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Increase the number of concurrent DNS lookups. 

Modern websites use around 15 hosts on average so the limit of 5 DNS
looks meant that most non-trivial sites have to wait for at least one
unneeded round trip.

Task-number: QTBUG-30866
Change-Id: I584dd46c247e0413b2ed88dd66f111cff08ff987
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
This commit is contained in:
Richard J. Moore 2014-02-15 14:06:19 +00:00 committed by The Qt Project
parent 6de515aea2
commit ddbbf2b4a7
1 changed files with 1 additions and 1 deletions
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2
src/network/kernel/qhostinfo.cpp
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@ -508,7 +508,7 @@ QHostInfoLookupManager::QHostInfoLookupManager() : mutex(QMutex::Recursive), was
{
moveToThread(QCoreApplicationPrivate::mainThread());
connect(QCoreApplication::instance(), SIGNAL(destroyed()), SLOT(waitForThreadPoolDone()), Qt::DirectConnection);
threadPool.setMaxThreadCount(5); // do 5 DNS lookups in parallel
threadPool.setMaxThreadCount(20); // do up to 20 DNS lookups in parallel
}
QHostInfoLookupManager::~QHostInfoLookupManager()