問：您好！近來觀察到本站每天發(fā)生一次網(wǎng)站運(yùn)行中規(guī)律性堵塞，SQL占用很高達(dá)150%以上。
,網(wǎng)站規(guī)律性運(yùn)行堵塞，SQL占用很高
答：您好，這個是mysql數(shù)據(jù)庫，占用CPU較高，說明當(dāng)時使用較大，如果您想進(jìn)一步分析，可以通過密碼登入數(shù)據(jù)庫，然后執(zhí)行show processlist;命令，查看當(dāng)時正在執(zhí)行的sql語句,另外再接合當(dāng)時的網(wǎng)站訪問日志，看看是否有異常訪問，非常感謝您長期對我司的支持！
問：請問下登入數(shù)據(jù)庫是用什么命令？謝謝
答：您好，登錄數(shù)據(jù)庫的命令是：
mysql -u -p密碼 回車
然后再輸入show processlist;
可以顯示出當(dāng)前正在執(zhí)行的sql語句，建議在CPU占用比較高的時候查詢,非常感謝您長期對我司的支持！
問：好的，謝謝！根據(jù)命令查詢?nèi)缦?；mysql> show processlist -> show processlish;ERROR 1064 : You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'show processlish' at line 2mysql> show processlist; —— —— —— —— | Id | User | Host | db | Command | Time | State | Info | —— —— —— —— | 824 | monseng | localhost | monseng | Query | 275 | Sending data | SELECT p.* FROM ms_posts AS p INNER JOIN ms_term_relationships AS tr ON p.ID = tr.object_id INNER J || 828 | monseng | localhost | monseng | Query | 267 | Sending data | SELECT p.* FROM ms_posts AS p INNER JOIN ms_term_relationships AS tr ON p.ID = tr.object_id INNER J || 850 | monseng | localhost | monseng | Query | 237 | Sending data | SELECT p.* FROM ms_posts AS p INNER JOIN ms_term_relationships AS tr ON p.ID = tr.object_id INNER J || 853 | monseng | localhost | monseng | Query | 237 | Sending data | SELECT p.* FROM ms_posts AS p INNER JOIN ms_term_relationships AS tr ON p.ID = tr.object_id INNER J || 879 | monseng | localhost | monseng | Query | 216 | Sending data | SELECT p.* FROM ms_posts AS p INNER JOIN ms_term_relationships AS tr ON p.ID = tr.object_id INNER J || 894 | monseng | localhost | monseng | Query | 205 | Sending data | SELECT p.* FROM ms_posts AS p INNER JOIN ms_term_relationships AS tr ON p.ID = tr.object_id INNER J || 897 | monseng | localhost | monseng | Query | 199 | Sending data | SELECT p.* FROM ms_posts AS p INNER JOIN ms_term_relationships AS tr ON p.ID = tr.object_id INNER J || 914 | monseng | localhost | monseng | Query | 185 | Sending data | SELECT p.* FROM ms_posts AS p INNER JOIN ms_term_relationships AS tr ON p.ID = tr.object_id INNER J || 916 | monseng | localhost | monseng | Query | 177 | Sending data | SELECT p.* FROM ms_posts AS p INNER JOIN ms_term_relationships AS tr ON p.ID = tr.object_id INNER J || 917 | monseng | localhost | monseng | Query | 176 | Sending data | SELECT p.* FROM ms_posts AS p INNER JOIN ms_term_relationships AS tr ON p.ID = tr.object_id INNER J || 919 | monseng | localhost | monseng | Query | 176 | Sending data | SELECT p.* FROM ms_posts AS p INNER JOIN ms_term_relationships AS tr ON p.ID = tr.object_id INNER J || 921 | monseng | localhost | monseng | Query | 172 | Sending data | SELECT p.* FROM ms_posts AS p INNER JOIN ms_term_relationships AS tr ON p.ID = tr.object_id INNER J || 922 | monseng | localhost | monseng | Query | 173 | Sending data | SELECT p.* FROM ms_posts AS p INNER JOIN ms_term_relationships AS tr ON p.ID = tr.object_id INNER J || 925 | monseng | localhost | monseng | Query | 172 | Sending data | SELECT p.* FROM ms_posts AS p INNER JOIN ms_term_relationships AS tr ON p.ID = tr.object_id INNER J || 930 | monseng | localhost | monseng | Query | 168 | Sending data | SELECT p.