   },
  11.   "metrics//GET/TOTAL_COUNTER": {
  12.     "count": 2
  13.   },
  14.   "metrics/POST/FAILED_COUNTER": {
  15.     "count": 1
  16.   },
  17.   "metrics/POST/TOTAL_COUNTER": {
  18.     "count": 1
  19.   },
  20.   "metrics/backend/GET/SUCCESS_COUNTER": {
  21.     "count": 2
  22.   },
  23.   "metrics/backend/GET/TOTAL_COUNTER": {
  24.     "count": 2
  25.   },
  26.   "metrics/gauges/GET/SUCCESS_COUNTER": {
  27.     "count": 1
  28.   },
  29.   "metrics/gauges/GET/TOTAL_COUNTER": {
  30.     "count": 1
  31.   },
  32.   "metrics/statistics/GET/SUCCESS_COUNTER": {
  33.     "count": 2
  34.   },
  35.   "metrics/statistics/GET/TOTAL_COUNTER": {
  36.     "count": 2
  37.   },
  38.   "metrics/system/GET/SUCCESS_COUNTER": {
  39.     "count": 2
  40.   },
  41.   "metrics/system/GET/TOTAL_COUNTER": {
  42.     "count": 2
  43.   },
  44.   "metrics/timers/GET/SUCCESS_COUNTER": {
  45.     "count": 1
  46.   },
  47.   "metrics/timers/GET/TOTAL_COUNTER": {
  48.     "count": 1
  49.   },
  50.   "system/GET/FAILED_COUNTER": {
  51.     "count": 1
  52.   },
  53.   "system/GET/TOTAL_COUNTER": {
  54.     "count": 1
  55.   }
  56. }

1.4 获取 histograms 指标

Method & Url
  1. GET http://localhost:8080/metrics/gauges
Response Status
  1. 200
Response Body
  1. {
  2.   "favicon.ico/GET/RESPONSE_TIME_HISTOGRAM": {
  3.     "count": 1,
  4.     "min": 1,
  5.     "mean": 1.0,
  6.     "max": 1,
  7.     "stddev": 0.0,
  8.     "p50": 1.0,
  9.     "p75": 1.0,
  10.     "p95": 1.0,
  11.     "p98": 1.0,
  12.     "p99": 1.0,
  13.     "p999": 1.0
  14.   },
  15.   "metrics//GET/RESPONSE_TIME_HISTOGRAM": {
  16.     "count": 2,
  17.     "min": 10,
  18.     "mean": 10.0,
  19.     "max": 10,
  20.     "stddev": 0.0,
  21.     "p50": 10.0,
  22.     "p75": 10.0,
  23.     "p95": 10.0,
  24.     "p98": 10.0,
  25.     "p99": 10.0,
  26.     "p999": 10.0
  27.   },
  28.   "metrics/POST/RESPONSE_TIME_HISTOGRAM": {
  29.     "count": 1,
  30.     "min": 21,
  31.     "mean": 21.0,
  32.     "max": 21,
  33.     "stddev": 0.0,
  34.     "p50": 21.0,
  35.     "p75": 21.0,
  36.     "p95": 21.0,
  37.     "p98": 21.0,
  38.     "p99": 21.0,
  39.     "p999": 21.0
  40.   },
  41.   "metrics/backend/GET/RESPONSE_TIME_HISTOGRAM": {
  42.     "count": 2,
  43.     "min": 6,
  44.     "mean": 12.6852124529148,
  45.     "max": 20,
  46.     "stddev": 6.992918475157571,
  47.     "p50": 6.0,
  48.     "p75": 20.0,
  49.     "p95": 20.0,
  50.     "p98": 20.0,
  51.     "p99": 20.0,
  52.     "p999": 20.0
  53.   },
  54.   "metrics/gauges/GET/RESPONSE_TIME_HISTOGRAM": {
  55.     "count": 1,
  56.     "min": 7,
  57.     "mean": 7.0,
  58.     "max": 7,
  59.     "stddev": 0.0,
  60.     "p50": 7.0,
  61.     "p75": 7.0,
  62.     "p95": 7.0,
  63.     "p98": 7.0,
  64.     "p99": 7.0,
  65.     "p999": 7.0
  66.   },
  67.   "metrics/statistics/GET/RESPONSE_TIME_HISTOGRAM": {
  68.     "count": 2,
  69.     "min": 1,
  70.     "mean": 1.4551211076264199,
  71.     "max": 2,
  72.     "stddev": 0.49798181193626,
  73.     "p50": 1.0,
  74.     "p75": 2.0,
  75.     "p95": 2.0,
  76.     "p98": 2.0,
  77.     "p99": 2.0,
  78.     "p999": 2.0
  79.   },
  80.   "metrics/system/GET/RESPONSE_TIME_HISTOGRAM": {
  81.     "count": 2,
  82.     "min": 0,
  83.     "mean": 8.942674506664073,
  84.     "max": 40,
  85.     "stddev": 16.665399873223066,
  86.     "p50": 0.0,
  87.     "p75": 0.0,
  88.     "p95": 40.0,
  89.     "p98": 40.0,
  90.     "p99": 40.0,
  91.     "p999": 40.0
  92.   },
  93.   "metrics/timers/GET/RESPONSE_TIME_HISTOGRAM": {
  94.     "count": 1,
  95.     "min": 3,
  96.     "mean": 3.0,
  97.     "max": 3,
  98.     "stddev": 0.0,
  99.     "p50": 3.0,
  100.     "p75": 3.0,
  101.     "p95": 3.0,
  102.     "p98": 3.0,
  103.     "p99": 3.0,
  104.     "p999": 3.0
  105.   },
  106.   "system/GET/RESPONSE_TIME_HISTOGRAM": {
  107.     "count": 1,
  108.     "min": 2,
  109.     "mean": 2.0,
  110.     "max": 2,
  111.     "stddev": 0.0,
  112.     "p50": 2.0,
  113.     "p75": 2.0,
  114.     "p95": 2.0,
  115.     "p98": 2.0,
  116.     "p99": 2.0,
  117.     "p999": 2.0
  118.   }
  119. }

