engine mysql

Due to frequent data updates and fast data volume growth, the machine disk cannot keep up with the pace. The database shard and migration history database are used. Data Optimization now, Due to frequent data updates and fast data volume growth, the

1 MySQL IntroductionReferenceMysql was developed by more than 1985 Swedish boys. Later, they established Mysql AB. At that time, they developed mysql to provide data warehouse services for retailers, this is why mysql is good at querying rather than

There are many articles on the Internet that teach you how to configure a MySQL server. However, considering the differences in server hardware configurations and specific applications, the practices in these articles can only be used as a reference

When the system variable innodb_table_locks1 is used, LOCKTABLES holds two locks on the table. One is the lock held by the MySQL layer, and the other is the lock held by the InnoDB layer. When the system variable innodb_table_locks = 1, lock tables

Online modification of table object structure: Before MySQL5.6 1. Create a temporary table with the same structure as the original table object (invisible to users in implicit operations) and structure the table Online modification of table object

I have been confused about the differences between binlog and innodblog files in mysql. I have been wondering in my mind that the binlog log file can be used for database logs. I have been confused about the difference between bin log and innodb log

In this article, I will discuss a related topic: ndash; InnoDB Transaction Isolation Mode, their relationships with MVCC (Multi-version concurrency control), and how they affect In this article, I will discuss a related topic: ndash; InnoDB

MyISAM:The default MySQL plug-in storage engine is one of the most commonly used storage engines in Web, data warehousing, and other application environments. Note: by changing the STORAGE_ENGINE configuration variables, you can easily change the

Kamailio is an open-source SIP server, formerly known as OpenSER. It runs C Programs on Linux/Unix platforms. It has good performance, flexibility and security. Weblinks · Homepagewithnewprojectname: http://www.kamailio.org · Home & Kamailio is an

Common InnoDB Parameter Parsing 1. Files (data files and log files) 1. Related Parameters: innodb_data_home_dirinnodb_data_file_pathfile_name Common InnoDB Parameter Parsing 1. Files (data files and log files) 1. Related Parameters: innodb_data_home_

The Innodb Storage engine supports XA transactions and distributed transactions. Distributed transactions refer to multiple independent transaction resources (transactionalres ). The Innodb Storage engine supports XA transactions and distributed

Recently, the mysqlinnodb storage engine has been optimized to convert the shared tablespace to an independent tablespace. I didn't think so much at the beginning, so I had to promote it in a short time, So I optimized it, Recently, the mysql innodb

When did dirtypage access flushlist? Those who have read my previous documents know that the InnoDB Storage engine has a so-called mini-transaction, page When did dirty page access the flush list? Those who have read my previous documents know that

When the number of shards is large or the bufferpool is large, we need to be at risk-when executing DDL statements on the Innodb Storage engine, the entire system will be hang for a short time, and When there are a large number of fragments or a

The MySQL table type and storage engine version are inconsistent. The old version of mysql client Navicate 8 is used, and the mysql server uses the version of mysql5.6. The version is incorrect when the engine version is modified; Mysql error 'Type =

Comparison between PostgreSQL and MySQL Features MySQL PostgreSQL Instance Run the MySQL Command (mysqld) to start the instance. One instance can manage one or more databases. One server can run multiple mysqld instances.

Enable InnoDB Engine in Mysql5.1.46 As we all know, the default engine of Mysql5.1.46 is Myisam. How can I enable the InnoDB engine? I encountered many errors when installing the database and enabling the InnoDB engine. I will list them for your

(Translator's note: The author uses this question to intercept another article of the same name) Justin Silverton of Jaslabs lists ten statements related to optimizing MySQL queries. I have to comment on this because the list is very bad. Another

MySql Performance-related concepts (performance tip0) bitsCN.com Topic: this is something that was recently recorded in high-performance MySqL version 2 ~ # Read locks (shared locks) and write locks (exclusive locks): Read locks are shared and are

Mysql transactions and lock mechanisms bitsCN.com The characteristic ACID of a transaction, that is, atomicity, consistency, isolation, and durability. Atomicity ensures that a transaction is a minimum unit and cannot be split internally.