* FROM ms_posts AS p INNER JOIN ms_term_relationships AS tr ON p.ID = tr.object_id INNER J || 931 | monseng | localhost | monseng | Query | 166 | Sending data | SELECT p.* FROM ms_posts AS p INNER JOIN ms_term_relationships AS tr ON p.ID = tr.object_id INNER J || 936 | monseng | localhost | monseng | Query | 156 | Sending data | SELECT p.* FROM ms_posts AS p INNER JOIN ms_term_relationships AS tr ON p.ID = tr.object_id INNER J || 941 | monseng | localhost | monseng | Query | 151 | Sending data | SELECT p.* FROM ms_posts AS p INNER JOIN ms_term_relationships AS tr ON p.ID = tr.object_id INNER J || 945 | monseng | localhost | monseng | Query | 150 | Sending data | SELECT p.* FROM ms_posts AS p INNER JOIN ms_term_relationships AS tr ON p.ID = tr.object_id INNER J || 958 | monseng | localhost | monseng | Query | 136 | Sending data | SELECT p.* FROM ms_posts AS p INNER JOIN ms_term_relationships AS tr ON p.ID = tr.object_id INNER J || 964 | monseng | localhost | monseng | Query | 130 | Sending data | SELECT p.* FROM ms_posts AS p INNER JOIN ms_term_relationships AS tr ON p.ID = tr.object_id INNER J || 970 | monseng | localhost | monseng | Query | 114 | Sending data | SELECT p.* FROM ms_posts AS p INNER JOIN ms_term_relationships AS tr ON p.ID = tr.object_id INNER J || 975 | monseng | localhost | monseng | Query | 114 | Sending data | SELECT p.* FROM ms_posts AS p INNER JOIN ms_term_relationships AS tr ON p.ID = tr.object_id INNER J || 981 | monseng | localhost | monseng | Query | 102 | Sending data | SELECT p.* FROM ms_posts AS p INNER JOIN ms_term_relationships AS tr ON p.ID = tr.object_id INNER J || 983 | monseng | localhost | monseng | Query | 102 | Sending data | SELECT p.* FROM ms_posts AS p INNER JOIN ms_term_relationships AS tr ON p.ID = tr.object_id INNER J || 1001 | monseng | localhost | monseng | Query | 99 | Sending data | SELECT p.* FROM ms_posts AS p INNER JOIN ms_term_relationships AS tr ON p.ID = tr.object_id INNER J || 1006 | monseng | localhost | monseng | Query | 92 | Sending data | SELECT p.* FROM ms_posts AS p INNER JOIN ms_term_relationships AS tr ON p.ID = tr.object_id INNER J || 1009 | monseng | localhost | monseng | Query | 88 | Sending data | SELECT p.* FROM ms_posts AS p INNER JOIN ms_term_relationships AS tr ON p.ID = tr.object_id INNER J || 1014 | monseng | localhost | monseng | Query | 81 | Sending data | SELECT p.* FROM ms_posts AS p INNER JOIN ms_term_relationships AS tr ON p.ID = tr.object_id INNER J || 1017 | monseng | localhost | monseng | Query | 81 | Sending data | SELECT p.* FROM ms_posts AS p INNER JOIN ms_term_relationships AS tr ON p.ID = tr.object_id INNER J || 1024 | monseng | localhost | NULL | Query | 0 | init | show processlist || 1028 | monseng | localhost | monseng | Query | 78 | Sending data | SELECT p.* FROM ms_posts AS p INNER JOIN ms_term_relationships AS tr ON p.ID = tr.object_id INNER J || 1032 | monseng | localhost | monseng | Query | 70 | Sending data | SELECT p.* FROM ms_posts AS p INNER JOIN ms_term_relationships AS tr ON p.ID = tr.object_id INNER J || 1035 | monseng | localhost | monseng | Query | 68 | Sending data | SELECT p.* FROM ms_posts AS p INNER JOIN ms_term_relationships AS tr ON p.ID = tr.object_id INNER J || 1040 | monseng | localhost | monseng | Query | 66 | Sending data | SELECT p.