redis transaction

WIN 10:i5 4440, 8GBTest the transaction speed of RedisThe Redis watch mechanism implementation transaction is an optimistic locking form (which should be a spin lock). For scenarios where concurrency is not high, you can conserve CPU resources (lightweight locks). However, when the competition is intense, the probability of failure is greatly increased, and the r

Jedis Affairs When we use JDBC to connect to MySQL, we need to open the transaction every time we execute the SQL statement, and in MyBatis, we also need to use opensession () to get the session transaction object for SQL execution, query, and so on. When we end the operation of the database, the transaction object is responsible for shutting down the database c

intValuesetinbetween = 23; $ Final intValuesetwithinsession = 42;Panax Notoginseng - /* the * By default all template method call creates a new connection-so + * WATCH, Mutli, EXEC, Unwatch won ' t work because of the missing A * Context. to do use of transaction support use Sessioncallback which the * reuses the underlying connection. + */ -Template.execute (NewSessioncallback() { $ $ @Override - PublicVoid Ex

The cancellation of things uses the Reset () function. The code is as follows: >>> Import Redis >>> r = Redis. Redis () >>> r.set (' Xie ') true >>> r.set (' Man, ' true >>> pipe = R.pipeline () >>> pipe.multi () >>> pipe.set (' Xie ',) >>> pipe.set (' Man ', >>> pipe.reset () >>> # Reset, transactions are canceled, Pipe.set (' Xie ', 18) and Pipe.set (' Man

Redis Series Learning (iii) Java API access and transactions One introduction two business examples supplement three watch order first, the introduction This article provides examples of transactions in the article "Redis Series Learning (iii) Java API access and transactions" , supplementary No business. private void Testtransaction () { System.out.println ("====================== test

http://my.oschina.net/OutOfMemory/blog/300173 Redis version currently in use? 1 2 #redis-cli-v REDIS-CLI 2.6. 4 MULTI, EXEC, DISCARD, and watch are the basis of Redis transactions The 1.MULTI command is used to open a transaction, and it always re

??Characteristics: Continuity transactions can be performed on a single client (in a line range); Execute commands to queue; Mutil similar to begin trans;exec similar commit;Discard is used to abandon transactions;Watch monitoring key, when key changes, the entire transaction failsUnwatch to discard all key monitoring The Exec,discard,unwatch command clears all monitoring from the connection; Multiple commands are executed in one

"This Tutorial directory" What's 1.redis?The author of 2.redis, who also3. Who is using Redis4. Learn to install Redis5. Learn to start Redis6. Using the Redis Client7.REDIS Data Structure-Introduction8.REDIS Data Structure –strings9.RE