Here is an explanation of the values that appear in connection->stat() returned string. It was taken from Ai Hua's April 29, 2006 answer on http://forums.mysql.com/read.php?12,86570,86570.
Uptime--The number of seconds the MySQL server has been running.
Threads--The number of active threads (clients).
Questions--The number of questions (queries) from clients since the server was started.
Slow queries--The number of queries that have taken more than long_query_time seconds.
Opens--The number of tables the server has opened.
Flush tables--The number of flush-*, refresh, and reload commands the server has executed.
Open tables--The number of tables that currently are open.
Queries per second avg--Questions divided by Uptime
mysqli::stat
mysqli_stat
(PHP 5, PHP 7, PHP 8)
mysqli::stat -- mysqli_stat — Gets the current system status
Descrizione
Stile orientato agli oggetti
Stile procedurale
mysqli_stat() returns a string containing information similar to that provided by the 'mysqladmin status' command. This includes uptime in seconds and the number of running threads, questions, reloads, and open tables.
Elenco dei parametri
linkSolo nello stile procedurale: un identificatore restituito da mysqli_connect() o mysqli_init()
Valori restituiti
A string describing the server status. false if an error occurred.
Esempi
Example #1 mysqli::stat() example
Stile orientato agli oggetti
<?php
mysqli_report(MYSQLI_REPORT_ERROR | MYSQLI_REPORT_STRICT);
$mysqli = new mysqli("localhost", "my_user", "my_password", "world");
printf("System status: %s\n", $mysqli->stat());Stile procedurale
<?php
mysqli_report(MYSQLI_REPORT_ERROR | MYSQLI_REPORT_STRICT);
$link = mysqli_connect("localhost", "my_user", "my_password", "world");
printf("System status: %s\n", mysqli_stat($link));I precedenti esempi visualizzeranno:
System status: Uptime: 272 Threads: 1 Questions: 5340 Slow queries: 0 Opens: 13 Flush tables: 1 Open tables: 0 Queries per second avg: 19.632 Memory in use: 8496K Max memory used: 8560K
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amosjohlong at hotmail dot com ¶
7 years ago
