Have resharding oplog fetcher resume from 'ts' component of largest _id inserted

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    • Fully Compatible
    • Sharding 2021-02-22
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      The largest _id value in the config.localReshardingOplogBuffer.<existingUUID>.<donorShardId> collection should be used with {$match: {ts: {$gte: <resume oplog buffer _id.ts>}}} to resume. Properties to ensure are being tested:

      1. The oplog fetcher for resharding must not trigger a duplicate key error when resuming.
      2. The oplog fetcher for resharding must not miss a document when resuming.

            Assignee:
            Yuhong Zhang
            Reporter:
            Max Hirschhorn
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              Created:
              Updated:
              Resolved: