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arangodb/lib/ApplicationFeatures/PageSizeFeature.cpp

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////////////////////////////////////////////////////////////////////////////////
/// DISCLAIMER
///
/// Copyright 2016 ArangoDB GmbH, Cologne, Germany
///
/// Licensed under the Apache License, Version 2.0 (the "License");
/// you may not use this file except in compliance with the License.
/// You may obtain a copy of the License at
///
/// http://www.apache.org/licenses/LICENSE-2.0
///
/// Unless required by applicable law or agreed to in writing, software
/// distributed under the License is distributed on an "AS IS" BASIS,
/// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
/// See the License for the specific language governing permissions and
/// limitations under the License.
///
/// Copyright holder is ArangoDB GmbH, Cologne, Germany
///
/// @author Jan Steemann
////////////////////////////////////////////////////////////////////////////////
#include "PageSizeFeature.h"
#include "Logger/Logger.h"
#ifdef TRI_HAVE_UNISTD_H
#include <unistd.h>
#endif
using namespace arangodb::basics;
namespace arangodb {
size_t PageSizeFeature::PageSize = 0;
PageSizeFeature::PageSizeFeature(application_features::ApplicationServer& server)
: ApplicationFeature(server, "PageSize") {
setOptional(false);
startsAfter("GreetingsPhase");
}
void PageSizeFeature::prepare() {
PageSize = static_cast<size_t>(getpagesize());
LOG_TOPIC("c6b86", TRACE, arangodb::Logger::FIXME) << "page size is " << PageSize;
}
} // namespace arangodb