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The type of block in the database buffer cache

2022-08-08 03:33:00 【Aoki and the Wind】

The types of blocks in the database buffer cache are Pinned, Clean, Free, and Dirty.

Pinned is the block of data being read and written.

Clean is a data block that is consistent with the data file.

Free is a block of data that is never used.

Dirty is a modified block of data that is inconsistent with the data file.

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