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Зарегистрирован: Oct 2001
Место проживания: Альметьевск, Татарстан
Публикаций: 480
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Путем мониторинга всех запросов нашел 2 запроса, которые грузили не по децки mysqld.
Спешу вас уведомить, что хак Top 'X' Stats от AnimeWebby - полное говнов плане построения запроса. Прошу заценить широту души автора
PHP:
$getstats_posters = $DB_site->query("SELECT userid, username, posts FROM " . TABLE_PREFIX . "user ORDER BY posts DESC LIMIT 0, $displayrecords");
while ($getstats_poster = $DB_site->fetch_array($getstats_posters))
{
eval('$stats_posters .= "' . fetch_template('forumhome_stats_poster') . '";');
}
$getstats_members = $DB_site->query("SELECT userid, username, posts, joindate FROM " . TABLE_PREFIX . "user ORDER BY joindate DESC LIMIT 0, $displayrecords");
while ($getstats_member = $DB_site->fetch_array($getstats_members))
{
eval('$stats_members .= "' . fetch_template('forumhome_stats_member') . '";');
}
// filter out deletion notices if can't be seen
$forumperms = fetch_permissions($forumid);
if (!($permissions['forumpermissions'] & CANSEEDELNOTICE))
{
$delquery = ", NOT ISNULL(deletionlog.primaryid) AS isdeleted, deletionlog.userid AS del_userid, deletionlog.username AS del_username, deletionlog.reason AS del_reason";
$delthreadlimit = "AND deletionlog.primaryid IS NULL";
$deljoin = "LEFT JOIN " . TABLE_PREFIX . "deletionlog AS deletionlog ON(thread.threadid = deletionlog.primaryid AND type = 'thread')";
}
else
{
$delquery = ", NOT ISNULL(deletionlog.primaryid) AS isdeleted, deletionlog.userid AS del_userid, deletionlog.username AS del_username, deletionlog.reason AS del_reason";
$delthreadlimit = "";
$deljoin = "LEFT JOIN " . TABLE_PREFIX . "deletionlog AS deletionlog ON(thread.threadid = deletionlog.primaryid AND type = 'thread')";
}
$getstats_threads = $DB_site->query("
SELECT thread.threadid, thread.title, thread.lastpost, thread.forumid, thread.replycount, thread.lastposter, thread.dateline, IF(views<=replycount, replycount+1, views) AS views, thread.visible, user.username, user.userid
$delquery
FROM " . TABLE_PREFIX . "thread AS thread
LEFT JOIN " . TABLE_PREFIX . "user AS user ON (user.username = thread.lastposter)
$deljoin
WHERE thread.forumid NOT IN ($excludedforums)
$delthreadlimit
ORDER BY thread.lastpost DESC LIMIT 0, $displayrecords");
while ($getstats_thread = $DB_site->fetch_array($getstats_threads))
{
$getstats_thread[title] = unhtmlspecialchars($getstats_thread[title]);
if (strlen($getstats_thread[title]) > $threadchars)
{
$getstats_thread[titletrimmed] = substr($getstats_thread[title], 0, strrpos(substr($getstats_thread[title], 0, $threadchars), ' ')) . '...';
}
else
{
$getstats_thread[titletrimmed] = $getstats_thread[title];
}
if ($getstats_thread[lastpost] > $bbuserinfo[lastvisit])
{
$getstats_thread[newpost] = true;
}
if ($getstats_thread[isdeleted])
{
$getstats_thread[isdeleted] = true;
}
eval('$stats_threads .= "' . fetch_template('forumhome_stats_thread') . '";');
}
пиндец какойто, как я не усмотрел сразу, обычно проверяю хаки когда ставлю
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Форум сетевых администраторов » Веб Форумы » VBulletin 3.x.x » db overload
21-10-2004 10:52
