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  1. Core Server
  2. SERVER-40806

Router should choose first *write* participant shard as transaction recovery shard

    • Fully Compatible
    • Sharding 2019-05-06

      Until now, the first participant has been both the recovery shard and coordinator shard.

      With the single-write-shard implementation of first sending commit to read-only shards, then sending commit to the write-shard, it is unsafe for the first participant to be used as a recovery shard. This is because the first participant may be read-only.

      Instead, the first write participant will be the recovery shard.

            Assignee:
            esha.maharishi@mongodb.com Esha Maharishi (Inactive)
            Reporter:
            esha.maharishi@mongodb.com Esha Maharishi (Inactive)
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              Created:
              Updated:
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