mysql无故重启网站缓慢-mysql教程-PHP中文網

首頁

資料庫

mysql教程

mysql无故重启网站缓慢

WBOYWBOYWBOYWBOYWBOYWBOYWBOYWBOYWBOYWBOYWBOYWBOYWB

Jun 06, 2016 am 09:44 AM

mysql

最近网站从discuz 2.0升级到3.1后，网站大约每隔12小时左右，会变慢，变得非常慢，然后mysql报错，1040 notconnection
问题是，后台的日志里没有留下错误信息，而且，大约10分钟内，它会自动重启。

下面是日志：

140411 20:50:09 [Warning] Statement may not be safe to log in statement format. Statement: UPDATE pre_common_plugin_luckypostlog SET badtimes = badtimes+1 WHERE uid = '43010' LIMIT 1
140411 20:51:29 [Warning] Statement may not be safe to log in statement format. Statement: UPDATE pre_common_plugin_luckypostlog SET badtimes = badtimes+1 WHERE uid = '43010' LIMIT 1
140411 20:52:02 [Warning] Statement may not be safe to log in statement format. Statement: UPDATE pre_common_plugin_luckypostlog SET badtimes = badtimes+1 WHERE uid = '43010' LIMIT 1
140411 20:58:06 [Warning] Statement may not be safe to log in statement format. Statement: UPDATE pre_common_plugin_luckypostlog SET goodtimes = goodtimes+1 WHERE uid = '21013' LIMIT 1
140411 21:00:29 [Warning] Statement may not be safe to log in statement format. Statement: UPDATE pre_common_plugin_luckypostlog SET badtimes = badtimes+1 WHERE uid = '43953' LIMIT 1
140411 21:02:05 [Warning] Statement may not be safe to log in statement format. Statement: UPDATE pre_common_plugin_luckypostlog SET goodtimes = goodtimes+1 WHERE uid = '43953' LIMIT 1
140411 21:02:30 [Warning] Statement may not be safe to log in statement format. Statement: UPDATE pre_common_plugin_luckypostlog SET goodtimes = goodtimes+1 WHERE uid = '43953' LIMIT 1
140411 21:04:49 [Warning] Statement may not be safe to log in statement format. Statement: UPDATE pre_common_plugin_luckypostlog SET badtimes = badtimes+1 WHERE uid = '43953' LIMIT 1
140411 21:16:12 [Warning] Statement may not be safe to log in statement format. Statement: UPDATE pre_common_plugin_luckypostlog SET goodtimes = goodtimes+1 WHERE uid = '26253' LIMIT 1
140411 21:36:42 [Note] /usr/local/mysql/libexec/mysqld: Normal shutdown

140411 21:36:42 [Note] Event Scheduler: Purging the queue. 0 events
140411 21:36:42 [Note] /usr/local/mysql/libexec/mysqld: Shutdown complete

140411 21:36:42 mysqld_safe mysqld from pid file /usr/local/mysql/var/k130811kd.pid ended
140411 21:36:44 mysqld_safe Starting mysqld daemon with databases from /usr/local/mysql/var
140411 21:36:44 [Warning] '--skip-locking' is deprecated and will be removed in a future release. Please use '--skip-external-locking' instead.
140411 21:36:44 [Note] Event Scheduler: Loaded 0 events
140411 21:36:44 [Note] /usr/local/mysql/libexec/mysqld: ready for connections.
Version: '5.1.60-log' socket: '/tmp/mysql.sock' port: 3306 Source distribution

请问如何处理是好。。。

陳述

本文內容由網友自願投稿，版權歸原作者所有。本站不承擔相應的法律責任。如發現涉嫌抄襲或侵權的內容，請聯絡admin@php.cn

將用戶添加到MySQL：完整的教程May 12, 2025 am 12:14 AM

掌握添加MySQL用戶的方法對於數據庫管理員和開發者至關重要，因為它確保數據庫的安全性和訪問控制。 1)使用CREATEUSER命令創建新用戶，2)通過GRANT命令分配權限，3)使用FLUSHPRIVILEGES確保權限生效，4)定期審計和清理用戶賬戶以維護性能和安全。

掌握mySQL字符串數據類型：varchar vs.文本與charMay 12, 2025 am 12:12 AM

chosecharforfixed-lengthdata，varcharforvariable-lengthdata，andtextforlargetextfield.1）chariseffity forconsistent-lengthdatalikecodes.2）varcharsuitsvariable-lengthdatalikenames，ballancingflexibilitibility andperformance.3）

MySQL：字符串數據類型和索引：最佳實踐May 12, 2025 am 12:11 AM

在MySQL中處理字符串數據類型和索引的最佳實踐包括：1)選擇合適的字符串類型，如CHAR用於固定長度，VARCHAR用於可變長度，TEXT用於大文本；2)謹慎索引，避免過度索引，針對常用查詢創建索引；3)使用前綴索引和全文索引優化長字符串搜索；4)定期監控和優化索引，保持索引小巧高效。通過這些方法，可以在讀取和寫入性能之間取得平衡，提升數據庫效率。

mysql：如何遠程添加用戶May 12, 2025 am 12:10 AM

ToaddauserremotelytoMySQL,followthesesteps:1)ConnecttoMySQLasroot,2)Createanewuserwithremoteaccess,3)Grantnecessaryprivileges,and4)Flushprivileges.BecautiousofsecurityrisksbylimitingprivilegesandaccesstospecificIPs,ensuringstrongpasswords,andmonitori

MySQL字符串數據類型的最終指南：有效的數據存儲May 12, 2025 am 12:05 AM

tostorestringsefliceflicyInmySql，ChooSetherightDataTypeBasedyOrneOrneEds：1）USEcharforFixed-LengthStstringStringStringSlikeCountryCodes.2）UseVarcharforvariable-lengtthslikenames.3）USETEXTCONTENT.3）

mysql blob vs.文本：為大對象選擇正確的數據類型May 11, 2025 am 12:13 AM

選擇MySQL的BLOB和TEXT數據類型時，BLOB適合存儲二進制數據，TEXT適合存儲文本數據。 1)BLOB適用於圖片、音頻等二進制數據，2)TEXT適用於文章、評論等文本數據，選擇時需考慮數據性質和性能優化。

MySQL：我應該將root用戶用於產品嗎？May 11, 2025 am 12:11 AM

No,youshouldnotusetherootuserinMySQLforyourproduct.Instead,createspecificuserswithlimitedprivilegestoenhancesecurityandperformance:1)Createanewuserwithastrongpassword,2)Grantonlynecessarypermissionstothisuser,3)Regularlyreviewandupdateuserpermissions

MySQL字符串數據類型說明了：選擇適合您數據的合適類型May 11, 2025 am 12:10 AM

mySqlStringDatatAtatPessHouldBechoseBasedondatActarActeristicsAndusecases：1）USEcharforFixed lengthStstringStringStringSlikeCountryCodes.2）usevarcharforvariable-lengtthslikeLikenames.3）usebarnionororvarinyorvarinyorvarybinarydatalgebenedaTalgeextocrabextrapon.4）

See all articles