system.quota_usage
Quota usage by the current user: how much is used and how much is left.
Columns:
- quota_name
(String) — Quota name.
- quota_key
(String) — Key value. For example, if keys = [ip address
], quota_key
may have a value ‘192.168.1.1’.
- start_time
(Nullable(DateTime)) — Start time for calculating resource consumption.
- end_time
(Nullable(DateTime)) — End time for calculating resource consumption.
- duration
(Nullable(UInt64)) — Length of the time interval for calculating resource consumption, in seconds.
- queries
(Nullable(UInt64)) — The total number of requests on this interval.
- query_selects
(Nullable(UInt64)) — The total number of select requests on this interval.
- query_inserts
(Nullable(UInt64)) — The total number of insert requests on this interval.
- max_queries
(Nullable(UInt64)) — Maximum number of requests.
- errors
(Nullable(UInt64)) — The number of queries that threw an exception.
- max_errors
(Nullable(UInt64)) — Maximum number of errors.
- result_rows
(Nullable(UInt64)) — The total number of rows given as a result.
- max_result_rows
(Nullable(UInt64)) — Maximum number of result rows.
- result_bytes
(Nullable(UInt64)) — RAM volume in bytes used to store a queries result.
- max_result_bytes
(Nullable(UInt64)) — Maximum RAM volume used to store a queries result, in bytes.
- read_rows
(Nullable(UInt64)) — The total number of source rows read from tables for running the query on all remote servers.
- max_read_rows
(Nullable(UInt64)) — Maximum number of rows read from all tables and table functions participated in queries.
- read_bytes
(Nullable(UInt64)) — The total number of bytes read from all tables and table functions participated in queries.
- max_read_bytes
(Nullable(UInt64)) — Maximum of bytes read from all tables and table functions.
- execution_time
(Nullable(Float64)) — The total query execution time, in seconds (wall time).
- max_execution_time
(Nullable(Float64)) — Maximum of query execution time.