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Too many threads can cause an I/O bottleneck.

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JoelKatz
2013-05-09 12:28:43 -07:00
parent 840795be5a
commit 7f4daf7fd7
1 changed files with 2 additions and 0 deletions
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2
src/cpp/ripple/JobQueue.cpp
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@@ -239,6 +239,8 @@ void JobQueue::setThreadCount(int c)
c = boost::thread::hardware_concurrency(); c = boost::thread::hardware_concurrency();
if (c < 0) if (c < 0)
c = 2; c = 2;
if (c > 4) // I/O will bottleneck
c = 4;
c += 2; c += 2;
cLog(lsINFO) << "Auto-tuning to " << c << " validation/transaction/proposal threads"; cLog(lsINFO) << "Auto-tuning to " << c << " validation/transaction/proposal threads";
} }