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      WordPress 致命错误:第 1832 行 wp-includes/wp-db.php 中允许的内存大小为 5368

      时间:2024-04-13
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                本文介绍了WordPress 致命错误:第 1832 行 wp-includes/wp-db.php 中允许的内存大小为 536870912 字节已用尽(尝试分配 77 字节)的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着跟版网的小编来一起学习吧!

                问题描述

                我最近在我的 WordPress 网站上注意到我有时会收到 500 内部服务器错误.我检查了日志,我有很多行,例如:

                I noticed recently on my WordPress website I'm getting sometimes 500 Internal Server Error. I checked logs and I have many lines like:

                [2016 年 10 月 3 日星期一 01:25:24.357439] [fcgid:warn] [pid 12840] [client83.27.211.107:36968] mod_fcgid:stderr:PHP 致命错误:允许的内存大小为 536870912 字节已用尽(尝试分配 77 字节)在/var/www/vhosts/mywebsite/public_html/wp-includes/wp-db.php 上线1832

                [Mon Oct 03 01:25:24.357439 2016] [fcgid:warn] [pid 12840] [client 83.27.211.107:36968] mod_fcgid: stderr: PHP Fatal error: Allowed memory size of 536870912 bytes exhausted (tried to allocate 77 bytes) in /var/www/vhosts/mywebsite/public_html/wp-includes/wp-db.php on line 1832

                我尝试增加内存限制:

                定义('WP_MAX_MEMORY_LIMIT', '512M');

                define( 'WP_MAX_MEMORY_LIMIT' , '512M' );

                define('WP_MEMORY_LIMIT', '512M');

                define( 'WP_MEMORY_LIMIT' , '512M' );

                甚至更多,但它没有用.无论我设置什么,它仍然超出内存限制一些字节.我认为对数据库的某些查询存在问题,但如何检查?

                And even more, but it didn't work. No matter what I set it still exceeding memory limit by some bytes. I think there's a problem with some queries to a database, but how to check which?

                includes/wp-db.php 的内容:

                Content of the includes/wp-db.php:

                } else {
                    $num_rows = 0;
                    if ( $this->use_mysqli && $this->result instanceof mysqli_result ) {
                        while ( $row = mysqli_fetch_object( $this->result ) ) {
                            $this->last_result[$num_rows] = $row;
                            $num_rows++;
                        }
                    } elseif ( is_resource( $this->result ) ) {
                        // server crashing at line below
                        while ( $row = mysql_fetch_object( $this->result ) ) {
                            $this->last_result[$num_rows] = $row;
                            $num_rows++;
                        }
                    }
                
                    // Log number of rows the query returned
                    // and return number of rows selected
                    $this->num_rows = $num_rows;
                    $return_val     = $num_rows;
                }
                

                推荐答案

                问题是由 iThemes Security 插件引起的.我把它关掉了,错误就消失了.如果我知道这个插件的哪一部分导致超出内存限制,我会进一步调查这个问题并编辑这个答案.

                The problem was caused by iThemes Security plugin. I turned off it and errors have gone. I'll investigate this problem more and edit this answer if I'll know what part of this plugin caused exceeding memory limit.

                这篇关于WordPress 致命错误:第 1832 行 wp-includes/wp-db.php 中允许的内存大小为 536870912 字节已用尽(尝试分配 77 字节)的文章就介绍到这了,希望我们推荐的答案对大家有所帮助,也希望大家多多支持跟版网!

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