[SERVER-50144] Removing a shard with in-progress migration coordinators can leave permanently pending config.rangeDeletions document on recipient Created: 06/Aug/20 Updated: 26/Oct/23 |
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| Status: | Backlog |
| Project: | Core Server |
| Component/s: | Sharding |
| Affects Version/s: | None |
| Fix Version/s: | None |
| Type: | Bug | Priority: | Major - P3 |
| Reporter: | Matthew Saltz (Inactive) | Assignee: | Backlog - Catalog and Routing |
| Resolution: | Unresolved | Votes: | 0 |
| Labels: | bkp, oldshardingemea | ||
| Remaining Estimate: | Not Specified | ||
| Time Spent: | Not Specified | ||
| Original Estimate: | Not Specified | ||
| Issue Links: |
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| Assigned Teams: |
Catalog and Routing
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| Operating System: | ALL | ||||||||||||||||||||||||||||
| Sprint: | Sharding 2020-11-02, Sharding 2020-11-16, Sharding 2020-11-30, Sharding 2020-12-14, Sharding 2020-12-28, Sharding 2021-01-11, Sharding EMEA 2021-10-04, Sharding EMEA 2021-10-18 | ||||||||||||||||||||||||||||
| Participants: | |||||||||||||||||||||||||||||
| Linked BF Score: | 143 | ||||||||||||||||||||||||||||
| Description |
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The following scenario can occur:
The presence of this document will permanently prevent any migrations to shard Y for chunks overlapping this chunk. In the case where the migration aborted after migrating some documents to shard Y, this will also leave documents in this chunk orphaned on shard Y. |
| Comments |
| Comment by Matthew Saltz (Inactive) [ 20/Aug/20 ] |
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This ticket should also re-enable checking for orphaned documents at the end of shard_removal_triggers_catalog_cache_invalidation.js, which will be removed as part of |