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HomeDatabaseMysql TutorialMySQL 5.6.7-RC 的 tpcc-mysql 基准测试结果

MySQL 5.6.7 RC 前些天发布了,因此我决定使用 tpcc-mysql 对其表现进行测试,包括性能和稳定性方面。不晓得是不是因为是 RC 版本

MySQL 5.6.7 RC 前些天发布了,因此我决定使用 tpcc-mysql 对其表现进行测试,,包括性能和稳定性方面。

我不能说我的测试过程是完美无瑕的,因为发现了两个 bug :

  • MySQL 5.6.7 在 CREATE INDEX 时锁住了
  • MySQL 5.6.7-rc 在使用 tpcc-mysql 工作负载测试时崩溃
  • 不晓得是不是因为是 RC 版本的原因,后来向 Oracle 提交一些反馈,下面是详细的测试环境:

     

  • 测试日期: Oct-2012
  • 测试目的: 测试 MySQL 5.6.7 的表现
  • 硬件换
  • 软件
  • 操作系统: CentOS 6.3
  • MySQL 版本: 5.6.7-RC
  • 测试规范
  • 不同的测试参数: 使用几组不同的 innodb_buffer_pool_size:13, 25, 50, 75, 100, 125GB , innodb_buffer_pool_instances: 1 and 8, and innodb_log_file_size: 2x4GB and 2x8GB.
  • 测试结果:

    第一个结果使用的事 2x4GB 的 InnoDB 日志文件:

    我们可看出当 innodb_buffer_pool_instances=8 在很小的 buffer_pool 大小时有很大的不同,而使用大的 buffer_pool 时,innodb_buffer_pool_instances=1 的表现最棒。

    测试结果在大的 buffer_pool 时是很稳定的,原因是 InnoDB 使用异步 flush 模式,在新的 InnoDB flush 机制下以前的问题已经修复。不过 Dimitry 告诉我需要一个更大的 InnoDB 日志文件来获得更稳定的结果。

    下面是 2x4GB vs 2x8GB innodb 日志文件大小的比较:

    很显然,使用更大的日志文件,测试结果更稳定!

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