Queries the historical intelligent O&M reports of an Elasticsearch cluster.
Debugging
Request header
This operation does not have operation-specific request headers and uses only common request headers. For more information, see the "Common request parameters" section of the Common parameters topic.
Request syntax
GET /openapi/diagnosis/instances/{InstanceId}/reports HTTP/1.1
Request parameters
Parameter |
Type |
Position |
Required |
Example |
Description |
InstanceId | String | Path | Yes | es-cn-n6w1qu7ei000p**** | The instance ID. |
lang | String | Query | No | es | The language of the reports. The default is the browser language, which supports:
|
startTime | Long | Query | Yes | 1594569600000 | The beginning of the time range to query. The value must be a UNIX timestamp. Unit: milliseconds.
|
endTime | Long | Query | Yes | 1595174399999 | The end of the time range to query. The value must be a UNIX timestamp. Unit: milliseconds.
|
page | Integer | Query | No | 1 | The number of the page to return. Valid values: 1 to 200. Default value: 1. |
size | Integer | Query | No | 20 | The number of reports per page. Valid values: 1 to 500. Default value: 10. |
detail | Boolean | Query | No | true | Whether to show the details of diagnostic items. |
trigger | String | Query | No | SYSTEM | The trigger mode of the health diagnosis. You can use the following methods:
|
Response parameters
Parameter |
Type |
Example |
Description |
RequestId | String | 5FFD9ED4-C2EC-4E89-B22B-1ACB6FE1**** | The request ID. |
Headers | Object | The header of the response. |
|
X-Total-Count | Integer | 15 | The total number of entries returned. |
Result | Array of Result | The data returned. |
|
trigger | String | USER | The trigger mode of the health diagnosis. Valid values:
|
createTime | Long | 1535745731000 | The timestamp when the report was created. |
reportId | String | trigger__2020-08-17T17:09:02f | The ID of the report. |
state | String | SUCCESS | The diagnosis status. Valid values: Supported: SUCCESS, FAILED, and RUNNING. |
instanceId | String | es-cn-abc | The ID of the diagnostic instance. |
health | String | YELLOW | The overall health of the cluster in the report. Supported: GREEN, YELLOW, RED, and UNKNOWN. |
diagnoseItems | Array of diagnoseItems | Reports the list of diagnostic item information. |
|
item | String | IndexAliasUseDiagnostic | The name of the diagnostic item. |
health | String | YELLOW | The health level of the diagnostic item. Supported: GREEN, YELLOW, RED, and UNKNOWN. |
detail | Object | The details of the diagnostic item. |
|
type | String | ES_API | The type of the diagnostic result. Valid values:
|
name | String | Number of Replica Shards | The full name of the diagnostic item. |
desc | String | Check whether the number of replica shards is optimal and easy to maintain | The description of the diagnostic item. |
result | String | You may need to adjust the numbers of replica shards of some indices as follows: [geoname08 : 0 -> 1][geoname09 : 0 -> 1][geonametest01 : 0 -> 1] | The diagnosis. |
suggest | String | You can call the following function in the Elasticsearch API.... | The suggestion for the diagnosis. |
Examples
Sample requests
GET /openapi/diagnosis/instances/es-cn-n6w1qu7ei000p****/reports?lang=es&startTime=1594569600000&endTime=1595174399999&page=1&size=20&detail=true&trigger=SYSTEM HTTP/1.1
Host:elasticsearch.aliyuncs.com
Content-Type:application/json
Sample success responses
JSON
format
HTTP/1.1 200 OK
Content-Type:application/json
{
"Result" : [ {
"reportId" : "scheduled__2020-09-15T02:40:00",
"instanceId" : "es-cn-09k1rocex0006****",
"state" : "SUCCESS",
"trigger" : "SYSTEM",
"health" : "YELLOW",
"createTime" : 1600108800000,
"diagnoseItems" : [ {
