| Steps To Reproduce: |
Create a new client, run insert and remove and inspect the contents of the oplog:
var dbWithSession = new Mongo('localhost:20000').startSession({retryWrites:true}).getDatabase('TestDB');
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For inserts:
dbWithSession.insert({_id: 1});
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The oplog contains lsid/txnNumber information:
{
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"ts" : Timestamp(1508263733, 1),
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"t" : NumberLong(1),
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"h" : NumberLong("5813089571967450467"),
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"v" : 2,
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"op" : "i",
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"ns" : "TestDB.TestColl",
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"ui" : UUID("e551162e-21a0-4c90-82e5-9e6ea239ef1f"),
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"wall" : ISODate("2017-10-17T18:08:53.938Z"),
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"lsid" : {
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"id" : UUID("62f09f8b-5f90-4a5c-9c39-708923793815"),
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"uid" : BinData(0,"47DEQpj8HBSa+/TImW+5JCeuQeRkm5NMpJWZG3hSuFU=")
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},
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"txnNumber" : NumberLong(0),
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"stmtId" : 0,
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"prevOpTime" : {
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"ts" : Timestamp(0, 0),
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"t" : NumberLong(-1)
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},
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"o" : {
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"_id" : 1
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}
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}
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For removes:
dbWithSession.TestColl.remove({_id: 0});
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It doesn't:
{
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"ts" : Timestamp(1508263783, 1),
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"t" : NumberLong(1),
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"h" : NumberLong("6684227120267171736"),
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"v" : 2,
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"op" : "d",
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"ns" : "TestDB.TestColl",
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"ui" : UUID("e551162e-21a0-4c90-82e5-9e6ea239ef1f"),
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"wall" : ISODate("2017-10-17T18:09:43.947Z"),
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"o" : {
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"_id" : 1
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}
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}
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