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71 lines
2.7 KiB
JavaScript
71 lines
2.7 KiB
JavaScript
/**
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* Test that startup recovery successfully applies all operations from a transaction after
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* replaying the commitTransaction oplog entry. We hold back the snapshot so that we make sure that
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* the operations from the transaction are not reflected in the data when recovery starts.
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*
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* @tags: [requires_persistence, uses_transactions, uses_prepare_transaction]
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*/
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(function() {
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"use strict";
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load("jstests/core/txns/libs/prepare_helpers.js");
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const replTest = new ReplSetTest({nodes: 1});
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replTest.startSet();
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replTest.initiate();
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let primary = replTest.getPrimary();
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const dbName = "test";
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const collName = "commit_transaction_recovery";
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let testDB = primary.getDB(dbName);
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const testColl = testDB.getCollection(collName);
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testDB.runCommand({drop: collName});
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assert.commandWorked(testDB.runCommand({create: collName}));
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let session = primary.startSession({causalConsistency: false});
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let sessionDB = session.getDatabase(dbName);
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const sessionColl = sessionDB.getCollection(collName);
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session.startTransaction();
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assert.commandWorked(sessionColl.insert({_id: 1}));
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let prepareTimestamp = PrepareHelpers.prepareTransaction(session);
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jsTestLog("Disable snapshotting on all nodes");
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// Disable snapshotting so that future operations do not enter the majority snapshot.
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assert.commandWorked(
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primary.adminCommand({configureFailPoint: "disableSnapshotting", mode: "alwaysOn"}));
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jsTestLog("Committing the transaction");
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// Since the commitTimestamp is after the last snapshot, this oplog entry will be replayed
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// during replication recovery during restart.
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assert.commandWorked(PrepareHelpers.commitTransaction(session, prepareTimestamp));
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jsTestLog("Restarting node");
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// Perform a clean shutdown and restart. Note that the 'disableSnapshotting' failpoint will be
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// unset on the node following the restart.
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replTest.restart(primary);
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jsTestLog("Node was restarted");
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primary = replTest.getPrimary();
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testDB = primary.getDB(dbName);
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session = primary.startSession({causalConsistency: false});
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sessionDB = session.getDatabase(dbName);
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session.startTransaction();
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// Make sure that we can read the document from the transaction after recovery.
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assert.eq(testDB[collName].findOne({_id: 1}), {_id: 1});
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// Make sure that another write on the same document from the transaction has no write conflict.
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// Also, make sure that we can run another transaction after recovery without any problems.
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assert.commandWorked(sessionDB[collName].update({_id: 1}, {_id: 1, a: 1}));
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prepareTimestamp = PrepareHelpers.prepareTransaction(session);
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assert.commandWorked(PrepareHelpers.commitTransaction(session, prepareTimestamp));
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assert.eq(testDB[collName].findOne({_id: 1}), {_id: 1, a: 1});
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replTest.stopSet();
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}());
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