Note
This view is available starting with V4.3.4.
Purpose
In a MySQL tenant, the GV$OB_KV_CLIENT_INFO view can access the configuration parameters of the OBKV tenant client connection.
Columns
Column |
Type |
Nullable |
Description |
|---|---|---|---|
| client_id | bigint | NO | The client ID. |
| client_ip | varchar:MAX_IP_ADDR_LENGTH | NO | The IP address of the client. |
| client_port | bigint | NO | The port of the client. |
| svr_ip | varchar:MAX_IP_ADDR_LENGTH | NO | The IP address of the server. |
| svr_port | bigint | NO | The port of the server. |
| tenant_id | bigint | NO | The tenant ID. |
| user_name | varchar::OB_MAX_USER_NAME_LENGTH | NO | The username. |
| first_login_ts | timestamp(6) | NO | The time when the client first logged in. |
| last_login_ts | timestamp(6) | NO | The time when the client last logged in. |
| client_info | varchar:2048 | NO | The JSON string that describes the client information. |
The client_info field is a JSON string that contains the following parameters:
{
"client_id": 242153145,
"runtime": {
"rpc.execute.timeout": "3000",
"rpc.operation.timeout": "10000",
"runtime.max.wait": "3000",
"runtime.retry.interval": "1",
"runtime.retry.times": "1",
"connection.max.expired.time": "8"
},
"log": {
"slow.query.monitor.threshold": "10"
},
"route": {
"metadata.refresh.interval": "60000",
"continuous.failure.ceiling": "100",
"server.address.caching.timeout": "3600000",
"server.address.priority.timeout": "1800000",
"table.entry.acquire.connect.timeout": "500",
"table.entry.acquire.socket.timeout": "3000",
"table.entry.refresh.interval.base": "100",
"table.entry.refresh.interval.ceiling": "1600",
"table.entry.refresh.try.times": "3"
},
"thread_pool": {
"runtime.batch.executor": "false"
}
}
The following table describes the parameters in the JSON string.
Parameter |
Default Value |
Description |
|---|---|---|
| metadata.refresh.interval | 60000 | The interval at which the system refreshes the METADATA. |
| rpc.execute.timeout | 3000 | The socket timeout for executing an RPC request. |
| rpc.operation.timeout | 10000 | The timeout for executing an RPC request internally in OceanBase Database. |
| runtime.continuous.failure.ceiling | 100 | The maximum number of consecutive failures before the system refreshes the address of the TABLE. |
| runtime.max.wait | 3000 | The maximum time allowed for a single execution to retry. |
| runtime.retry.interval | 1 | The interval between retries when an error occurs. |
| runtime.retry.times | 1 | The number of retries when a retryable error occurs. |
| server.address.caching.timeout | 3600000L | The time after which the SERVER address cache expires. |
| server.address.priority.timeout | 1800000L | The time after which the SERVER address priority cache expires. |
| slow.query.monitor.threshold | 10 | The threshold for the execution time of an operation that is recorded to the MONITOR log. |
| table.entry.acquire.connect.timeout | 500 | The maximum time allowed for creating a connection to refresh the address of the TABLE. |
| table.entry.acquire.socket.timeout | 3000 | The socket timeout for refreshing the address of the TABLE. |
| table.entry.refresh.interval.base | 100 | The base interval for refreshing the address of the TABLE. |
| table.entry.refresh.interval.ceiling | 1600 | The maximum interval for refreshing the address of the TABLE. |
| table.entry.refresh.try.times | 3 | The number of attempts to refresh the address of the TABLE. |
| runtime.batch.executor | false | The thread pool for concurrent execution of batch requests. |
| connection.max.expired.time | 8 | The maximum time allowed between client connection refreshes. |