141 lines
3.4 KiB
Markdown
141 lines
3.4 KiB
Markdown
# TiDB HTTP API
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`TiDBIP` is the ip of the TiDB server. `10080` is the default status port, and you can edit it in tidb.toml when starting the TiDB server.
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1. Get the current status of TiDB, including the connections, version and git_hash
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```shell
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curl http://{TiDBIP}:10080/status
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```
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1. Get all metrics of TiDB
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```shell
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curl http://{TiDBIP}:10080/metrics
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```
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1. Get the metadata of all regions
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```shell
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curl http://{TiDBIP}:10080/regions/meta
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```
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1. Get the information of a specific region by ID
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```shell
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curl http://{TiDBIP}:10080/regions/{regionID}
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```
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1. Get regions Information from db.table
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```shell
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curl http://{TiDBIP}:10080/tables/{db}/{table}/regions
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```
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1. Get schema Information about all db
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```shell
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curl http://{TiDBIP}:10080/schema
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```
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1. Get schema Information about db
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```shell
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curl http://{TiDBIP}:10080/schema/{db}
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```
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1. Get schema Information about db.table, and you can get schema info by tableID (tableID is the **unique** identifier of table in TiDB)
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```shell
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curl http://{TiDBIP}:10080/schema/{db}/{table}
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curl http://{TiDBIP}:10080/schema?table_id={tableID}
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```
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1. Get disk-usage info about db.table
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```shell
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curl http://{TiDBIP}:10080/tables/{db}/{table}/disk-usage
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```
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1. Get MVCC Information of the key with a specified handle ID
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```shell
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curl http://{TiDBIP}:10080/mvcc/key/{db}/{table}/{handle}
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```
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1. Get MVCC Information of the first key in the table with a specified start ts
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```shell
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curl http://{TiDBIP}:10080/mvcc/txn/{startTS}/{db}/{table}
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```
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1. Get MVCC Information of the key with a specified handle ID
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```shell
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curl http://{TiDBIP}:10080/mvcc/txn/{startTS}
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```
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1. Get MVCC Information by a hex value
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```shell
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curl http://{TiDBIP}:10080/mvcc/hex/{hexKey}
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```
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1. Get MVCC Information of a specified index key, argument example: column_name_1=column_value_1&column_name_2=column_value2...
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```shell
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curl http://{TiDBIP}:10080/mvcc/index/{db}/{table}/{index}/{handle}?${c1}={v1}&${c2}=${v2}
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```
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*Hint: For the index column which column type is timezone dependent, e.g. `timestamp`, convert its value to UTC
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timezone.*
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1. Get TiDB server settings
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```shell
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curl http://{TiDBIP}:10080/settings
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```
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1. Get TiDB server information.
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```shell
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curl http://{TiDBIP}:10080/info
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```
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1. Get TiDB cluster all servers information.
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```shell
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curl http://{TiDBIP}:10080/info/all
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```
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1. Enable/Disable TiDB server general log
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```shell
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curl -X POST -d "tidb_general_log=1" http://{TiDBIP}:10080/settings
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curl -X POST -d "tidb_general_log=0" http://{TiDBIP}:10080/settings
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```
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1. Change TiDB server log level
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```shell
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curl -X POST -d "log_level=debug" http://{TiDBIP}:10080/settings
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curl -X POST -d "log_level=info" http://{TiDBIP}:10080/settings
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```
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1. Change TiDB DDL slow log threshold
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The unit is millisecond.
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```shell
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curl -X POST -d "ddl_slow_threshold=300" http://{TiDBIP}:10080/settings
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```
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1. Get the column value by an encoded row and some information that can be obtained from a column of the table schema information.
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Argument example: rowBin=base64_encoded_row_value
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```shell
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curl http://{TiDBIP}:10080/tables/{colID}/{colFlag}/{colLen}?rowBin={val}
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```
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*Hint: For the column which field type is timezone dependent, e.g. `timestamp`, convert its value to UTC timezone.*
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