Initial sync creates _id index even if collection does not have one

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    • Type: Bug
    • Resolution: Done
    • Priority: Major - P3
    • 3.3.10
    • Affects Version/s: None
    • Component/s: Replication
    • None
    • Fully Compatible
    • ALL
    • v3.2
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      var name = 'initial_sync_index_creation';
var replSet = new ReplSetTest({
    name: name,
    nodes: 1,
});

replSet.startSet();
replSet.initiate();
var primary = replSet.getPrimary();

primary.getDB('test').runCommand({create:'foo', autoIndexId:false})
primary.getDB('test').foo.insert({a:1})
assert.eq(primary.getDB('test').foo.getIndexes().length, 0);

// Add a secondary node but make it hang before copying databases.
var secondary = replSet.add();
secondary.setSlaveOk();
replSet.reInitiate();
replSet.awaitSecondaryNodes(200 * 1000);

assert.eq(primary.getDB('test').foo.getIndexes().length, 0);
assert.eq(primary.getDB('test').foo.count(), 1);
assert.eq(secondary.getDB('test').foo.count(), 1);
assert.eq(secondary.getDB('test').foo.getIndexes().length, 0);
      Show
      var name = 'initial_sync_index_creation'; var replSet = new ReplSetTest({ name: name, nodes: 1, }); replSet.startSet(); replSet.initiate(); var primary = replSet.getPrimary(); primary.getDB('test').runCommand({create:'foo', autoIndexId:false}) primary.getDB('test').foo.insert({a:1}) assert.eq(primary.getDB('test').foo.getIndexes().length, 0); // Add a secondary node but make it hang before copying databases. var secondary = replSet.add(); secondary.setSlaveOk(); replSet.reInitiate(); replSet.awaitSecondaryNodes(200 * 1000); assert.eq(primary.getDB('test').foo.getIndexes().length, 0); assert.eq(primary.getDB('test').foo.count(), 1); assert.eq(secondary.getDB('test').foo.count(), 1); assert.eq(secondary.getDB('test').foo.getIndexes().length, 0);
    • Repl 17 (07/15/16)
    • None
    • 3
    • None
    • None
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      If you create an index with autoIdIndex: false and then initial sync a node off of that it will still create the _id index.

            Assignee:
            Judah Schvimer
            Reporter:
            Judah Schvimer
            Votes:
            0 Vote for this issue
            Watchers:
            6 Start watching this issue

              Created:
              Updated:
              Resolved: