NCBI C++ Toolkit Cross Reference

  C++/src/app/netcache/test/test_nc_stress_pubmed.cpp


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#include <ncbi_pch.hpp> #include <corelib/ncbitime.hpp> #include <corelib/ncbi_process.hpp> #include <corelib/ncbi_system.hpp> #include <connect/services/netcache_api.hpp> #include <util/thread_pool.hpp> #include <util/random_gen.hpp> #if defined(HAVE_SIGNAL_H) && defined(NCBI_OS_UNIX) # define USE_SIGNAL # include <signal.h> #endif #ifdef HAVE_UNISTD_H #include <unistd.h> #endif #ifdef NCBI_OS_UNIX #ifdef HAVE_NANOSLEEP #define USE_UGLY_CODE_INSTEAD #include <sys/time.h> #endif /* HAVE_NANOSLEEP */ #endif /*NCBI_OS_UNIX */ USING_NCBI_SCOPE; static void PrintAllStat(); static bool need_conf_reload = false; static CAtomicCounter s_BlobId; static CRandom s_Rnd((CRandom::TValue)CProcess::GetCurrentPid()); #ifdef USE_SIGNAL /******************************************************* * Signals *******************************************************/ // not all platforms define sighandler_t extern "C" { typedef RETSIGTYPE (*TSigHandler)(int); static void ONDATR(TSigHandler handler, int n) { if (handler == SIG_DFL) { exit(1); } else if (handler != SIG_IGN) { handler(n); } } TSigHandler old_SIGINT; TSigHandler old_SIGQUIT; TSigHandler old_SIGALRM; TSigHandler old_SIGABRT; TSigHandler old_SIGTERM; TSigHandler old_SIGBUS; static void /* RETSIGTYPE */ on_SIGNAL(int OnDatr) { cerr << "PID : " << CProcess::GetCurrentPid() << " : signal caught : " << OnDatr << endl; PrintAllStat(); switch(OnDatr) { case SIGQUIT : ONDATR(old_SIGQUIT, OnDatr); break; case SIGINT : ONDATR(old_SIGINT, OnDatr); break; case SIGALRM : ONDATR(old_SIGALRM, OnDatr); break; case SIGABRT : ONDATR(old_SIGABRT, OnDatr); break; case SIGTERM : ONDATR(old_SIGTERM, OnDatr); break; case SIGBUS : ONDATR(old_SIGBUS, OnDatr); break; default : cerr << "J-SIGNAL!" << endl; _exit(1); } } static void on_SIGHUP(int onDatr) { need_conf_reload = true; } static void SetSigHandlers() { old_SIGQUIT = signal(SIGQUIT, on_SIGNAL); old_SIGINT = signal(SIGINT, on_SIGNAL); old_SIGALRM = signal(SIGALRM, on_SIGNAL); old_SIGABRT = signal(SIGABRT, on_SIGNAL); old_SIGTERM = signal(SIGTERM, on_SIGNAL); old_SIGBUS = signal(SIGBUS, on_SIGNAL); signal(SIGHUP, on_SIGHUP); } } #endif static CStdPoolOfThreads writeThreadPool(5, 1000000); static CStdPoolOfThreads readThreadPool(5, 1000000); static CStdPoolOfThreads drThreadPool(5, 1000000); /******************************************************* * Stressing *******************************************************/ class TimePotam { private : static const int EPOCH_V = 10000000; public : TimePotam() : mStartMilliSecs(0) , mLastMilliSecs(0) { mStartMilliSecs = mLastMilliSecs = TimeOfDayMilliSecs(); }; size_t FromStart() { return TimeOfDayMilliSecs() - mStartMilliSecs; }; size_t FromLast() { size_t cTv = mLastMilliSecs; mLastMilliSecs = TimeOfDayMilliSecs(); return mLastMilliSecs - cTv; }; void WaitMilliSecs(size_t MilliSecs) { #ifdef USE_UGLY_CODE_INSTEAD struct timespec sTS; sTS.tv_sec = MilliSecs / 1000; sTS.tv_nsec = (MilliSecs % 1000) * 1000000; nanosleep(&sTS, NULL); #else cerr << "That platform does not support!" << endl; exit(1); #endif /* USE_UGLY_CODE_INSTEAD */ }; size_t TimeOfDayMilliSecs() { #ifdef USE_UGLY_CODE_INSTEAD struct timeval sTV; gettimeofday(&sTV, NULL); size_t Secs = (sTV.tv_sec % EPOCH_V) * 1000; size_t MilliSecs = sTV.tv_usec / 1000; // return Secs + MilliSecs; #else cerr << "That platform does not support!" << endl; exit(1); // Nice fix, then. Anyway, that fix will not work. // However, I need amount of seconds from Epoch. CTime // does not provides that method. Ofcourse, I can to generate // those seconds ... but I do not have time for it. // So, throving error, moreother, that test was written for // unix only // // CTime now(CTime::eCurrent, CTime::eGmt); // size_t Secs = (now.Second() % EPOCH_V) * 1000; // size_t MilliSecs = now.MilliSecond(); // // return Secs + MilliSecs; #endif /* USE_UGLY_CODE_INSTEAD */ }; private : size_t mStartMilliSecs; size_t mLastMilliSecs; }; class DelayPotam { public : DelayPotam(const string &NcKey, Int4 DelayMilliSecs) : mNcKey(NcKey) , mDelayMilliSecs(DelayMilliSecs) , mCreationTime(0) { mCreationTime = TimePotam().TimeOfDayMilliSecs(); }; DelayPotam(const DelayPotam &DPotam) : mNcKey(DPotam.mNcKey) , mDelayMilliSecs(DPotam.mDelayMilliSecs) , mCreationTime(DPotam.mCreationTime) { }; DelayPotam &operator = (const DelayPotam &DPotam) { if (this != &DPotam) { mNcKey = DPotam.mNcKey; mDelayMilliSecs = DPotam.mDelayMilliSecs; mCreationTime = DPotam.mCreationTime; } return *this; }; bool JustInTime() const { return TimePotam().TimeOfDayMilliSecs() > (mCreationTime + mDelayMilliSecs); } const string &NcKey() const { return mNcKey; }; size_t CreationTimeMillisecs() const { return mCreationTime; }; size_t DelayMilliSecs() const { return mDelayMilliSecs; }; private : string mNcKey; size_t mDelayMilliSecs; size_t mCreationTime; }; CAtomicCounter theWQty; class StressoPotam; class CReadTask : public CStdRequest { public: CReadTask(StressoPotam* potam, CNetCacheAPI& cln, const string& key) : m_Potam(potam), m_Client(cln), m_Key(key) {} virtual void Process(void); StressoPotam* m_Potam; CNetCacheAPI& m_Client; string m_Key; }; class CDelayedReadTask : public CStdRequest { public: CDelayedReadTask(StressoPotam* potam, CNetCacheAPI& cln, const string& key) : m_Potam(potam), m_Client(cln), m_Key(key) {} virtual void Process(void); StressoPotam* m_Potam; CNetCacheAPI& m_Client; string m_Key; }; class StressoPotam { public : StressoPotam( size_t BufferSize, Int4 ReadRatio, Int4 DelayRatio, Uint4 DelayMilliSecs ) : mRQty(0) , mREQty(0) , mRTime(0) , mWQty(0) , mWEQty(0) , mWTime(0) , mDQty(0) , mDEQty(0) , mDTime(0) , mBufferSize(BufferSize) , mpBuffer(NULL) , mReadRatio(ReadRatio) , mDelayRatio(DelayRatio) , mDelayMilliSecs(DelayMilliSecs) { if (mBufferSize == 0) { cerr << "Zero Buffer size" << endl; abort(); } if ((mpBuffer = new char [mBufferSize]) == NULL) { cerr << "Can not allocate " << mBufferSize << " chars" << endl; abort(); } *((size_t *)mpBuffer) = mBufferSize; }; ~StressoPotam() { mRQty = 0; mREQty = 0; mRTime = 0; mWQty = 0; mWEQty = 0; mWTime = 0; mDQty = 0; mDEQty = 0; mDTime = 0; mBufferSize = 0; if (mpBuffer != NULL) { delete [] mpBuffer; mpBuffer = NULL; } mDelayRatio = 0; mDelayMilliSecs = 0; mDelayedPotams.clear(); }; void DoWrite(CNetCacheAPI& cln) { TimePotam TPot; string NcKey; CNetCacheKey::GenerateBlobKey(&NcKey, s_BlobId.Add(1), "130.14.24.171", 9000, 1, s_Rnd.GetRand() * 2); CNetCacheKey::AddExtensions(NcKey, cln.GetService().GetServiceName(), 0); int wtime = -1; try { cln.PutData(NcKey, mpBuffer, mBufferSize); //NcKey = cln.PutData(mpBuffer, mBufferSize); wtime = int(TPot.FromLast()); CFastMutexGuard guard(lock); mWTime += wtime; mWQty ++; Uint4 w_qty = Uint4(theWQty.Add(1)); if (mDelayRatio != 0 && w_qty % mDelayRatio == 0) { mDelayedPotams.insert(mDelayedPotams.end(), DelayPotam(NcKey, mDelayMilliSecs)); } if (NcKey != "" && mReadRatio != 0 && w_qty % mReadRatio == 0) { try { readThreadPool.AcceptRequest(CRef<CStdRequest>(new CReadTask(this, cln, NcKey))); } catch (CBlockingQueueException& ex) { ERR_POST("Cannot add request: " << ex); } } } catch(exception& ex) { ERR_POST("Error writing blob " << NcKey << ": " << ex.what()); NcKey = ""; CFastMutexGuard guard(lock); mWEQty ++; } } void DoRead(CNetCacheAPI& cln, const string& NcKey) { try { TimePotam TPot; CSimpleBuffer Blob; CNetCacheAPI::EReadResult rres; rres = cln.GetData(NcKey, Blob); CFastMutexGuard guard(lock); if (rres == CNetCacheAPI::eNotFound) { mREQty ++; } else { if (*((Uint4 *)Blob.data()) == mBufferSize) { int rtime = int(TPot.FromLast()); mRTime += rtime; mRQty ++; } else { mREQty ++; } } } catch( exception& ex ) { ERR_POST("Error reading blob " << NcKey << ": " << ex.what()); CFastMutexGuard guard(lock); mREQty ++; } }; void DoDelayedRead(CNetCacheAPI& cln, const string& NcKey) { try { TimePotam TPot; CSimpleBuffer Blob; CNetCacheAPI::EReadResult rres; rres = cln.GetData(NcKey, Blob); CFastMutexGuard guard(lock); if (rres == CNetCacheAPI::eNotFound) { mDEQty ++; } else { if (*((Uint4 *)Blob.data()) == mBufferSize) { int rtime = int(TPot.FromStart()); mDTime += rtime; mDQty ++; } else { mDEQty ++; } } } catch( exception& ex ) { ERR_POST("Error in delayed read of blob " << NcKey << ": " << ex.what()); CFastMutexGuard guard(lock); mDEQty ++; } } void CheckReadDelayed(CNetCacheAPI& cln) { CFastMutexGuard guard(lock); while(true) { list < DelayPotam >::iterator Pos = mDelayedPotams.begin(); if (Pos == mDelayedPotams.end()) { break; } if (!(*Pos).JustInTime()) { break; } try { drThreadPool.AcceptRequest(CRef<CStdRequest>(new CDelayedReadTask(this, cln, (*Pos).NcKey()))); } catch (CBlockingQueueException& ex) { ERR_POST("Cannot add request: " << ex); } mDelayedPotams.erase(Pos); } }; string Stat() { string RetVal = NStr::UInt8ToString(mBufferSize) + "(bs)"; if (mWQty != 0) { RetVal += " " + NStr::UInt8ToString(mWQty) + "(wq)"; size_t AVTime = (size_t)(mWTime / (long long)mWQty); RetVal += " " + NStr::UInt8ToString(AVTime) + "(awt)"; } else { RetVal += " 0(wq) 0(awt)"; } RetVal += " " + NStr::UInt8ToString(mWEQty) + "(we)"; if (mRQty != 0) { RetVal += " " + NStr::UInt8ToString(mRQty) + "(rq)"; size_t AVTime = (size_t)(mRTime / (long long)mRQty); RetVal += " " + NStr::UInt8ToString(AVTime) + "(art)"; } else { RetVal += " 0(rq) 0(art)"; } RetVal += " " + NStr::UInt8ToString(mREQty) + "(re)"; if (mDQty != 0) { RetVal += " " + NStr::UInt8ToString(mDQty) + "(dq)"; size_t AVTime = (size_t)(mDTime / (long long)mDQty); RetVal += " " + NStr::UInt8ToString(AVTime) + "(adt)"; } else { RetVal += " 0(dq) 0(adt)"; } RetVal += " " + NStr::UInt8ToString(mDEQty) + "(de)"; return RetVal; }; size_t RQty() { return mRQty; }; size_t REQty() { return mREQty; }; long long RTime() { return mRTime; }; size_t WQty() { return mWQty; }; size_t WEQty() { return mWEQty; }; long long WTime() { return mWTime; }; size_t DQty() { return mDQty; }; size_t DEQty() { return mDEQty; }; long long DTime() { return mDTime; }; size_t BufferSize() { return mBufferSize; }; private : CFastMutex lock; size_t mRQty; size_t mREQty; long long mRTime; size_t mWQty; size_t mWEQty; long long mWTime; size_t mDQty; size_t mDEQty; long long mDTime; size_t mBufferSize; char *mpBuffer; Int4 mReadRatio; Int4 mDelayRatio; Uint4 mDelayMilliSecs; list < DelayPotam > mDelayedPotams; }; class CWriteTask : public CStdRequest { public: CWriteTask(StressoPotam* potam, CNetCacheAPI& cln) : m_Potam(potam), m_Client(cln) {} virtual void Process(void) { m_Potam->DoWrite(m_Client); } StressoPotam* m_Potam; CNetCacheAPI& m_Client; }; void CReadTask::Process(void) { m_Potam->DoRead(m_Client, m_Key); } void CDelayedReadTask::Process(void) { m_Potam->DoDelayedRead(m_Client, m_Key); } class StressoPotary { public : StressoPotary() : mService("") , mPerSec(100) , mReadDelayMinutes(3) , mDelayRatio(4) { mStartStressing = TimePotam().TimeOfDayMilliSecs(); mEndStressing = TimePotam().TimeOfDayMilliSecs(); }; ~StressoPotary() { mReadDelayMinutes = 3; mDelayRatio = 4; mPerSec = 100; mService = ""; mStartStressing = TimePotam().TimeOfDayMilliSecs(); mEndStressing = TimePotam().TimeOfDayMilliSecs(); mPotams.clear(); while(mPotamMap.size()) { StressoPotam *pPotam = (*mPotamMap.begin()).second; if (pPotam != NULL) { delete pPotam; } mPotamMap.erase(mPotamMap.begin()); } }; void Init( const string &Service, Int4 PerSec, Int4 ReadRatio, Int4 DelayRatio, Int4 ReadDelayMinutes ) { mService = Service; mPerSec = PerSec; mReadDelayMinutes = ReadDelayMinutes; mReadRatio = ReadRatio; mDelayRatio = DelayRatio; if (mPerSec < 10 || 400 <= mPerSec) { cerr << "Invalid PerSecond value '" << NStr::IntToString(mPerSec) << "' should be less than 400 and greater than 10" << endl; abort(); } }; void AddPotam(size_t BufferSize) { StressoPotam *pPotam = NULL; map < size_t, StressoPotam * >::iterator Pos = mPotamMap.find(BufferSize); if (Pos == mPotamMap.end()) { pPotam = new StressoPotam( BufferSize, mReadRatio, mDelayRatio, mReadDelayMinutes * 60 * 1000 ); mPotamMap[BufferSize] = pPotam; } else { pPotam = (*Pos).second; } mPotams.insert(mPotams.end(), pPotam); }; void Stress() { TimePotam TPot; if (mPotams.size() == 