1.5 获取 meters 指标

Method & Url
  1. GET http://localhost:8080/metrics/meters
Response Status
  1. 200
Response Body
  1. {
  2.   "org.apache.hugegraph.api.API.commit-succeed": {
  3.     "count": 0,
  4.     "mean_rate": 0.0,
  5.     "m15_rate": 0.0,
  6.     "m5_rate": 0.0,
  7.     "m1_rate": 0.0,
  8.     "rate_unit": "events/second"
  9.   },
  10.   "org.apache.hugegraph.api.API.expected-error": {
  11.     "count": 0,
  12.     "mean_rate": 0.0,
  13.     "m15_rate": 0.0,
  14.     "m5_rate": 0.0,
  15.     "m1_rate": 0.0,
  16.     "rate_unit": "events/second"
  17.   },
  18.   "org.apache.hugegraph.api.API.illegal-arg": {
  19.     "count": 0,
  20.     "mean_rate": 0.0,
  21.     "m15_rate": 0.0,
  22.     "m5_rate": 0.0,
  23.     "m1_rate": 0.0,
  24.     "rate_unit": "events/second"
  25.   },
  26.   "org.apache.hugegraph.api.API.unknown-error": {
  27.     "count": 0,
  28.     "mean_rate": 0.0,
  29.     "m15_rate": 0.0,
  30.     "m5_rate": 0.0,
  31.     "m1_rate": 0.0,
  32.     "rate_unit": "events/second"
  33.   },
  34.   "org.apache.tinkerpop.gremlin.server.GremlinServer.errors": {
  35.     "count": 0,
  36.     "mean_rate": 0.0,
  37.     "m15_rate": 0.0,
  38.     "m5_rate": 0.0,
  39.     "m1_rate": 0.0,
  40.     "rate_unit": "events/second"
  41.   }
  42. }

