redis transaction

recovery, Redis support (snapshot and AOF): It depends on snapshots for persistence. aof enhances reliability and affects performance. Memcache is not supported and is usually used for caching to improve performance; MongoDB 1.8 adopts the binlog method to support persistent reliability 6. data consistency (transaction support) Memcache ensures consistency with cas in concurrent scenarios

About MySQL transaction isolation level and MySQL transaction isolation level This article elaborates four concepts related to databases: transactions, database read phenomena, isolation levels, and lock mechanisms. I. Transactions Let's take a look at Baidu encyclopedia's definition of database transactions: Perform a series of operations as a single logical unit, either completely or completely.

EF + Redis (StackExchange. Redis) implements distributed locks, which is feasible in self-testing. stackexchange. redis E-commerce platforms will have a flash sale, for example, 1 yuan flash sale. The most important thing about flash sales is inventory. In many cases, if the inventory is not properly processed, the oversold status may occur. This article uses

Spring entry (3) [transaction control], spring entry transaction control The database needs to be operated during development, and the process of adding, deleting, and modifying operations is one operation. If you need to update multiple tables in a business, the update of any table fails, update of the entire business is a failure. In this case, tables that have been successfully updated must be rolled bac

1 Series Catalogue The Distributed Transaction series (opening) raises questions and research processes Distributed Transaction Series (1.1) Spring transaction manager Platformtransactionmanager Source analysis 2 JDBC Transaction2.1 Examplespublic void save(User user) throws SQLException{ Connection conn=jdbcDao.getConnection(); conn.setA

related information Stats: General Statistics Replication:master/slave Request Information CPU:CPU Occupancy Information Statistics Cluster:redis Cluster Information Keyspace: Database Information statistics All: Return all information Default: Returns general settings information If the command argument is empty, the info command returns all information.> info keyspace> info serverOperation:Introduction to Redis's advanced application experimentsBefore learning

applications, Redis segmentation is usually not considered. (see this very good article, "Running Redis" to learn more about Redis performance optimization and segmentation.) ）Transactions in RedisRedis does not support full ACID transactions like a relational database management system, but its own transactions are also very effective. In essence,

There are four database isolation levels, as described in the high-performance mysql book: Then let's talk about how to modify the transaction isolation level: 1. Modify the global settings, modify the mysql. ini configuration file, and add Copy codeThe Code is as follows:# Optional parameters include: READ-UNCOMMITTED, READ-COMMITTED, REPEATABLE-READ, SERIALIZABLE.[Mysqld]Transaction-isolation = REPEATA