Querying the Log Histogram
Function
This API is used to query the distribution of reported log events that contain a specified keyword over a certain period. If no keyword is specified, the distribution of all log events reported over the period is returned.
Calling Method
For details, see Calling APIs.
URI
POST /v2/{project_id}/lts/keyword-count
Parameter |
Mandatory |
Type |
Description |
---|---|---|---|
project_id |
Yes |
String |
Project ID. For details about how to obtain a project ID, see Obtaining the Project ID, Account ID, Log Group ID, and Log Stream ID. Minimum: 32 Maximum: 32 |
Request Parameters
Parameter |
Mandatory |
Type |
Description |
---|---|---|---|
X-Auth-Token |
Yes |
String |
User token obtained from IAM. For details about how to obtain a user token, see Obtaining a User Token. Minimum: 1000 Maximum: 2000 |
Content-Type |
Yes |
String |
Set this parameter to application/json;charset=UTF-8. Minimum: 30 Maximum: 30 |
Parameter |
Mandatory |
Type |
Description |
---|---|---|---|
start_time |
Yes |
String |
Start time. |
end_time |
Yes |
String |
End time. |
step_interval |
Yes |
Long |
Time step, in milliseconds (ms). Recommended formula: (end_time-start_time)/1000 x 1000/60, where /1000 x 1000 means rounding to an integer. NOTE:
If the calculated result is less than or equal to 1000, the value 1000 is used. |
group_id |
Yes |
String |
Log group ID. Minimum: 36 Maximum: 36 |
stream_id |
Yes |
String |
Log stream ID. Minimum: 36 Maximum: 36 |
key_word |
Yes |
String |
A keyword is a word between two adjacent delimiters. |
is_iterative |
No |
Boolean |
Whether the log query is iterative. The default value is false, indicating that the log query is not iterative. Enumeration values:
|
Response Parameters
Status code: 200
Parameter |
Type |
Description |
---|---|---|
count |
Long |
Number of logs. |
histogram |
String |
Histogram result. |
isQueryComplete |
Boolean |
Whether the query is complete. |
Status code: 400
Parameter |
Type |
Description |
---|---|---|
error_code |
String |
Error code. Minimum: 8 Maximum: 8 |
error_msg |
String |
Error message. |
Status code: 500
Parameter |
Type |
Description |
---|---|---|
error_code |
String |
Error code. Minimum: 8 Maximum: 8 |
error_msg |
String |
Error message. |
Example Requests
Querying the log histogram
POST https://{endpoint}/v2/{project_id}/lts/keyword-count { "group_id" : "00330565-5baf-4e0d-bd16-ba0c6b951d9a", "stream_id" : "715cda3b-e17f-492a-a6ca-98a1ba16ad8c", "end_time" : 1637820813605, "start_time" : 1637817213605, "key_word" : "test", "step_interval" : 6000 }
Example Responses
Status code: 200
The query is successful.
{ "count" : 1, "histogram" : [ { "num" : 1, "startTime" : 1637821594579, "endTime" : 1637821595000 }, { "num" : 0, "startTime" : 1637821654000, "endTime" : 1637821654579 } ] }
Status code: 400
Invalid request. Modify the request based on the description in error_msg before a retry.
{ "error_code" : "LTS.0601", "error_msg" : "must be less than or equal to 86400000" }
Status Codes
Status Code |
Description |
---|---|
200 |
The query is successful. |
400 |
Invalid request. Modify the request based on the description in error_msg before a retry. |
500 |
InternalServerError. The server has received the request but encountered an internal error. |
Error Codes
See Error Codes.
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