* FROM ms_posts AS p INNER JOIN ms_term_relationships AS tr ON p.ID = tr.object_id INNER J || 1045 | monseng | localhost | monseng | Query | 65 | Sending data | SELECT p.* FROM ms_posts AS p INNER JOIN ms_term_relationships AS tr ON p.ID = tr.object_id INNER J || 1055 | monseng | localhost | monseng | Query | 56 | Sending data | SELECT p.* FROM ms_posts AS p INNER JOIN ms_term_relationships AS tr ON p.ID = tr.object_id INNER J || 1061 | monseng | localhost | monseng | Query | 49 | Sending data | SELECT p.* FROM ms_posts AS p INNER JOIN ms_term_relationships AS tr ON p.ID = tr.object_id INNER J || 1062 | monseng | localhost | monseng | Query | 50 | Sending data | SELECT p.* FROM ms_posts AS p INNER JOIN ms_term_relationships AS tr ON p.ID = tr.object_id INNER J || 1063 | monseng | localhost | monseng | Query | 47 | Sending data | SELECT p.* FROM ms_posts AS p INNER JOIN ms_term_relationships AS tr ON p.ID = tr.object_id INNER J || 1064 | monseng | localhost | monseng | Query | 47 | Sending data | SELECT p.* FROM ms_posts AS p INNER JOIN ms_term_relationships AS tr ON p.ID = tr.object_id INNER J || 1067 | monseng | localhost | monseng | Query | 45 | Sending data | SELECT p.* FROM ms_posts AS p INNER JOIN ms_term_relationships AS tr ON p.ID = tr.object_id INNER J || 1068 | monseng | localhost | monseng | Query | 47 | Sending data | SELECT p.* FROM ms_posts AS p INNER JOIN ms_term_relationships AS tr ON p.ID = tr.object_id INNER J || 1069 | monseng | localhost | monseng | Query | 45 | Sending data | SELECT p.* FROM ms_posts AS p INNER JOIN ms_term_relationships AS tr ON p.ID = tr.object_id INNER J || 1073 | monseng | localhost | monseng | Query | 44 | Sending data | SELECT p.* FROM ms_posts AS p INNER JOIN ms_term_relationships AS tr ON p.ID = tr.object_id INNER J || 1074 | monseng | localhost | monseng | Query | 39 | Sending data | SELECT p.* FROM ms_posts AS p INNER JOIN ms_term_relationships AS tr ON p.ID = tr.object_id INNER J || 1078 | monseng | localhost | monseng | Query | 34 | Sending data | SELECT p.* FROM ms_posts AS p INNER JOIN ms_term_relationships AS tr ON p.ID = tr.object_id INNER J || 1080 | monseng | localhost | monseng | Query | 33 | Sending data | SELECT p.* FROM ms_posts AS p INNER JOIN ms_term_relationships AS tr ON p.ID = tr.object_id INNER J || 1083 | monseng | localhost | monseng | Query | 26 | Sending data | SELECT p.* FROM ms_posts AS p INNER JOIN ms_term_relationships AS tr ON p.ID = tr.object_id INNER J || 1086 | monseng | localhost | monseng | Query | 19 | Sending data | SELECT p.* FROM ms_posts AS p INNER JOIN ms_term_relationships AS tr ON p.ID = tr.object_id INNER J || 1087 | monseng | localhost | monseng | Query | 18 | Sending data | SELECT p.* FROM ms_posts AS p INNER JOIN ms_term_relationships AS tr ON p.ID = tr.object_id INNER J || 1088 | monseng | localhost | monseng | Sleep | 14 | | NULL || 1089 | monseng | localhost | monseng | Query | 15 | Sending data | SELECT p.* FROM ms_posts AS p INNER JOIN ms_term_relationships AS tr ON p.ID = tr.object_id INNER J || 1090 | monseng | localhost | monseng | Query | 14 | Sending data | SELECT p.* FROM ms_posts AS p INNER JOIN ms_term_relationships AS tr ON p.ID = tr.object_id INNER J || 1091 | monseng | localhost | monseng | Query | 12 | Sending data | SELECT p.