0) { cerr << "No potams in potary" << endl; abort(); } mStartStressing = TPot.TimeOfDayMilliSecs(); size_t IterCnt = 0; size_t Pupiter = 0; size_t Puzator = 10000; // size_t Puzator = 100; CNetCacheAPI cln(mService,"test_nc_stress_pubmed"); for( ; ; ) { vector < StressoPotam * >::iterator PB = mPotams.begin(); for( ; PB != mPotams.end(); PB ++) { size_t NewT = (IterCnt * 1000) / mPerSec; size_t Diffa = TPot.TimeOfDayMilliSecs() - mStartStressing; if (Diffa < NewT) { TPot.WaitMilliSecs(NewT - Diffa); } if (need_conf_reload) { CNcbiApplication::Instance()->ReloadConfig(); need_conf_reload = false; } StressoPotam *pPotam = *PB; try { writeThreadPool.AcceptRequest(CRef<CStdRequest>(new CWriteTask(pPotam, cln))); } catch (CBlockingQueueException& ex) { ERR_POST("Cannot add request: " << ex); } mEndStressing = TPot.TimeOfDayMilliSecs(); IterCnt ++; ITERATE(vector<StressoPotam*>, it, mPotams) { StressoPotam *pPotam = *it; pPotam -> CheckReadDelayed(cln); } } if (IterCnt / Puzator != Pupiter) { cerr << Stat() << endl; Pupiter = IterCnt / Puzator; } } }; string Stat() { string RetVal = "<==========>\n"; size_t Qty = 0; size_t Err = 0; map < size_t, StressoPotam * >::iterator PB = mPotamMap.begin(); for( ; PB != mPotamMap.end(); PB ++) { StressoPotam *pPotam = (*PB).second; Qty += pPotam -> WQty(); Err += pPotam -> WEQty(); Err += pPotam -> REQty(); Err += pPotam -> DEQty(); } size_t Diffa = mEndStressing - mStartStressing; RetVal += "Blobs written : " + NStr::UInt8ToString(Qty) + "\n"; RetVal += "All time : " + NStr::UInt8ToString(Diffa / 1000) + " seconds\n"; if (Qty != 0) { double PSec = 1000 * ((double)Qty / (double)Diffa); RetVal += "Per Second : " + NStr::DoubleToString(PSec) + "\n"; } else { RetVal += "Per Second : 0\n"; } RetVal += "All errors : " + NStr::UInt8ToString(Err) + "\n"; PB = mPotamMap.begin(); for( ; PB != mPotamMap.end(); PB ++) { StressoPotam *pPotam = (*PB).second; RetVal += " " + pPotam -> Stat() + "\n"; } return RetVal; }; private : string mService; Int4 mPerSec; Int4 mReadDelayMinutes; Int4 mReadRatio; Int4 mDelayRatio; size_t mStartStressing; size_t mEndStressing; vector < StressoPotam * > mPotams; map < size_t, StressoPotam * > mPotamMap; }; StressoPotary *ThePotary = NULL; void PrintAllStat() { if (ThePotary != NULL) { cerr << ThePotary -> Stat() << endl; } } /**************************************************** * Main ****************************************************/ string theProgName = "stress_2"; // string theConnection = "pdev1:9001"; string theConnection = ""; string theService = "pdev1:9001"; Int4 thePerSec = 25; Int4 theDelayTime = 30; Int4 theReadRatio = 2; Int4 theDelayRatio = 8; string ConnTag = "-c"; string PerSecTag = "-p"; string DelayTag = "-d"; string ReadRatioTag = "-w"; string DelayedRatioTag = "-r"; string ConnDsc = "connection"; string PerSecDsc = "per_second"; string DelayDsc = "delay_time"; string ReadRatioDsc = "read_ratio"; string DelayedRatioDsc = "delay_ratio"; void usage() { cerr << "Syntax\n"; cerr << " " << theProgName; cerr << " " << ConnTag << " " << ConnDsc; // cerr << " [" << ConnTag << " " << ConnDsc << "]"; cerr << " [" << PerSecTag << " " << PerSecDsc << "]"; cerr << " [" << DelayTag << " " << DelayDsc << "]"; cerr << " [" << ReadRatioTag << " " << ReadRatioDsc << "]"; cerr << " [" << DelayedRatioTag << " " << DelayedRatioDsc << "]"; cerr << "\n"; cerr << "Where\n"; cerr << " " << ConnDsc << " - connection string (required)\n"; cerr << " " << PerSecDsc << " - blobs per second (25)\n"; cerr << " " << DelayDsc << " - delay minutes for secondary reading (30 minutes)\n"; cerr << " " << ReadRatioDsc << " - read ratio for first reading (2)\n"; cerr << " " << DelayedRatioDsc << " - delay ratio for secondary reading (8)\n"; cerr << "\n"; } bool parseArgs(int argc, char **argv) { theProgName = *argv; for(int llp = 1; llp < argc; llp ++) { string Arg = argv[llp]; if (Arg == ConnTag) { llp ++; if (llp >= argc) { cerr << ConnDsc << " parameter missed" << endl; return false; } theConnection = argv[llp]; continue; } if (Arg == PerSecTag) { llp ++; if (llp >= argc) { cerr << PerSecDsc << " parameter missed" << endl; return false; } thePerSec = NStr::StringToInt(argv[llp]); continue; } if (Arg == DelayTag) { llp ++; if (llp >= argc) { cerr << DelayDsc << " parameter missed" << endl; return false; } theDelayTime = NStr::StringToInt(argv[llp]); continue; } if (Arg == ReadRatioTag) { llp ++; if (llp >= argc) { cerr << ReadRatioDsc << " parameter missed" << endl; return false; } theReadRatio = NStr::StringToInt(argv[llp]); continue; } if (Arg == DelayedRatioTag) { llp ++; if (llp >= argc) { cerr << DelayedRatioDsc << " parameter missed" << endl; return false; } theDelayRatio = NStr::StringToInt(argv[llp]); continue; } cerr << "Unknown parameter '" << Arg << "'" << endl; return false; } if (theConnection == "") { cerr << "Connection string parameter undefined" << endl; return false; } theService = theConnection; // cerr << "NetCache : " << theServer << ":" << thePort << endl; // cerr << "PerSec : " << thePerSec << endl; // cerr << "DelayTm : " << theDelayTime << endl; // cerr << "DelayRt : " << theDelayRatio << endl; return true; } class CMyApp : public CNcbiApplication { public: virtual int Run() { return 0; } }; int main(int argc, char **argv) { if (!parseArgs(argc, argv)) { usage(); return 1; } s_BlobId.Set(0); CMyApp app; app.AppMain(argc, argv); #ifdef USE_SIGNAL SetSigHandlers(); #endif cerr << "Press <Cntrl-C> to inerrupt" << endl; ThePotary = new StressoPotary; ThePotary -> Init( theService, thePerSec, theReadRatio, theDelayRatio, theDelayTime ); theWQty.Set(0); ThePotary -> AddPotam(250); ThePotary -> AddPotam(2000); ThePotary -> AddPotam(250); ThePotary -> AddPotam(250); ThePotary -> AddPotam(4000); ThePotary -> AddPotam(250); ThePotary -> AddPotam(250); ThePotary -> AddPotam(8000); ThePotary -> AddPotam(250); ThePotary -> AddPotam(16000); ThePotary -> AddPotam(250); ThePotary -> AddPotam(32000); ThePotary -> AddPotam(250); ThePotary -> Stress(); cerr << ThePotary -> Stat() << endl; delete ThePotary; ThePotary = NULL; return 0; }

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