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Anti-database theft-Web Front-end slow Encryption0x00 Preface The world's martial arts, only fast. However, different passwords are encrypted. The faster the algorithm, the easier it is to break. 0x01 brute force cracking Password cracking means restoring the encrypted password to a plaintext password. There seems to be many ways, but in the end, we have to go one way: brute force. You may say that you can also look up the table and get the results in

How does MySQL clear slow Query files, I. Overview This chapter mainly describes how to generate a new slow Query file online when the slow Query file is large. Test environment: mysql 5.6.21 Step 2 Configure slow Query The default my. cnf file is in the/etc/directory. Vim/etc/my. cnf # Slow_queryslow_query_log = 1 # e

One: Query the status of slow log, as shown in the sample code, slow log is already open.Mysql>Show variables like '%slow%';+---------------------+------------------------------------------+|Variable_name|Value|+---------------------+------------------------------------------+|Log_slow_queries| on ||Slow_launch_time| 2

Web Front-end slow Encryption 0x00 Preface The world's martial arts, only fast. However, different passwords are encrypted. The faster the algorithm, the easier it is to break.0x01 brute force cracking Password cracking means restoring the encrypted password to a plaintext password. There seems to be many ways, but in the end, we have to go one way: brute force. You may say that you can also look up the table and get the results in an instant. Altho

Label:First we look at the log in MySQL, mainly includes: error log, query log, slow query log, transaction log, binary log; Logs are an important part of the MySQL database. The log file records the changes that occurred during the MySQL database operation, which is used to record the client connection status of the MySQL database, the execution of the SQL statement, and the error message. When the database is accidentally damaged, you can view the c

(1) Configuration Open Linux: Add the following statement to the MySQL configuration file my.cnf: Log-slow-queries=/var/lib/mysql/slowquery.log #指定日志文件存放位置, can be null, the system will give a default file Host_name-slow.logLong_query_time=5 #记录超过的时间, the default is 10s, this is set to query time more than 5s query statementlog-queries-not-using-indexes = on # list query statements that do not use indexes#log-queries-not-using-indexes whether to lo

How to record MySQL slow query SQL logs Modify the mysqld section of my. CNF:Long_query_time = 1 // defines the slow query time. 1 indicates 1 second.-- Log-Slow-queries [= file_name] // record slow query to log files-- Log-queries-not-using-indexes // records SQL statements that do not use indexes to log files.Instanc

This chapter describes how to generate a new slow query file online when the slow query file is large. Test Environment: mysql5.6.21 step 1 configure slow query default my. cnf file in the etc directory vimetcmy. cnf # slow_queryslow_query_log1 # enable slow query slo overview This chapter mainly describes how to ge

1. the definition of slow query refers to all SQL statements that have been executed beyond the time threshold set by long_query_time. Slow query logs are the logs that record these SQL statements. 2 enable slow query log find mysql configuration file my. cnf. add log-slow-queriesD: MySQLlogmysqld-

MySQL slow query analysis bitsCN.com MySQL slow query analysis is essential for optimizing database slow query statements when we perform systematic optimization, especially for e-commerce-type severe MYSQL applications. Let's take a look at how to analyze MYSQL slow queries. 1. enable MYSQL

Summary of Mysql slow query operations and summary of mysql Mysql slow query explanation The slow query log of MySQL is a log record provided by MySQL. It is used to record the statements whose response time exceeds the threshold value in MySQL, specifically the SQL statement whose running time exceeds the long_query_time value, the log is recorded in the

Surfing the Internet has become an indispensable way of work and leisure in our daily life. However, in our daily work, we often encounter questions such as "why is the network speed slow and how to do with the network speed slow. To solve these problems, we should first understand some concepts. I. Some basic concepts about network speed 1. network speed and bandwidth The network speed usually refers