88 lines
4.0 KiB
JavaScript
88 lines
4.0 KiB
JavaScript
/**
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* Test replication metrics
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*/
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function testSecondaryMetrics(secondary, opCount, offset) {
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var ss = secondary.getDB("test").serverStatus();
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printjson(ss.metrics);
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assert(ss.metrics.repl.network.readersCreated > 0, "no (oplog) readers created");
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assert(ss.metrics.repl.network.getmores.num > 0, "no getmores");
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assert(ss.metrics.repl.network.getmores.totalMillis > 0, "no getmores time");
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// The first oplog entry may or may not make it into network.ops now that we have two
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// n ops (initiate and new primary) before steady replication starts.
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// Sometimes, we disconnect from our sync source and since our find is a gte query, we may
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// double count an oplog entry, so we need some wiggle room for that.
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assert.lte(ss.metrics.repl.network.ops, opCount + offset + 5, "wrong number of ops retrieved");
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assert.gte(ss.metrics.repl.network.ops, opCount + offset, "wrong number of ops retrieved");
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assert(ss.metrics.repl.network.bytes > 0, "zero or missing network bytes");
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assert(ss.metrics.repl.buffer.count >= 0, "buffer count missing");
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assert(ss.metrics.repl.buffer.sizeBytes >= 0, "size (bytes)] missing");
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assert(ss.metrics.repl.buffer.maxSizeBytes >= 0, "maxSize (bytes) missing");
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assert(ss.metrics.repl.preload.docs.num >= 0, "preload.docs num missing");
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assert(ss.metrics.repl.preload.docs.totalMillis >= 0, "preload.docs time missing");
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assert(ss.metrics.repl.preload.docs.num >= 0, "preload.indexes num missing");
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assert(ss.metrics.repl.preload.indexes.totalMillis >= 0, "preload.indexes time missing");
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assert(ss.metrics.repl.apply.batches.num > 0, "no batches");
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assert(ss.metrics.repl.apply.batches.totalMillis >= 0, "missing batch time");
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assert.eq(ss.metrics.repl.apply.ops, opCount + offset, "wrong number of applied ops");
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}
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var rt = new ReplSetTest({name: "server_status_metrics", nodes: 2, oplogSize: 100});
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rt.startSet();
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rt.initiate();
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rt.awaitSecondaryNodes();
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var secondary = rt.getSecondary();
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var primary = rt.getPrimary();
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var testDB = primary.getDB("test");
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assert.commandWorked(testDB.createCollection('a'));
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assert.writeOK(testDB.b.insert({}, {writeConcern: {w: 2}}));
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var ss = secondary.getDB("test").serverStatus();
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var secondaryBaseOplogInserts = ss.metrics.repl.apply.ops;
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// add test docs
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var bulk = testDB.a.initializeUnorderedBulkOp();
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for (x = 0; x < 1000; x++) {
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bulk.insert({});
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}
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assert.writeOK(bulk.execute({w: 2}));
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testSecondaryMetrics(secondary, 1000, secondaryBaseOplogInserts);
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var options = {writeConcern: {w: 2}, multi: true, upsert: true};
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assert.writeOK(testDB.a.update({}, {$set: {d: new Date()}}, options));
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testSecondaryMetrics(secondary, 2000, secondaryBaseOplogInserts);
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// Test getLastError.wtime and that it only records stats for w > 1, see SERVER-9005
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var startMillis = testDB.serverStatus().metrics.getLastError.wtime.totalMillis;
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var startNum = testDB.serverStatus().metrics.getLastError.wtime.num;
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printjson(primary.getDB("test").serverStatus().metrics);
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assert.writeOK(testDB.a.insert({x: 1}, {writeConcern: {w: 1, wtimeout: 5000}}));
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assert.eq(testDB.serverStatus().metrics.getLastError.wtime.totalMillis, startMillis);
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assert.eq(testDB.serverStatus().metrics.getLastError.wtime.num, startNum);
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assert.writeOK(testDB.a.insert({x: 1}, {writeConcern: {w: -11, wtimeout: 5000}}));
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assert.eq(testDB.serverStatus().metrics.getLastError.wtime.totalMillis, startMillis);
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assert.eq(testDB.serverStatus().metrics.getLastError.wtime.num, startNum);
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assert.writeOK(testDB.a.insert({x: 1}, {writeConcern: {w: 2, wtimeout: 5000}}));
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assert(testDB.serverStatus().metrics.getLastError.wtime.totalMillis >= startMillis);
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assert.eq(testDB.serverStatus().metrics.getLastError.wtime.num, startNum + 1);
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// Write will fail because there are only 2 nodes
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assert.writeError(testDB.a.insert({x: 1}, {writeConcern: {w: 3, wtimeout: 50}}));
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assert.eq(testDB.serverStatus().metrics.getLastError.wtime.num, startNum + 2);
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printjson(primary.getDB("test").serverStatus().metrics);
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rt.stopSet();
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