今天在巡检仪套rac的第一节点日志发现以下错误: LMS 8: 7888 GCS shadows traversed, 4001 replayed LMS 2: 7957 GCS shadows traversed, 4001 replayed LMS 0: 6164 GCS shadows traversed, 3120 replayed 查阅资料发现是同步出现了问题。遂看了另外一个节
今天在巡检仪套rac的第一节点日志发现以下错误:
LMS 8: 7888 GCS shadows traversed, 4001 replayed
LMS 2: 7957 GCS shadows traversed, 4001 replayed
LMS 0: 6164 GCS shadows traversed, 3120 replayed
查阅资料发现是同步出现了问题。遂看了另外一个节点的日志。发现节点在今天早上对应的时刻重启了实例,在此记录一下

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Adding MySQL users through the PHP web interface can use MySQLi extensions. The steps are as follows: 1. Connect to the MySQL database and use the MySQLi extension. 2. Create a user, use the CREATEUSER statement, and use the PASSWORD() function to encrypt the password. 3. Prevent SQL injection and use the mysqli_real_escape_string() function to process user input. 4. Assign permissions to new users and use the GRANT statement.

MySQL'sBLOBissuitableforstoringbinarydatawithinarelationaldatabase,whileNoSQLoptionslikeMongoDB,Redis,andCassandraofferflexible,scalablesolutionsforunstructureddata.BLOBissimplerbutcanslowdownperformancewithlargedata;NoSQLprovidesbetterscalabilityand

ToaddauserinMySQL,use:CREATEUSER'username'@'host'IDENTIFIEDBY'password';Here'showtodoitsecurely:1)Choosethehostcarefullytocontrolaccess.2)SetresourcelimitswithoptionslikeMAX_QUERIES_PER_HOUR.3)Usestrong,uniquepasswords.4)EnforceSSL/TLSconnectionswith

ToavoidcommonmistakeswithstringdatatypesinMySQL,understandstringtypenuances,choosetherighttype,andmanageencodingandcollationsettingseffectively.1)UseCHARforfixed-lengthstrings,VARCHARforvariable-length,andTEXT/BLOBforlargerdata.2)Setcorrectcharacters


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