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/**
* Test replication metrics
*/
function testSecondaryMetrics(secondary, opCount, offset) {
var ss = secondary.getDB("test").serverStatus()
printjson(ss.metrics)
assert(ss.metrics.repl.network.readersCreated > 0, "no (oplog) readers created")
assert(ss.metrics.repl.network.getmores.num > 0, "no getmores")
assert(ss.metrics.repl.network.getmores.totalMillis > 0, "no getmores time")
assert.eq(ss.metrics.repl.network.ops, opCount + offset, "wrong number of ops retrieved")
assert(ss.metrics.repl.network.bytes > 0, "zero or missing network bytes")
assert(ss.metrics.repl.buffer.count >= 0, "buffer count missing")
assert(ss.metrics.repl.buffer.sizeBytes >= 0, "size (bytes)] missing")
assert(ss.metrics.repl.buffer.maxSizeBytes >= 0, "maxSize (bytes) missing")
assert(ss.metrics.repl.preload.docs.num >= 0, "preload.docs num missing")
assert(ss.metrics.repl.preload.docs.totalMillis >= 0, "preload.docs time missing")
assert(ss.metrics.repl.preload.docs.num >= 0, "preload.indexes num missing")
assert(ss.metrics.repl.preload.indexes.totalMillis >= 0, "preload.indexes time missing")
assert(ss.metrics.repl.apply.batches.num > 0, "no batches")
assert(ss.metrics.repl.apply.batches.totalMillis > 0, "no batch time")
assert.eq(ss.metrics.repl.apply.ops, opCount + offset, "wrong number of applied ops")
}
var rt = new ReplSetTest( { name : "server_status_metrics" , nodes: 2, oplogSize: 100 } );
rt.startSet()
rt.initiate()
rt.awaitSecondaryNodes();
var secondary = rt.getSecondary();
var primary = rt.getPrimary();
var testDB = primary.getDB("test");
assert.commandWorked(testDB.createCollection('a'));
assert.writeOK(testDB.b.insert({}, { writeConcern: { w: 2 }}));
var ss = secondary.getDB("test").serverStatus();
var secondaryBaseOplogInserts = ss.metrics.repl.apply.ops;
//add test docs
var bulk = testDB.a.initializeUnorderedBulkOp();
for(x = 0; x < 1000; x++) {
bulk.insert({});
}
assert.writeOK(bulk.execute({ w: 2 }));
testSecondaryMetrics(secondary, 1000, secondaryBaseOplogInserts );
var options = { writeConcern: { w: 2 }, multi: true, upsert: true };
assert.writeOK(testDB.a.update({}, { $set: { d: new Date() }}, options));
testSecondaryMetrics(secondary, 2000, secondaryBaseOplogInserts );
// Test getLastError.wtime and that it only records stats for w > 1, see SERVER-9005
var startMillis = testDB.serverStatus().metrics.getLastError.wtime.totalMillis
var startNum = testDB.serverStatus().metrics.getLastError.wtime.num
printjson(primary.getDB("test").serverStatus().metrics);
assert.writeOK(testDB.a.insert({ x: 1 }, { writeConcern: { w: 1, wtimeout: 5000 }}));
assert.eq(testDB.serverStatus().metrics.getLastError.wtime.totalMillis, startMillis);
assert.eq(testDB.serverStatus().metrics.getLastError.wtime.num, startNum);
assert.writeOK(testDB.a.insert({ x: 1 }, { writeConcern: { w: -11, wtimeout: 5000 }}));
assert.eq(testDB.serverStatus().metrics.getLastError.wtime.totalMillis, startMillis);
assert.eq(testDB.serverStatus().metrics.getLastError.wtime.num, startNum);
assert.writeOK(testDB.a.insert({ x: 1 }, { writeConcern: { w: 2, wtimeout: 5000 }}));
assert(testDB.serverStatus().metrics.getLastError.wtime.totalMillis >= startMillis);
assert.eq(testDB.serverStatus().metrics.getLastError.wtime.num, startNum + 1);
// Write will fail because there are only 2 nodes
assert.writeError(testDB.a.insert({ x: 1 }, { writeConcern: { w: 3, wtimeout: 50 }}));
assert(testDB.serverStatus().metrics.getLastError.wtime.totalMillis >= startMillis + 50);
assert.eq(testDB.serverStatus().metrics.getLastError.wtime.num, startNum + 2);
printjson(primary.getDB("test").serverStatus().metrics);
rt.stopSet();
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