Пример #1
0
 public virtual void Invoke(Queue <TxEntryRequest> reqQueue)
 {
     while (reqQueue.Count > 0)
     {
         TxEntryRequest req = reqQueue.Dequeue();
         req.Accept(this);
     }
 }
Пример #2
0
        internal void EnqueueTxEntryRequest(TxEntryRequest req)
        {
            this.txEntryVisitor.Invoke(req);
            RedisRequest redisReq = this.txEntryVisitor.RedisReq;

            redisReq.ResponseVisitor = this.redisResponseVisitor;

            this.redisRequestQueue.Enqueue(redisReq);
        }
        internal override void EnqueueTxEntryRequest(long txId, TxEntryRequest txEntryRequest, int executorPK = 0)
        {
            this.dbVisitors[executorPK].Invoke(txEntryRequest);
            return;

            ////////////////////////////////////////////////

            int pk = this.PhysicalTxPartitionByKey(txId);

            //while (Interlocked.CompareExchange(ref this.latches[pk], 1, 0) != 0) ;
            //partitionedQueues[pk].Enqueue(txEntryRequest, executorPK);
            //Interlocked.Exchange(ref this.latches[pk], 0);

            // count tasks per partition
            //this.ccTasksCnt.Enqueue(pk);

            lock (this.rawPartitionedQueues[pk])
            {
                this.rawPartitionedQueues[pk].Enqueue(txEntryRequest);
                System.Threading.Monitor.Pulse(this.rawPartitionedQueues[pk]);
            }

            //lock (partitionedQueues[pk])
            //{
            //    partitionedQueues[pk].Enqueue(txEntryRequest, executorPK);
            //}
            //this.ccPartitionedQueues[pk].Enqueue(txEntryRequest);

            while (!txEntryRequest.Finished)
            {
                lock (txEntryRequest)
                {
                    if (!txEntryRequest.Finished)
                    {
                        System.Threading.Monitor.Wait(txEntryRequest);
                    }
                }
            }
        }
Пример #4
0
        public override void Invoke(Queue <TxEntryRequest> reqQueue)
        {
            //foreach (TxEntryRequest req in reqs)
            //{
            //    clientPool.EnqueueTxEntryRequest(req);
            //}
            //clientPool.Visit();

            int reqCount = 0;

            while (reqQueue.Count > 0)
            {
                TxEntryRequest req = reqQueue.Dequeue();
                req.Accept(this);
                reqCount++;
            }

            if (reqCount > 0)
            {
                this.clientPool.Flush(this.redisRequests, redisClient, reqCount);
            }
            this.reqIndex = 0;
        }
Пример #5
0
        internal override void EnqueueTxEntryRequest(long txId, TxEntryRequest txEntryRequest, int execPartition = 0)
        {
            // Interlocked.Increment(ref VersionDb.EnqueuedRequests);

            // SingletonPartitionVersionDb implementation 1
            //base.EnqueueTxEntryRequest(txId, txEntryRequest, execPartition);
            //while (!txEntryRequest.Finished) ;

            // SingletonPartitionedVersionDb implementation 2

            int pk = this.PhysicalTxPartitionByKey(txId);

            this.dbVisitors[pk].Invoke(txEntryRequest);
            // SingletonPartitionedVersionDb implementation 3
            //int pk = this.PhysicalTxPartitionByKey(txId);
            //if (pk == execPartition)
            //{
            //    this.dbVisitors[pk].Invoke(txEntryRequest);
            //}
            //else
            //{
            //    base.EnqueueTxEntryRequest(txId, txEntryRequest, execPartition);
            //}
        }
        private void Monitor(object partitionKey)
        {
            //long totalTicks = 0;
            //long idleTicks = 0;

            //long round = 0;
            //long idleRound = 0;

            int pk = (int)partitionKey;

            while (this.Active)
            {
                //long start = DateTime.Now.Ticks;
                //round++;
                //bool idle = true;

                // flush version db queue
                TxEntryRequest txReq = null;
                lock (this.rawPartitionedQueues[pk])
                {
                    if (this.rawPartitionedQueues[pk].Count > 0)
                    {
                        txReq = this.rawPartitionedQueues[pk].Dequeue();
                    }
                    else
                    {
                        System.Threading.Monitor.Wait(this.rawPartitionedQueues[pk]);
                    }
                }
                if (txReq != null)
                {
                    this.dbVisitors[pk].Invoke(txReq);
                    lock (txReq)
                    {
                        System.Threading.Monitor.Pulse(txReq);
                    }
                }

                //if (this.partitionedQueues[pk].TryDequeue(out txReq))
                //if (this.ccPartitionedQueues[pk].TryDequeue(out txReq))
                //{
                //    //this.ccPartitionedQueues[pk].IsEmpty;
                //    //idle = false;
                //    this.dbVisitors[pk].Invoke(txReq);
                //    lock (txReq)
                //    {
                //        System.Threading.Monitor.Pulse(txReq);
                //    }
                //}

                // flush VersionTables Queue
                //VersionEntryRequest veReq = null;
                //if (this.versionTables.Count > 0)   // avoid lock mostly, just for test, not safe theoretically
                //{
                //    foreach (var item in this.versionTables)
                //    {
                //        //if ((item.Value as PartitionedCassandraVersionTable).partitionedQueues[pk].TryDequeue(out veReq))
                //        if ((item.Value as PartitionedCassandraVersionTable).ccPartitionedQueues[pk].TryDequeue(out veReq))
                //        {
                //            //idle = false;
                //            (item.Value as PartitionedCassandraVersionTable).tableVisitors[pk].Invoke(veReq);
                //            lock (veReq)
                //            {
                //                System.Threading.Monitor.Pulse(veReq);
                //            }
                //        }
                //    }
                //}

                //long end = DateTime.Now.Ticks;

                //long delta = end - start;
                //totalTicks += delta;

                //if (idle)
                //{
                //    idleRound++;
                //    idleTicks += delta;
                //}
            }

            //Console.WriteLine("Monitor: {0}, total round {1}, idle round {2}, idle rate {3} \n" +
            //                  "              total ticks {4}, idle ticks {5}, idle rate {6}",
            //                  partitionKey, round, idleRound, idleRound * 1.0 / round,
            //                  totalTicks, idleTicks, idleTicks * 1.0 / totalTicks);
        }
Пример #7
0
 /// <summary>
 /// Enqueue Transcation Entry Requests
 /// </summary>
 /// <param name="txId">The specify txId to partition</param>
 /// <param name="txEntryRequest">The given request</param>
 internal abstract void EnqueueTxEntryRequest(
     long txId, TxEntryRequest txEntryRequest, int execWorkerId = 0);
Пример #8
0
 internal virtual void Visit(TxEntryRequest req)
 {
 }
Пример #9
0
 internal override void EnqueueTxEntryRequest(long txId, TxEntryRequest txEntryRequest, int execPartition = 0)
 {
     //int pk = this.PhysicalPartitionByKey(txId);
     //this.dbVisitors[pk].Invoke(txEntryRequest);
     this.dbVisitors[execPartition].Invoke(txEntryRequest);
 }
Пример #10
0
 public virtual void Invoke(TxEntryRequest req)
 {
     req.Accept(this);
 }
Пример #11
0
 internal RedisRequest Invoke(TxEntryRequest txReq)
 {
     txReq.Accept(this);
     return(RedisReq);
 }
Пример #12
0
 internal override void Visit(TxEntryRequest req)
 {
     throw new NotImplementedException();
 }