94 lines
3.1 KiB
JavaScript
94 lines
3.1 KiB
JavaScript
/**
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* This test creates a replica set and writes during the resync call in order to verify
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* that all phases of the resync/initial-sync process work correctly.
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*
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*/
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// Test disabled because resync still has a race where it doesn't reset its last fetched optime
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// before trying to run initial sync, which results in an upstream query with a $gte that might
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// return an empty batch.
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if (false) {
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var testName = "resync_with_write_load";
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var replTest = new ReplSetTest({name: testName, nodes: 3, oplogSize: 100});
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var nodes = replTest.nodeList();
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var conns = replTest.startSet();
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var config = {
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"_id": testName,
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"members": [
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{"_id": 0, "host": nodes[0]},
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{"_id": 1, "host": nodes[1], priority: 0},
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{"_id": 2, "host": nodes[2], priority: 0}
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],
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settings: {chainingAllowed: false}
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};
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var r = replTest.initiate(config);
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replTest.waitForState(replTest.nodes[0], ReplSetTest.State.PRIMARY);
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// Make sure we have a master
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var master = replTest.getPrimary();
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var a_conn = conns[0];
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var b_conn = conns[1];
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a_conn.setSlaveOk();
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b_conn.setSlaveOk();
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var A = a_conn.getDB("test");
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var B = b_conn.getDB("test");
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var AID = replTest.getNodeId(a_conn);
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var BID = replTest.getNodeId(b_conn);
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assert(master == conns[0], "conns[0] assumed to be master");
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assert(a_conn.host == master.host);
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// create an oplog entry with an insert
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assert.writeOK(
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A.foo.insert({x: 1}, {writeConcern: {w: 3, wtimeout: ReplSetTest.kDefaultTimeoutMS}}));
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print("******************** starting load for 30 secs *********************");
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var work = function() {
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print("starting loadgen");
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var start = new Date().getTime();
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assert.writeOK(db.timeToStartTrigger.insert({_id: 1}));
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while (true) {
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for (x = 0; x < 100; x++) {
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db["a" + x].insert({a: x});
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}
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var runTime = (new Date().getTime() - start);
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if (runTime > 30000)
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break;
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else if (runTime < 5000) // back-off more during first 2 seconds
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sleep(50);
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else
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sleep(1);
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}
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print("finshing loadgen");
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};
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// insert enough that resync node has to go through oplog replay in each step
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var loadGen = startParallelShell(work, replTest.ports[0]);
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// wait for document to appear to continue
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assert.soon(function() {
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try {
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return 1 == master.getDB("test")["timeToStartTrigger"].find().itcount();
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} catch (e) {
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print(e);
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return false;
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}
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}, "waited too long for start trigger", 90 * 1000 /* 90 secs */);
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print("*************** issuing resync command ***************");
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assert.commandWorked(B.adminCommand("resync"));
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print("waiting for load generation to finish");
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loadGen();
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// Make sure oplogs & dbHashes match
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replTest.checkOplogs(testName);
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replTest.checkReplicatedDataHashes(testName);
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replTest.stopSet();
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print("*****test done******");
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}
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