1.6 获取 timers 指标

Method & Url
  1. GET http://localhost:8080/metrics/timers
Response Status
  1. 200
Response Body
  1. {
  2.   "org.apache.hugegraph.api.auth.AccessAPI.create": {
  3.     "count": 0,
  4.     "min": 0.0,
  5.     "mean": 0.0,
  6.     "max": 0.0,
  7.     "stddev": 0.0,
  8.     "p50": 0.0,
  9.     "p75": 0.0,
  10.     "p95": 0.0,
  11.     "p98": 0.0,
  12.     "p99": 0.0,
  13.     "p999": 0.0,
  14.     "duration_unit": "milliseconds",
  15.     "mean_rate": 0.0,
  16.     "m15_rate": 0.0,
  17.     "m5_rate": 0.0,
  18.     "m1_rate": 0.0,
  19.     "rate_unit": "calls/second"
  20.   },
  21.   "org.apache.hugegraph.api.auth.AccessAPI.delete": {
  22.     "count": 0,
  23.     "min": 0.0,
  24.     "mean": 0.0,
  25.     "max": 0.0,
  26.     "stddev": 0.0,
  27.     "p50": 0.0,
  28.     "p75": 0.0,
  29.     "p95": 0.0,
  30.     "p98": 0.0,
  31.     "p99": 0.0,
  32.     "p999": 0.0,
  33.     "duration_unit": "milliseconds",
  34.     "mean_rate": 0.0,
  35.     "m15_rate": 0.0,
  36.     "m5_rate": 0.0,
  37.     "m1_rate": 0.0,
  38.     "rate_unit": "calls/second"
  39.   },
  40.   ...
  41. }

