Details
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Task
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Status: Closed
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Major - P3
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Resolution: Fixed
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None
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None
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5
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Storage Engines 2020-04-06, Storage - Ra 2020-04-20
Description
When reading a database created by MongoDB 4.4, it can contain timestamps embedded in the data format. We have assertions and verification in the code checking assumptions about how those timestamps work. We should remove that verification/validation from 4.2 - as 4.2 doesn't use timestamps in the same way as 4.4, so keeping the assertions consistent between the two versions leads to upgrade/downgrade pain for users with little incremental safety benefit.
WiredTiger error (-31802) [1585265729:649576][11084:0x7f5196e43700], file:index-34-7471842681911650479.wt, WT_SESSION.open_cursor: __wt_btree_tree_open, 622: unable to read root page from file:index-34-7471842681911650479.wt: WT_ERROR: non-specific WiredTiger error Raw: [1585265729:649576][11084:0x7f5196e43700], file:index-34-7471842681911650479.wt, WT_SESSION.open_cursor: __wt_btree_tree_open, 622: unable to read root page from file:index-34-7471842681911650479.wt: WT_ERROR: non-specific WiredTiger error
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Failed to open a WiredTiger cursor. Reason: UnknownError: -31802: WT_ERROR: non-specific WiredTiger error, uri: table:index-34-7471842681911650479, config: overwrite=false
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This may be due to data corruption. Please read the documentation for starting MongoDB with --repair here: http://dochub.mongodb.org/core/repair
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Fatal Assertion 50882 at src/mongo/db/storage/wiredtiger/wiredtiger_session_cache.cpp 101
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Attachments
Issue Links
- is depended on by
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SERVER-47219 Correct downgrade_after_rollback_via_refetch to not binary downgrade on crash
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- Closed
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- is duplicated by
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- Closed
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