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File temperature information should be preserved when restart the DB #9242

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siying
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@siying siying commented Dec 3, 2021

Summary: Fix a bug that causes file temperature not preserved after DB is restarted, or options.max_manifest_file_size is hit.
Also, pass temperature information to NewRandomAccessFile() to allow users to hack a solution where they don't preserve tiering information.

Test Plan: Add a unit test that would fail without the fix.

Summary: Fix a bug that causes file temperature not preserved after DB is restarted, or options.max_manifest_file_size is hit.
Also, pass temperature information to NewRandomAccessFile() to allow users to hack a solution where they don't preserve tiering information.

Test Plan: Add a unit test that would fail without the fix.
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@siying has imported this pull request. If you are a Facebook employee, you can view this diff on Phabricator.

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@jay-zhuang jay-zhuang left a comment

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LGTM

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