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(ITS#6807) syncrepl sends incomplete sync cookie in MMR
Full_Name: Howard Chu
Submission from: (NULL) (126.96.36.199)
Submitted by: hyc
In syncrepl_updateCookie() the cookie received from the provider is dup'd as-is.
If the provider is stopped and restarted, this same cookie will be sent back on
the next refresh attempt. In refreshAndPersist mode the cookies sent from the
provider will only contain a single CSN; CSNs from other MMR servers are
omitted. During a restart, because the consumer sends a cookie with only one
CSN, the provider will consider the consumer out of date.
A fix is coming shortly.