* FROM ms_posts AS p INNER JOIN ms_term_relationships AS tr ON p.ID = tr.object_id INNER J || 1095 | monseng | localhost | monseng | Query | 7 | Sending data | SELECT p.* FROM ms_posts AS p INNER JOIN ms_term_relationships AS tr ON p.ID = tr.object_id INNER J || 1096 | monseng | localhost | monseng | Query | 3 | Sending data | SELECT p.* FROM ms_posts AS p INNER JOIN ms_term_relationships AS tr ON p.ID = tr.object_id INNER J || 1099 | monseng | localhost | monseng | Query | 6 | Sending data | SELECT p.* FROM ms_posts AS p INNER JOIN ms_term_relationships AS tr ON p.ID = tr.object_id INNER J || 1100 | monseng | localhost | monseng | Query | 1 | Sending data | SELECT SQL_CALC_FOUND_ROWS ms_posts.ID FROM ms_posts LEFT JOIN ms_term_relationships ON (ms_posts. || 1104 | monseng | localhost | monseng | Sleep | 1 | | NULL || 1105 | monseng | localhost | monseng | Sleep | 1 | | NULL || 1107 | monseng | localhost | monseng | Sleep | 0 | | NULL || 1108 | monseng | localhost | monseng | Sleep | 0 | | NULL || 1109 | monseng | localhost | monseng | Sleep | 3 | | NULL || 1110 | monseng | localhost | monseng | Sleep | 1 | | NULL | —— —— —— —— 66 rows in set (0.03 sec)
mysql>
里面好象沒有SQL執(zhí)行查詢，都是Sending data。請問下這種情況表示什么意思？
答：您好，從上面的記錄看，主要是monseng 數(shù)據(jù)庫占用咨詢過高，Sending data狀態(tài)是數(shù)據(jù)正在收集和發(fā)送，執(zhí)行時間較長的具體執(zhí)行的sql語句是：SELECT p.* FROM ms_posts AS p INNER JOIN ms_term_relationships AS tr ON p.ID = tr.object_id INNER**,您需要分析下這個數(shù)據(jù)庫對應(yīng)的網(wǎng)站日志，看看此時是否有異常訪問,另外要排查下這個sql語句的運(yùn)行時間并創(chuàng)建適當(dāng)?shù)乃饕?，建議找專業(yè)的網(wǎng)站開發(fā)人員協(xié)助查看下，非常感謝您長期對我司的支持！
問：您好，剛才從主題中找到這一句相關(guān)文章查詢代碼，是不是問題所在？原代碼如下，是網(wǎng)上抄來的，請幫看一下這個代碼哪里有問題，是否沒有停止？//獲取當(dāng)前文章的前幾篇以及后幾篇文章function monseng_get_post( $previous = true, $number = 1 ) { //global當(dāng)前文章變量 $post 和數(shù)據(jù)庫操作類wpdb global $post, $wpdb; if ( empty( $post ) ) return null; $current_post_date = $post->post_date;//當(dāng)前文章的時間 $join = ''; $posts_in_ex_cats_sql = ''; //加入表 $join = " INNER JOIN $wpdb->term_relationships AS tr ON p.ID = tr.object_id INNER JOIN $wpdb->term_taxonomy tt ON tr.term_taxonomy_id = tt.term_taxonomy_id"; //獲取當(dāng)前文章所屬分類,可以同屬多個分類,如果是自定義的分類法,將category換成對應(yīng)的分類法即可 $cat_array = wp_get_object_terms($post->ID, 'category', array('fields' => 'ids')); $join .= " AND tt.taxonomy = 'category' AND tt.term_id IN (" . implode(',', $cat_array) . ")"; //判斷時間是大于還是小于 $op = $previous ? '<' : '>'; //排序 $order = $previous ? 'DESC' : 'ASC'; $where = $wpdb->prepare("WHERE p.post_date $op %s AND p.post_type = %s AND p.post_status = 'publish' ", $current_post_date, $post->post_type); $sort = "ORDER BY p.post_date $order LIMIT 0, $number"; $query = "SELECT p.* FROM $wpdb->posts AS p $join $where $sort"; $query_key = 'adjacent_post_' . md5($query); $result = wp_cache_get($query_key, 'counts'); if ( false !== $result ) return $result; $result = $wpdb->get_results("SELECT p.* FROM $wpdb->posts AS p $join $where $sort"); if ( null === $result ) $result = ''; wp_cache_set($query_key, $result, 'counts'); return $result; }
答：您好，看程序和上面的數(shù)據(jù)庫查詢無關(guān),我司非程序?qū)I(yè)開發(fā)人員,建議聯(lián)系專業(yè)程序開發(fā)人員分析檢查優(yōu)化下程序,比如可創(chuàng)建適當(dāng)?shù)乃饕嵘樵冃实?非常感謝您長期對我司的支持.由此給您帶來的不便之處,敬請原諒!謝謝!
問：現(xiàn)在又自動恢復(fù)正常了，不知道是什么原因
答：您好，感謝您的反饋,請您后期多觀察下,非常感謝您長期對我司的支持.由此給您帶來的不便之處,敬請原諒!謝謝!
