Manual:profiling table
The profiling table was used to store profiling-related data.
This table doesn't exist unless created, e.g. by setting $wgProfiler['output'] = 'db' in your StartProfiler.php and running maintenance/update.php.
| MediaWiki version: | ≤ 1.34 |
The table has been removed in MediaWiki 1.35 gerrit:545308.
Fields
pf_count
Event count (an integer).
pf_time
Time sum (milliseconds).
pf_memory
Memory sum (KB).
pf_name
Method name (e.g. Title::getNamespace).
pf_server
Host (e.g. lucy-HP-Compaq-Elite-8300-SF).
Schema summary
| MediaWiki versions: | 1.13 – 1.34 |
DESCRIBE profiling;
+-----------+--------------+------+-----+---------+-------+ | Field | Type | Null | Key | Default | Extra | +-----------+--------------+------+-----+---------+-------+ | pf_count | int(11) | NO | | 0 | | | pf_time | float | NO | | 0 | | | pf_memory | float | NO | | 0 | | | pf_name | varchar(255) | NO | PRI | | | | pf_server | varchar(30) | NO | PRI | | | +-----------+--------------+------+-----+---------+-------+
| MediaWiki versions: | 1.7 – 1.12 |
DESCRIBE profiling;
+-----------+--------------+------+-----+---------+-------+ | Field | Type | Null | Key | Default | Extra | +-----------+--------------+------+-----+---------+-------+ | pf_count | int(11) | NO | | 0 | | | pf_time | float | NO | | 0 | | | pf_name | varchar(255) | NO | PRI | | | | pf_server | varchar(30) | NO | PRI | | | +-----------+--------------+------+-----+---------+-------+
| MediaWiki versions: | 1.3 – 1.6 |
DESCRIBE profiling;
+----------+--------------+------+-----+---------+-------+ | Field | Type | Null | Key | Default | Extra | +----------+--------------+------+-----+---------+-------+ | pf_count | int(11) | NO | | 0 | | | pf_time | float | NO | | 0 | | | pf_name | varchar(255) | NO | PRI | | | +----------+--------------+------+-----+---------+-------+
Indexes
| MediaWiki versions: | 1.7 – 1.34 |
SHOW INDEX IN profiling;
+-----------+------------+----------------+--------------+-------------+-----------+-------------+----------+--------+------+------------+---------+---------------+ | Table | Non_unique | Key_name | Seq_in_index | Column_name | Collation | Cardinality | Sub_part | Packed | Null | Index_type | Comment | Index_comment | +-----------+------------+----------------+--------------+-------------+-----------+-------------+----------+--------+------+------------+---------+---------------+ | profiling | 0 | pf_name_server | 1 | pf_name | NULL | NULL | NULL | NULL | | HASH | | | | profiling | 0 | pf_name_server | 2 | pf_server | NULL | 0 | NULL | NULL | | HASH | | | +-----------+------------+----------------+--------------+-------------+-----------+-------------+----------+--------+------+------------+---------+---------------+