Details
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Task
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Resolution: Fixed
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Major - P3
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None
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Fully Compatible
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Sharding 2020-12-28
Description
As part of the rename flow for sharded collections, the primary shard will issue on the CSRS a transaction enclosing the following operations:
- Update config.collections entry: change nss and epoch (it is actually needed to delete/recreate the document since the namespace is saved in the immutable _id field).
- Update config.chunks entries: change epoch/timestamp (no need to consider the nss field: it's thrown out under SERVER_53105 and rename will just happen with stable FCV)