mirror of https://github.com/mongodb/mongo
50 lines
1.9 KiB
JavaScript
50 lines
1.9 KiB
JavaScript
/**
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* Tests that resharding succeeds even its oplog application runs on a newly elected primary of a
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* recipient shard.
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*
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* @tags: [
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* uses_atclustertime,
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* ]
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*/
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import {ReshardingTest} from "jstests/sharding/libs/resharding_test_fixture.js";
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const reshardingTest = new ReshardingTest({enableElections: true});
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reshardingTest.setup();
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const donorShardNames = reshardingTest.donorShardNames;
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const sourceCollection = reshardingTest.createShardedCollection({
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ns: "reshardingDb.coll",
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shardKeyPattern: {oldKey: 1},
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chunks: [{min: {oldKey: MinKey}, max: {oldKey: MaxKey}, shard: donorShardNames[0]}],
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});
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const recipientShardNames = reshardingTest.recipientShardNames;
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reshardingTest.withReshardingInBackground(
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//
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{
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newShardKeyPattern: {newKey: 1},
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newChunks: [{min: {newKey: MinKey}, max: {newKey: MaxKey}, shard: recipientShardNames[0]}],
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},
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() => {
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// We wait until cloneTimestamp has been chosen to guarantee that any subsequent writes will
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// be applied by the ReshardingOplogApplier.
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reshardingTest.awaitCloneTimestampChosen();
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// A secondary member of the recipient shard isn't guaranteed to know the collection
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// metadata for the temporary resharding collection. We step one up to become the new
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// primary to test that resharding succeeds even when the collection metadata must be
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// recovered from the config server.
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reshardingTest.stepUpNewPrimaryOnShard(recipientShardNames[0]);
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assert.commandWorked(sourceCollection.insert({oldKey: 1, newKey: 2}));
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reshardingTest.stepUpNewPrimaryOnShard(recipientShardNames[0]);
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assert.commandWorked(sourceCollection.update({oldKey: 1, newKey: 2}, {$set: {extra: 3}}));
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reshardingTest.stepUpNewPrimaryOnShard(recipientShardNames[0]);
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assert.commandWorked(sourceCollection.remove({oldKey: 1, newKey: 2}, {justOne: true}));
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},
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);
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reshardingTest.teardown();
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