"item" : "IndexReplicaDiagnostic",
"health" : "YELLOW",
"detail" : {
"name" : "Number of Replica Shards",
"desc" : "Check whether the number of replica shards is optimal and easy to maintain.\nReplica shards can increase the index data reliability and improve the QPS if the resources are sufficient. However, too many replica shards may consume large amounts of disk space and memory. This reduces the performance of write operations.",
"type" : "CONSOLE_API",
"suggest" : "You can call the following function in the Elasticsearch API: \nPUT ${index}/_settings\n{\n \"settings\": {\n \"index.number_of_replicas\": \"${num}\"\n }\n} \r\nSet the index and num parameters to the actual values.",
"result" : "You may need to adjust the numbers of replica shards of some indices as follows: \n[geoname08 : 0 -> 1][geoname09 : 0 -> 1][geonametest01 : 0 -> 1]"
}
}, {
"item" : "IndexShardsDiagnostic",
"health" : "YELLOW",
"detail" : {
"name" : "Number and Sizes of Shards in Each Index",
"desc" : "Check whether the number and sizes of shards in each index are optimal.\nA small number of shards may degrade the read and write performance of an index. A large number of shards consume a lot of system resources and degrade the read and write performance of an index.",
"type" : "ES_API",
"suggest" : "We recommend the following solution: \nhotmovies [size < 1 GB] [7 -> 1, 3]\ngeoname08 [2 GB] [5 -> 1, 3]\ngeoname09 [3 GB] [5 -> 1, 3]\ngeonametest01 [2 GB] [5 -> 1, 3]\n \r\nThis solution applies to the current index sizes. Adjust the number of shards based on the future indices and nodes.",
"result" : "You may need to adjust the number of shards in some indices."
}
}, {
"item" : "NodeLeftDiagnostic",
"health" : "GREEN",
"detail" : {
"name" : "Missing Nodes",
"desc" : "Check whether any node has not joined the cluster.\nMissing nodes may cause serious problems and requires immediate attention.",
"type" : "TEXT",
"result" : "All nodes have joined the cluster."
}
}, {
"item" : "FullGcLogDiagnostic",
"health" : "GREEN",
"detail" : {
"name" : "Full GC Activities",
"desc" : "Check whether the full GC activities of the cluster are normal.",
"type" : "TEXT",
"result" : "The full GC activities of the cluster are normal."
}
}, {
"item" : "ClusterMinMasterDiagnostic",
"health" : "GREEN",
"detail" : {
"name" : "minimum_master_nodes Configuration",
"desc" : "Check whether the discovery.zen.minimum_master_nodes configuration of the cluster is optimal.\nAn improper zen.min.master configuration may cause cluster instability and even cluster split-brain in the case of a high cluster load. Cluster split-brain may cause problems such as missing nodes, cluster jitter, and data exception, which require immediate attention.",
"type" : "TEXT",
"result" : "The minMaster configuration is optimal. candidateMasterCount is set to 3, and discovery.zen.minimum_master_nodes is set to 2."
}
}, {
"item" : "ClusterStateVersionDiagnostic",
"health" : "GREEN",
"detail" : {
"name" : "Frequent Changes in Cluster Status",
"desc" : "Check whether the cluster status changes frequently.\nFrequent changes in the cluster status can greatly increase the load of the master node, causing frequent GC activities, and may even degrade the cluster performance by blocking the reading and writing of index data.",
"type" : "TEXT",
"result" : "The cluster status changes at an optimal frequency."
}
}, {
"item" : "ErrorLogDiagnostic",
"health" : "GREEN",
"detail" : {
"name" : "Exceptions Log",
"desc" : "Check for exceptions logs.",
"type" : "TEXT",
"result" : "No exceptions log has been detected."
}
} ]
} ],
"RequestId" : "40962041-2864-4877-81C7-9657FDA3****",
"Headers" : {
"X-Total-Count" : 1
}
}
Error codes
For a list of error codes, see Service error codes.