Details
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Task
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Resolution: Unresolved
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Major
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Cheshire-Cat
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DOC-2021-Aug29-S17, DOC-2021-Sep12-S18, DOC-2021-Sep26-S19, DOC-2021-Oct10-S20, DOC-2021-Oct24-S21
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1
Description
A specific CBSE issue that showed up for an in-house upgrade situation reveals that XDCR may spam logs with warning messages.
This happens when the source cluster is in mixed mode situation, where a subset of nodes are at 7.0 and the rest are not (<7.0), and the target cluster as a whole is <7.0 (i.e. mixed mode or running 6.6).
A possible workaround involves the use of tuning the statsInterval replication setting. But that means customers may need to restore the old values once the source cluster is fully upgraded.
More details will be posted in a comment below with restricted access.