示例#1
0
        static void v1()
        {
            var options = new DbOptions()
                          .SetCreateIfMissing(true);

            using (var db = RocksDb.Open(options, "db1"))
            {
                var stopwatch = new Stopwatch();
                stopwatch.Start();
                var count = 0;
                foreach (var p in PacketStreamUtilities.PacketsFromFileTree(DataDirectory))
                {
                    var len = PacketAccessor.Length(p);
                    if (len < 5)
                    {
                        continue;
                    }
                    var timestamp = PacketAccessor.Time42(p);
                    var apid      = PacketAccessor.APID(p);
                    var key       = new PacketKey {
                        APID = (short)apid, Timestamp = timestamp
                    };
                    var keybuf = KeyToByteArray(key);
                    db.Put(keybuf, p);
                    count++;
                }
                stopwatch.Stop();
                Console.WriteLine($"{count} packets; {count / (stopwatch.ElapsedMilliseconds / 1000d)} packets/sec");
            }
        }
示例#2
0
        void AddPackets(RocksDb db, short[] apidCounts)
        {
            var addTimes         = new List <long>();
            var elapsedStopwatch = new Stopwatch();
            var addStopwatch     = new Stopwatch();

            elapsedStopwatch.Start();
            var count = 0;

            foreach (var p in PacketStreamUtilities.PacketsFromFileTree(DataDirectory))
            {
                var len = PacketAccessor.Length(p);
                if (len < 5)
                {
                    continue;
                }
                var timestamp = PacketAccessor.Time42(p);
                var apid      = PacketAccessor.APID(p);
                var key       = new PacketKey {
                    APID = (short)apid, Timestamp = timestamp
                };
                var keybuf = KeyToByteArray(key);
                addStopwatch.Reset();
                addStopwatch.Start();
                db.Put(keybuf, p);
                addStopwatch.Stop();
                addTimes.Add(addStopwatch.ElapsedTicks);
                apidCounts[apid]++;
                count++;
            }
            elapsedStopwatch.Stop();
            Console.WriteLine($"{count} packets; {count / (elapsedStopwatch.ElapsedMilliseconds / 1000d)} packets/sec");

            isFinished = true;

            addTimes.Sort();
            var startAt = Math.Max(0, addTimes.Count - 1000);

            for (var i = startAt; i < addTimes.Count; i++)
            {
                Console.WriteLine((new TimeSpan(addTimes[i])).TotalSeconds);
            }
        }
示例#3
0
        void v2()
        {
            var options = new DbOptions()
                          .SetCreateIfMissing(true);
            var addTimes = new List <long>();

            using (var db = RocksDb.Open(options, "db1"))
            {
                var elapsedStopwatch = new Stopwatch();
                var addStopwatch     = new Stopwatch();
                elapsedStopwatch.Start();
                var count = 0;
                foreach (var p in PacketStreamUtilities.PacketsFromFileTree(DataDirectory))
                {
                    var len = PacketAccessor.Length(p);
                    if (len < 5)
                    {
                        continue;
                    }
                    var timestamp = PacketAccessor.Time42(p);
                    var apid      = PacketAccessor.APID(p);
                    var key       = new PacketKey {
                        APID = (short)apid, Timestamp = timestamp
                    };
                    var keybuf = KeyToByteArray(key);
                    addStopwatch.Reset();
                    addStopwatch.Start();
                    db.Put(keybuf, p);
                    addStopwatch.Stop();
                    addTimes.Add(addStopwatch.ElapsedTicks);
                    count++;
                }
                elapsedStopwatch.Stop();
                Console.WriteLine($"{count} packets; {count / (elapsedStopwatch.ElapsedMilliseconds / 1000d)} packets/sec");
            }
            addTimes.Sort();
            foreach (var t in addTimes)
            {
                Console.WriteLine((new TimeSpan(t)).TotalSeconds);
            }
        }