2.统计指标

Params
  • type：如果传值为 json，则以 json 格式返回，否则以 Promethaus 格式返回。
2.1 Method & Url
  1. GET http://localhost:8080/metrics/statistics
Response Status
  1. # HELP hugegraph_info
  2. # TYPE hugegraph_info untyped
  3. hugegraph_info{version="0.69",
  4. } 1.0
  5. # HELP metrics_POST
  6. # TYPE metrics_POST gauge
  7. metrics_POST{name=FAILED_REQUEST,} 1
  8. metrics_POST{name=MEAN_RESPONSE_TIME,} 21.0
  9. metrics_POST{
  10. name=MAX_RESPONSE_TIME,
  11. } 21
  12. metrics_POST{name=SUCCESS_REQUEST,
  13. } 0
  14. metrics_POST{
  15. name=TOTAL_REQUEST,
  16. } 1
  17. # HELP metrics_backend_GET
  18. # TYPE metrics_backend_GET gauge
  19. metrics_backend_GET{name=FAILED_REQUEST,
  20. } 0
  21. metrics_backend_GET{
  22. name=MEAN_RESPONSE_TIME,
  23. } 12.6852124529148
  24. metrics_backend_GET{
  25. name=MAX_RESPONSE_TIME,
  26. } 20
  27. metrics_backend_GET{
  28. name=SUCCESS_REQUEST,
  29. } 2
  30. metrics_backend_GET{name=TOTAL_REQUEST,} 2
  31. # HELP system_GET
  32. # TYPE system_GET gauge
  33. system_GET{name=FAILED_REQUEST,} 1
  34. system_GET{name=MEAN_RESPONSE_TIME,} 2.0
  35. system_GET{name=MAX_RESPONSE_TIME,} 2
  36. system_GET{
  37. name=SUCCESS_REQUEST,
  38. } 0
  39. system_GET{name=TOTAL_REQUEST,
  40. } 1
  41. # HELP metrics_gauges_GET
  42. # TYPE metrics_gauges_GET gauge
  43. metrics_gauges_GET{name=FAILED_REQUEST,} 0
  44. metrics_gauges_GET{name=MEAN_RESPONSE_TIME,
  45. } 7.0
  46. metrics_gauges_GET{
  47. name=MAX_RESPONSE_TIME,
  48. } 7
  49. metrics_gauges_GET{
  50. name=SUCCESS_REQUEST,
  51. } 1
  52. metrics_gauges_GET{
  53. name=TOTAL_REQUEST,
  54. } 1
  55. # HELP favicon.ico_GET
  56. # TYPE favicon.ico_GET gauge
  57. favicon.ico_GET{name=FAILED_REQUEST,
  58. } 1
  59. favicon.ico_GET{
  60. name=MEAN_RESPONSE_TIME,
  61. } 1.0
  62. favicon.ico_GET{name=MAX_RESPONSE_TIME,} 1
  63. favicon.ico_GET{name=SUCCESS_REQUEST,} 0
  64. favicon.ico_GET{
  65. name=TOTAL_REQUEST,
  66. } 1
  67. # HELP metrics__GET
  68. # TYPE metrics__GET gauge
  69. metrics__GET{name=FAILED_REQUEST,} 0
  70. metrics__GET{name=MEAN_RESPONSE_TIME,} 10.0
  71. metrics__GET{name=MAX_RESPONSE_TIME,
  72. } 10
  73. metrics__GET{
  74. name=SUCCESS_REQUEST,
  75. } 2
  76. metrics__GET{
  77. name=TOTAL_REQUEST,
  78. } 2
  79. # HELP metrics_system_GET
  80. # TYPE metrics_system_GET gauge
  81. metrics_system_GET{name=FAILED_REQUEST,} 0
  82. metrics_system_GET{name=MEAN_RESPONSE_TIME,
  83. } 8.942674506664073
  84. metrics_system_GET{
  85. name=MAX_RESPONSE_TIME,
  86. } 40
  87. metrics_system_GET{name=SUCCESS_REQUEST,} 2
  88. metrics_system_GET{name=TOTAL_REQUEST,
  89. } 2
Response Body
  1. 200
2.2 Method & Url
  1. GET http://localhost:8080/metrics/statistics?type=json
Response Status
  1. 200
Response Body
  1. {
  2.   "metrics/POST": {
  3.     "FAILED_REQUEST": 1,
  4.     "MEAN_RESPONSE_TIME": 21,
  5.     "MAX_RESPONSE_TIME": 21,
  6.     "SUCCESS_REQUEST": 0,
  7.     "TOTAL_REQUEST": 1
  8.   },
  9.   "metrics/backend/GET": {
  10.     "FAILED_REQUEST": 0,
  11.     "MEAN_RESPONSE_TIME": 12.6852124529148,
  12.     "MAX_RESPONSE_TIME": 20,
  13.     "SUCCESS_REQUEST": 2,
  14.     "TOTAL_REQUEST": 2
  15.   },
  16.   "system/GET": {
  17.     "FAILED_REQUEST": 1,
  18.     "MEAN_RESPONSE_TIME": 2,
  19.     "MAX_RESPONSE_TIME": 2,
  20.     "SUCCESS_REQUEST": 0,
  21.     "TOTAL_REQUEST": 1
  22.   },
  23.   "metrics/gauges/GET": {
  24.     "FAILED_REQUEST": 0,
  25.     "MEAN_RESPONSE_TIME": 7,
  26.     "MAX_RESPONSE_TIME": 7,
  27.     "SUCCESS_REQUEST": 1,
  28.     "TOTAL_REQUEST": 1
  29.   },
  30.   "favicon.ico/GET": {
  31.     "FAILED_REQUEST": 1,
  32.     "MEAN_RESPONSE_TIME": 1,
  33.     "MAX_RESPONSE_TIME": 1,
  34.     "SUCCESS_REQUEST": 0,
  35.     "TOTAL_REQUEST": 1
  36.   },
  37.   "metrics//GET": {
  38.     "FAILED_REQUEST": 0,
  39.     "MEAN_RESPONSE_TIME": 10,
  40.     "MAX_RESPONSE_TIME": 10,
  41.     "SUCCESS_REQUEST": 2,
  42.     "TOTAL_REQUEST": 2
  43.   },
  44.   "metrics/system/GET": {
  45.     "FAILED_REQUEST": 0,
  46.     "MEAN_RESPONSE_TIME": 8.942674506664073,
  47.     "MAX_RESPONSE_TIME": 40,
  48.     "SUCCESS_REQUEST": 2,
  49.     "TOTAL_REQUEST": 2
  50.   }
  51. }

