标题: MySQL Innovation Day Highlights【5.6的改进】 [打印本页] 作者: hm3030 时间: 2012-6-7 17:08 标题: MySQL Innovation Day Highlights【5.6的改进】 The GPL Community version of the MySQL server will have:
-- MySQL Replication has a lot of different enhancements, the most ever in a release.
-- High Availability and Fail-over
-- Global Transaction Ids
-- Replication Administration and Fail-over Utilities
-- Better Data Integrity
-- Crash-Safe Slaves, Replication Checksums, Crash-Safe Binlog
-- Better Performance, Scale
-- Multi-threaded slaves
-- Reduced Binlog size for RBR
-- Extra flexibility
-- Time-delayed replication
-- Simpler troubleshooting
-- Row-based repl. logging of original query
-- Enhanced Monitoring/Management
-- New optimizer enhancements
-- Subquery Optimizations
-- File sort optimizations with small limit
-- Index Condition Pushdown
-- Batched Key Access and Multi Range Read
-- Postpone Materialization of views/subqueries
--Explain
--Update, Insert and Delete
--JOSN output options
-- MySQL Performance Schema in MySQL 5.6 will monitor and track everything in your MySQL server with very little overhead!
-- InnoDB enhancements
-- Better Performance, Scale
-- Improved performance on multi-core/CPU servers
-- Improved thread scheduling
-- Reduced contention during file extension
-- Deadlock detection now non-recursive
-- Improve LRU flushing
-- Increase max redo log size
-- Separate tablespaces for undo log
-- Fast checksum
-- Better recovery
-- Dump and restore buffer pool
-- Better Usability
-- Full-text Search
-- Variable page sizes – 4k, 8k
-- Larger limit of index key prefixes (3072 bytes)
News on MySQL Cluster 7.3:
-- Will have Foreign Keys!
-- Automate configurations and provisioning ( labs.mysql.com )
Reasons for Cluster:
-- 1.2 Billion UPDATES ACID compliant transactions per minute.
-- Elastic Cluster growing in minutes
-- Online Scale-out and Schema changes
-- Shared nothing with no single point of failure
"We believe that NoSQL and MySQL should work side by side". Why have different sets of data when you can take advantage of the same data in different ways. Look for NoSQL and MySQL to work together in Cluster and InnoDB (labs.mysql.com).