现在,读取事务可以访问当前提交的、连贯的行映像(写入事务以不兼容方式锁定),而不会受到阻塞。
Now, a read transaction can access the currently committed and consistent image of rows that are incompatibly locked by write transactions without being blocked.
映像以这种方式传递可以使成本和运行复杂软件栈的配置、安装以及维护最小化。
Delivery of an image in this manner minimizes the cost and complexity of the installation, configuration, and maintenance of running complex stacks of software.
检查外部快照中的空闲空间量的另一种方式是,挂载映像并使用df命令。
Another way to check the amount of free space in an external snapshot is to mount the image and use the df command.
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