ndb - shm transporter benchmark result

ndb/docs/wl2077.txt

@@ -3,18 +3,24 @@
 1 host, 1 ndbd, api co-hosted
 results in 1000 rows / sec
 
-		       wo/reset bounds  w/ rb
-4.1-read committed     a) 4.9		b) 7.4
-4.1-read hold lock     c) 4.7		d) 6.7
-
-wl2077-read committed  6.4 (+30%)	10.8 (+45%)
-wl2077-read hold lock  4.6 (-1%)	6.7 (+ 0%)
-
--- Comparision e)
-serial pk:	       10.9'
-batched (1000):	       59'
-serial uniq index:     8.4'
-batched (1000):	       33'
+					wo/reset bounds  w/ rb
+4.1-read committed		        a) 4.9		b) 7.4
+4.1-read hold lock			c) 4.7		d) 6.7
+
+wl2077-read committed			6.4 (+30%)	10.8 (+45%)
+wl2077-read hold lock			4.6 (-1%)	6.7 (+ 0%)
+
+5.0-ndb batch read committed		f) 50' (+680%)	g) 50' (+360%)
+5.0-ndb batch read hold lock		h) 12' (+160%)	i) 13' (+79%)
+
+shm-mem	read committed (cmp. wl2077)	a) 9.5' (+48%)	b) 14' (+30%)
+	read hold lock			c) 6.7'	(+45%)	d) 9.8'	(+46%)
+
+-- Comparision e)			shm
+serial pk:	       10.9'		20' (+83%)
+batched (1000):	       59'		62' (+5%)
+serial uniq index:     8.4'		14' (+66%)
+batched (1000):	       33'		36' (+9%)
 index range (1000):    186'
 
 ----
@@ -25,6 +31,8 @@ b) testScanPerf -s 100000 -c 0 -d 0 -a 1 -l 0 -r 2 -q 1 T1
 c) testScanPerf -s 100000 -c 0 -d 0 -a 1 -l 1 -r 2 -q 0 T1
 d) testScanPerf -s 100000 -c 0 -d 0 -a 1 -l 1 -r 2 -q 1 T1
 e) testReadPerf -i 25 -c 0 -d 0 T1
+f) testScanPerf -s 100000 -c 0 -d 0 -a 1 -l 0 -r 3 -q 0 -m 1000 -i 10 T1
+g) testScanPerf -s 100000 -c 0 -d 0 -a 1 -l 0 -r 3 -q 1 -m 1000 -i 10 T1
 
 --- music join		1db-co		2db-co
 			
@@ -33,3 +41,8 @@ e) testReadPerf -i 25 -c 0 -d 0 T1
 
 wl2077			12s		14s
 wl2077 wo/ blobs	1.2s (-30%)	2.5s (-22%)
+
+pekka-blob-fix		1.3s
+
+shm			1.2s		2.0s
+shm wo/ blobs		1.1s		2.0s

ndb/include/transporter/TransporterRegistry.hpp

@@ -312,6 +312,8 @@ private:
   Uint32 poll_TCP(Uint32 timeOutMillis);
   Uint32 poll_SCI(Uint32 timeOutMillis);
   Uint32 poll_SHM(Uint32 timeOutMillis);
+  
+  int m_shm_own_pid;
 };
 
 #endif // Define of TransporterRegistry_H

ndb/src/common/transporter/SHM_Transporter.cpp

@@ -214,7 +214,8 @@ SHM_Transporter::connect_server_impl(NDB_SOCKET_TYPE sockfd)
   }
 
   // Send ok to client
-  s_output.println("shm server 1 ok: %d", g_shm_pid);
+  s_output.println("shm server 1 ok: %d", 
+		   m_transporter_registry.m_shm_own_pid);
   
   // Wait for ok from client
   if (s_input.gets(buf, 256) == 0) 
@@ -293,7 +294,8 @@ SHM_Transporter::connect_client_impl(NDB_SOCKET_TYPE sockfd)
   }
 
   // Send ok to server
-  s_output.println("shm client 1 ok: %d", g_shm_pid);
+  s_output.println("shm client 1 ok: %d", 
+		   m_transporter_registry.m_shm_own_pid);
   
   int r= connect_common(sockfd);
   

ndb/src/common/transporter/TransporterRegistry.cpp

@@ -1273,10 +1273,8 @@ TransporterRegistry::startReceiving()
 #endif
 
 #ifdef NDB_SHM_TRANSPORTER
-  if(nSHMTransporters)
-  {
-    signal(SIGUSR1, shm_sig_handler);
-  }
+  m_shm_own_pid = getpid();
+  signal(SIGUSR1, shm_sig_handler);
 #endif
 }
 

ndb/src/kernel/main.cpp

@@ -49,8 +49,6 @@ void catchsigs(bool ignore); // for process signal handling
 extern "C" void handler_shutdown(int signum);  // for process signal handling
 extern "C" void handler_error(int signum);  // for process signal handling
 
-extern int g_shm_pid;
-
 // Shows system information
 void systemInfo(const Configuration & conf,
 		const LogLevel & ll); 
@@ -147,7 +145,6 @@ int main(int argc, char** argv)
   }
 
   g_eventLogger.info("Angel pid: %d ndb pid: %d", getppid(), getpid());
-  g_shm_pid = getpid();
   theConfig->setupConfiguration();
   systemInfo(* theConfig, * theConfig->m_logLevel); 
   

ndb/src/ndbapi/TransporterFacade.cpp

@@ -450,12 +450,8 @@ runReceiveResponse_C(void * me)
   return me;
 }
 
-extern int g_shm_pid;
-
 void TransporterFacade::threadMainReceive(void)
 {
-  g_shm_pid = getpid();
-  
   theTransporterRegistry->startReceiving();
   NdbMutex_Lock(theMutexPtr);
   theTransporterRegistry->update_connections();