Information Schema QUERY_RESPONSE_TIME Table
Description
The Information Schema QUERY_RESPONSE_TIME table contains information about queries that take a long time to execute . It is only available if the QUERY_RESPONSE_TIME plugin has been installed.
It contains the following columns:
| Column | Description |
|---|---|
TIME | Time interval |
COUNT | Count of queries falling into the time interval |
TOTAL | Total execution time of all queries for this interval |
See QUERY_RESPONSE_TIME plugin for a full description.
The table is not a standard Information Schema table, and is a MariaDB extension.
SHOW QUERY_RESPONSE_TIME is available as an alternative for retrieving the data.
Example
SELECT * FROM information_schema.QUERY_RESPONSE_TIME; +----------------+-------+----------------+ | TIME | COUNT | TOTAL | +----------------+-------+----------------+ | 0.000001 | 0 | 0.000000 | | 0.000010 | 17 | 0.000094 | | 0.000100 | 4301 0.236555 | | 0.001000 | 1499 | 0.824450 | | 0.010000 | 14851 | 81.680502 | | 0.100000 | 8066 | 443.635693 | | 1.000000 | 0 | 0.000000 | | 10.000000 | 0 | 0.000000 | | 100.000000 | 1 | 55.937094 | | 1000.000000 | 0 | 0.000000 | | 10000.000000 | 0 | 0.000000 | | 100000.000000 | 0 | 0.000000 | | 1000000.000000 | 0 | 0.000000 | | TOO LONG | 0 | TOO LONG | +----------------+-------+----------------+
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