Storage: Fix max-id being mis-reused cause data corruption after changing tiflash replica number#8698
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[APPROVALNOTIFIER] This PR is APPROVED This pull-request has been approved by: JinheLin, Lloyd-Pottiger The full list of commands accepted by this bot can be found here. The pull request process is described here DetailsNeeds approval from an approver in each of these files:
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…ging tiflash replica number (pingcap#8698) close pingcap#8695
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What problem does this PR solve?
Issue Number: close #8695
Problem Summary: As the issue describe: #8695 (comment)
What is changed and how it works?
Introduce a
GlobalPageIdAllocatorto avoid a page_id from being reused in one physical_table_id scope. Specifically,GlobalPageIdAllocatorto allocate page_id for segment_id, delta-layer and stable-layer for all IStorage instances instead of eachStoragePoolallocate the page_id for its own IStorage instance independentlyGlobalPageIdAllocator. After that, a table won't be able to reuse the allocated idGlobalPageIdAllocator, so no page_id will be reused too.Check List
Tests
Side effects
Documentation
Release note