| commit | 2acf99898514e6c44c8817f2962a64258c6e301a | [log] [tgz] |
|---|---|---|
| author | Alan Conway <aconway@apache.org> | Mon Jul 25 13:12:19 2011 +0000 |
| committer | Alan Conway <aconway@apache.org> | Mon Jul 25 13:12:19 2011 +0000 |
| tree | a93631adb5ae233b34b4d1d75bcfc1b53a0a2dc2 | |
| parent | 4bdcae965d344ca21210303b47d941e13a9a4e3c [diff] |
QPID-2920: Sleep on cpg flow control to avoid thrashing. Added a 1ms sleep when CPG is flow controlled. Huge thruput improvement for qpid-cluster-benchmarks multi-host case. git-svn-id: https://svn.apache.org/repos/asf/qpid/branches/qpid-2920@1150684 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/qpid/cpp/src/qpid/cluster/exp/Multicaster.cpp b/qpid/cpp/src/qpid/cluster/exp/Multicaster.cpp index bdf6c33..cf8703c 100644 --- a/qpid/cpp/src/qpid/cluster/exp/Multicaster.cpp +++ b/qpid/cpp/src/qpid/cluster/exp/Multicaster.cpp
@@ -65,6 +65,7 @@ std::transform(i, j, ioVector.begin(), &bufToIov); if (!cpg.mcast(&ioVector[0], len)) { // CPG didn't send because of CPG flow control. + ::usleep(1000); // Don't spin too tightly. return i; } i = j;