These page cleaners write changed pages from the buffer pool to disk before the space in the buffer pool is required by a database agent.

在数据库代理程序需要缓冲池中的空间之前，这些页清除程序将缓冲池中已更改的页写到磁盘。

youdao

Page cleaners, on the other hand, write changed pages from the buffer pool to disk before the space in the buffer pool is required by a database agent.

另一方面，数据库代理需要缓冲池中的空间之前，页面清洗器将已修改的页面从缓冲池写入磁盘。

youdao

For example, if you had a 2 GB buffer pool, when 60% of changed pages is reached, 1.2 GB (60% of 2 GB) would be written to disk as page cleaners are triggered.

例如，如果您具有一个2 GB的缓冲池，当达到60%的修改页面时，在触发页面清洗器时就有1.2 GB (2 GB的60%)将写入磁盘。

youdao

Polaris cleaners are the number one recognized brand of pool cleaners in the swimming pool industry and have enjoyed more than 40 years as the top selling pressure pool cleaner.

ENGADGET: Polaris' pool-cleaning robots get updated with added intelligence, four-wheel drive