global transaction

(1) exception information such as the following:Severity: Servlet.service () for Servlet Action threw exceptionjava.lang.RuntimeException: no currentsessioncontext Configured!at Com.lc.utils.HibernateUtil.executeQuery (hibernateutil.java:56) at

1 The session created by Getcurrentsession is bound to the current thread, and Opensession does not.2 the thread created by Getcurrentsession automatically shuts down after a transaction is rolled back or the thing commits, and opensession must be

One of the new features of MySQL 5.6 is the addition of a global transaction ID (Gtid) to enhance the database's primary provisioning consistency, failback, and fault tolerance. What is Gtid? Official documentation:http://dev.mysql.com/doc/refman/5

Preface Application Scenario Transactions must meet the characteristics of traditional transactions, namely atomicity, consistency, separation, and persistence . But in the distributed transaction process, Some venues, such as in the e-commerce

http://blog.itpub.net/27067062/viewspace-2141906/I. Overview of GtidGTID is a new feature of MYSQL5.6, GTID (Global Transaction Identifier) is all known as the global transaction identifier, the database instance transaction unique identifier, its

What is the concept of Gtid GITDGTID (Global transaction Identifier) is the global transaction identifier that was introduced as a super feature in the MySQL5.6 version. The transaction ID is unique not only to the Master (Origin) server, but also

A transaction did not commit to the B transaction is equal to not do get the previous dataBut the query in a transaction is the data after the operation.Data that is not submitted is only visible to itself and is not being update to the

MySQL database Advanced (vii)--Transaction and lock, Transaction introduction 1, Transaction introductionA transaction (Transaction) is a series of operations performed as a single logical unit of work.2, the characteristics of the transactionA,

1, using the mysqldump times error (1064), this is because the mysqldump version is too low due to the current database version inconsistency.Mysqldump:couldn ' t execute ' SET OPTION sql_quote_show_create=1 ': You have a error in your SQL syntax;

Tagged: Server server multithreading MySQL styleGtid,global Transaction Identifiers, the global transaction identifier consists of a unique identifier for the server's UUID and transaction ID number. After MySQL 5.6, the transaction header records

MySQL Presumably everyone is not unfamiliar, before the article also introduced synchronous replication and semi-synchronous replication, today first to understand what is gtid.GTID (Global transaction ID) global transaction ID, which is a random

---The outline of this articleFirst, what is GtidSecond, the application scenarioThree, multi-threaded replication instructionsIv. Process of realizationFive, multi-source replication principleVi. the process of realization---------------------------

Understanding of the transaction itself1. A transaction is a set of atomic SQL queries that are either completely successful or fail completely for queries within a transaction. 2.mysql The default transaction is automatically committed, that is,

I. The introduction of NoSQLNoSQL, which refers to non-relational databases. With the rise of internet web2.0 website, the traditional relational database in coping with web2.0 website, especially the web2.0 pure dynamic website of ultra-large-scale

In fact, this is the first time I have published my opinion on topics related to Orm. However, since such articles already exist, I should have discussed them again this time. The reason for writing this blog post is that I have implemented an ORM

Java EE traditional transactions have two strategies: 1. Global transactions JTA global transaction Transaction Ts = CTX. Lookup (..); // Business logic TX. Commit (); TX. rollback (); 2. Local transactions 2.1.jdbc local transaction Connection conn

Instance efficiency percentages Data Buffer hit ratio #Buffer Nowait ratio #Library hit ratio #In memory sort ratio #Redo Nowait ratio #Soft parse ratio #Latch hit ratio #Percent non-Parse CPU #Percent parse CPU to parse elapsed #Execute to parse

1. Transaction can be divided into local transaction and global transaction.A connection commit is called a local transaction.The commit involving multiple connections is called global transaction.The author mentioned that global transaction. 2.

ORA-00001: violation of unique constraints (.) ORA-00017: Request session to set trace event ORA-00018: exceeds Max sessions ORA-00019: exceeds Max session licenses ORA-00020: exceeds Max processes () ORA-00021: Session is attached to some other

Galeramysql cluster memo Mysql Cluster BitsCN.com FeaturesMySQL/Galera is a multi-master synchronization cluster, but it only uses the MySQL/InnoDB engine and has the following features:Synchronous replicationTopology of multiple master