备份索引告诉它要保留日志多长时间，因此在到达最大尺寸时，该日志将被重命名，一个全新的日志文件又开始了。

The backup index tells it how many old logs to retain, so when the maximum is reached the log is renamed and a fresh new one started.

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要定位最大的图片，对你的站点运行常规抓取操作，然后对表格按照“尺寸(SIZE)”列进行排序，这样会将链接到你站点的最大的文件提到最前面。

To locate the largest images, run the general crawl for your site and then sort the table by "SIZE" column. This will bring up the largest files linked from your site pages.

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在网格视图，stack现在有一个最大尺寸并可以滚动；在播放一个stack时可以选择一个文件夹并导航到那个文件夹，而不是开启一个新的Finder窗口。

In grid view, Stacks now have a maximum size and can be scrolled; and choosing a folder while displaying a stack navigates to that folder in-place, rather than launching a new Finder window.

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