3.系统指标

系统指标主要返回机器运行指标，如内存、线程等信息。

Method & Url
  1. GET http://localhost:8080/metrics/system
Response Status
  1. 200
Response Body
  1. {
  2.   "basic": {
  3.     "mem": 1010,
  4.     "mem_total": 911,
  5.     "mem_used": 239,
  6.     "mem_free": 671,
  7.     "mem_unit": "MB",
  8.     "processors": 20,
  9.     "uptime": 137503,
  10.     "systemload_average": -1.0
  11.   },
  12.   "heap": {
  13.     "committed": 911,
  14.     "init": 254,
  15.     "used": 239,
  16.     "max": 3596
  17.   },
  18.   "nonheap": {
  19.     "committed": 98,
  20.     "init": 2,
  21.     "used": 95,
  22.     "max": 0
  23.   },
  24.   "thread": {
  25.     "peak": 82,
  26.     "daemon": 34,
  27.     "total_started": 108,
  28.     "count": 82
  29.   },
  30.   "class_loading": {
  31.     "count": 11495,
  32.     "loaded": 11495,
  33.     "unloaded": 0
  34.   },
  35.   "garbage_collector": {
  36.     "ps_scavenge_count": 16,
  37.     "ps_scavenge_time": 155,
  38.     "ps_marksweep_count": 3,
  39.     "ps_marksweep_time": 494,
  40.     "time_unit": "ms"
  41.   }
  42. }

4.后端指标

hugeGraph 支持多种后端存储，后端指标包括内存、磁盘等信息。

Method & Url
  1. GET http://localhost:8080/metrics/backend
Response Status
  1. 200
Response Body
  1. {
  2.   "hugegraph": {
  3.     "backend": "rocksdb",
  4.     "nodes": 1,
  5.     "cluster_id": "local",
  6.     "servers": {
  7.       "local": {
  8.         "mem_unit": "MB",
  9.         "disk_unit": "GB",
  10.         "mem_used": 0.1,
  11.         "mem_used_readable": "103.53 KB",
  12.         "disk_usage": 0.03,
  13.         "disk_usage_readable": "29.03 KB",
  14.         "block_cache_usage": 0.00359344482421875,
  15.         "block_cache_pinned_usage": 0.00359344482421875,
  16.         "block_cache_capacity": 304.0,
  17.         "estimate_table_readers_mem": 0.019697189331054688,
  18.         "size_all_mem_tables": 0.07421875,
  19.         "cur_size_all_mem_tables": 0.07421875,
  20.         "estimate_live_data_size": 5.536526441574097E-5,
  21.         "total_sst_files_size": 5.536526441574097E-5,
  22.         "live_sst_files_size": 5.536526441574097E-5,
  23.         "estimate_pending_compaction_bytes": 0.0,
  24.         "estimate_num_keys": 0,
  25.         "num_entries_active_mem_table": 0,
  26.         "num_entries_imm_mem_tables": 0,
  27.         "num_deletes_active_mem_table": 0,
  28.         "num_deletes_imm_mem_tables": 0,
  29.         "num_running_flushes": 0,
  30.         "mem_table_flush_pending": 0,
  31.         "num_running_compactions": 0,
  32.         "compaction_pending": 0,
  33.         "num_immutable_mem_table": 0,
  34.         "num_snapshots": 0,
  35.         "oldest_snapshot_time": 0,
  36.         "num_live_versions": 38,
  37.         "current_super_version_number": 38
  38.       }
  39.     }
  40.   }
  41. }

Last modified November 20, 2023: doc: add cassandra docker usage of server & enhance loader desc (#299) (e853a54b)