Nhat Nguyen 444b47ce88 Relax maxSeqNoOfUpdates assertion in FollowingEngine (#47188)
We disable MSU optimization if the local checkpoint is smaller than
max_seq_no_of_updates. Hence, we need to relax the MSU assertion in
FollowingEngine for that scenario. Suppose the leader has three
operations: index-0, delete-1, and index-2 for the same doc Id. MSU on
the leader is 1 as index-2 is an append. If the follower applies index-0
then index-2, then the assertion is violated.

Closes #47137
2019-09-27 14:00:20 -04:00
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