example.out

Centos8(mongod-4.2.6) MongoDBTuningBook> var sample1=mongoTuning.serverStatSample()
Centos8(mongod-4.2.6) MongoDBTuningBook> sleep(60000)

Centos8(mongod-4.2.6) MongoDBTuningBook> var sample2=mongoTuning.serverStatSample();
Centos8(mongod-4.2.6) MongoDBTuningBook> mongoTuning.ServerStatSummary(sample1,sample2);
{
  "netKBInPS": "1789.5788",
  "netKBOutPS": "4642.3350",
  "intervalSeconds": 60,
  "queryPS": "3562.6167",
  "getmorePS": 0,
  "commandPS": "0.2500",
  "insertPS": 0,
  "updatePS": "3557.8000",
  "deletePS": 0,
  "readLatencyMs": "0.7714",
  "writeLatencyMs": "1.3141",
  "cmdLatencyMs": "4.6339",
  "connections": 102,
  "availableConnections": 51098,
  "assertsPS": "0.0333",
  "cacheGetsPS": "28120.0500",
  "cacheHighWaterMB": 3462,
  "cacheSizeMB": "563.6672",
  "diskBlockReadsPS": "0.0333",
  "diskBlockWritesPS": "5.8000",
  "logKBRatePS": "1206.8542",
  "logSyncTimeRateMsPS": "151.0971"
}
Centos8(mongod-4.2.6) MongoDBTuningBook> var deltas=mongoTuning.serverStatDeltas(sample1,sample2);
Centos8(mongod-4.2.6) MongoDBTuningBook> mongoTuning.searchSample(deltas,/optLatencies.writes/)
{

}
Centos8(mongod-4.2.6) MongoDBTuningBook> mongoTuning.searchSample(deltas,/opLatencies.writes/)
{
  "opLatencies.writes.latency": {
    "lastValue": 3618866612,
    "firstValue": 3338357289,
    "delta": 280509323,
    "rate": 4675155.383333334
  },
  "opLatencies.writes.ops": {
    "lastValue": 8548962,
    "firstValue": 8335496,
    "delta": 213466,
    "rate": 3557.766666666667
  }
}