我有一个 PHP 脚本可以更新我网站上最流行和最流行的图片。该脚本旨在由 cron 作业每天运行一次,但我相信由于存储每个图像的每日统计信息的流量数据库(它主要依赖于该数据库)太大,脚本会超时。我在 hostgator 共享主机上,无法增加 max_execution_time,不幸的是,此时 VPS 或专用服务器不可行。如果有人对我可以使用以下脚本或数据库(目前超过 100mb)做什么以使其顺利运行有任何建议,我将不胜感激。您认为截断数据库是个好主意,还是只会弄乱图像数据的重要方面?
当前脚本如下:
<?php
$minute = date("i");
// if($minute=='00') {
include("../config/config.inc.php");
include("../includes/meme-function.php");
$date = date("Y-m-d");
$query = mysql_query("SELECT `meme_id` FROM `$database1`.`memes`");
while($row=mysql_fetch_assoc($query)) {
$query_b = mysql_query("SELECT `views` FROM `$database2`.`daily_meme_stats` WHERE `meme_id` = '$row[meme_id]' ORDER BY `date` DESC");
$c=0; $week=0; $month=0;
while($row_b=mysql_fetch_assoc($query_b)) {
if($c<=5) {
$week=$week+$row_b['views'];
}
$month=$month+$row_b['views'];
}
mysql_query("UPDATE `$database1`.`memes` SET `views_day` = '0', `views_week` = '$week', `views_month` = '$month' WHERE `meme_id` = '$row[meme_id]' LIMIT 1");
mysql_query("INSERT INTO `$database2`.`daily_meme_stats` SET `meme_id` = '$row[meme_id]', `date` = '$date'");
}
$query = mysql_query("SELECT `character_id` FROM `$database1`.`characters`");
while($row=mysql_fetch_assoc($query)) {
$query_b = mysql_query("SELECT `images` FROM `$database2`.`daily_char_stats` WHERE `char_id` = '$row[character_id]' ORDER BY `date` DESC");
$c=0; $week=0; $month=0;
while($row_b=mysql_fetch_assoc($query_b)) {
if($c<=5) {
$week=$week+$row_b['images'];
}
$month=$month+$row_b['images'];
}
mysql_query("UPDATE `$database1`.`characters` SET `images_today` = '0', `images_week` = '$week', `images_month` = '$month' WHERE `character_id` = '$row[character_id]' LIMIT 1");
mysql_query("INSERT INTO `$database2`.`daily_char_stats` SET `char_id` = '$row[character_id]', `date` = '$date'");
}
// }
如果您有任何建议或想法,我将不胜感激。
最佳答案
我的想法:
- 我想到的第一件事是:尝试将两个主要查询拆分到它们自己的文件中。
update-memes.php
,update-chars.php
- 可能会稍微提高
max_execution_time
或禁用它set_time_limit(0);
- 也许将功能转移到 MySQL 存储函数
- 将所有统计(重新)计算移动到任务/工作队列中,例如 Gearman
- 这将在后台持续工作并进行更新
Do you have a recommended file structure including opening and closing tags for each of these files.
您在拆分文件时遇到问题?我们开始吧:
更新-memes.php
<?php
// set_time_limit(0);
include '../config/config.inc.php';
include '../includes/meme-function.php';
$date = date("Y-m-d");
$query = mysql_query("SELECT `meme_id` FROM `$database1`.`memes`");
while($row=mysql_fetch_assoc($query)) {
$query_b = mysql_query("SELECT `views` FROM `$database2`.`daily_meme_stats` WHERE `meme_id` = '$row[meme_id]' ORDER BY `date` DESC");
$c=0; $week=0; $month=0;
while($row_b=mysql_fetch_assoc($query_b)) {
if($c<=5) {
$week=$week+$row_b['views'];
}
$month=$month+$row_b['views'];
}
mysql_query("UPDATE `$database1`.`memes` SET `views_day` = '0', `views_week` = '$week', `views_month` = '$month' WHERE `meme_id` = '$row[meme_id]' LIMIT 1");
mysql_query("INSERT INTO `$database2`.`daily_meme_stats` SET `meme_id` = '$row[meme_id]', `date` = '$date'");
}
?>
update-chars.php
<?php
// set_time_limit(0);
include '../config/config.inc.php';
include '../includes/meme-function.php';
$date = date("Y-m-d");
$query = mysql_query("SELECT `character_id` FROM `$database1`.`characters`");
while($row=mysql_fetch_assoc($query)) {
$query_b = mysql_query("SELECT `images` FROM `$database2`.`daily_char_stats` WHERE `char_id` = '$row[character_id]' ORDER BY `date` DESC");
$c=0; $week=0; $month=0;
while($row_b=mysql_fetch_assoc($query_b)) {
if($c<=5) {
$week=$week+$row_b['images'];
}
$month=$month+$row_b['images'];
}
mysql_query("UPDATE `$database1`.`characters` SET `images_today` = '0', `images_week` = '$week', `images_month` = '$month' WHERE `character_id` = '$row[character_id]' LIMIT 1");
mysql_query("INSERT INTO `$database2`.`daily_char_stats` SET `char_id` = '$row[character_id]', `date` = '$date'");
}
?>
顺便说一句:我删除了 $minute = date("i");//if($minute=='00') {
.没有线索,如果你真的需要它。
计划
将这些行添加到您的 cronjobs(调整路径):
# run stats scripts every hour
00 * * * * /usr/local/bin/php /home/somewhere/update-memes.php
00 * * * * /usr/local/bin/php /home/somewhere/update-chars.php
关于php - 需要帮助分解 PHP 脚本/超过 max_execution_time,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/30921239/