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| /* | ||
| * (C) Copyright 1996- ECMWF. | ||
| * | ||
| * This software is licensed under the terms of the Apache Licence Version 2.0 | ||
| * which can be obtained at http://www.apache.org/licenses/LICENSE-2.0. | ||
| * In applying this licence, ECMWF does not waive the privileges and immunities | ||
| * granted to it by virtue of its status as an intergovernmental organisation nor | ||
| * does it submit to any jurisdiction. | ||
| */ | ||
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| #include "eckit/io/MoverTransferSelection.h" | ||
| #include "eckit/io/cluster/ClusterNodes.h" | ||
| #include "eckit/exception/Exceptions.h" | ||
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| #include "eckit/log/Bytes.h" | ||
| #include "eckit/log/Log.h" | ||
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| #include "eckit/runtime/Metrics.h" | ||
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| namespace eckit { | ||
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| MoverTransferSelection::MoverTransferSelection() {} | ||
| MoverTransferSelection::~MoverTransferSelection(){} | ||
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| void MoverTransferSelection::updateCost(const std::string& name, const eckit::Length& length) { | ||
| cost_[name] += length; | ||
| } | ||
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| void MoverTransferSelection::updateCost(const eckit::NodeInfo& node, const eckit::Length& length) { | ||
| updateCost(node.name(), length); | ||
| } | ||
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| void MoverTransferSelection::requiredMoverAttributes(const std::set<std::string>& attrs) { | ||
| moverAttributes_.insert(attrs.begin(), attrs.end()); | ||
| } | ||
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| void MoverTransferSelection::selectedMover(NodeInfo& result, bool& metrics) { | ||
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| metrics = false; | ||
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| if (preferredMover_.length() ) { | ||
| if (ClusterNodes::available("mover", preferredMover_)) { | ||
| NodeInfo preferred = ClusterNodes::lookUp("mover", preferredMover_); | ||
| if (preferred.supportsAttributes(moverAttributes_)) { | ||
| Log::info() << "Using preferred mover " << preferredMover_ << std::endl; | ||
| result = preferred; | ||
| return; | ||
| } | ||
| Log::warning() << "Preferred mover " | ||
| << preferredMover_ | ||
| << " does not support mover attributes: " | ||
| << moverAttributes_ << std::endl; | ||
| } | ||
| else { | ||
| Log::warning() << "Preferred mover " << preferredMover_ | ||
| << " is not available" << std::endl; | ||
| } | ||
| } | ||
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| std::map<std::string, Length> cost; | ||
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| for (const auto& c : cost_) { | ||
| if (ClusterNodes::available("mover", c.first) && | ||
| ClusterNodes::lookUp("mover", c.first).supportsAttributes(moverAttributes_)) { | ||
| cost.insert(c); | ||
| } | ||
| } | ||
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| if (cost.empty()) { | ||
| result = ClusterNodes::any("mover", moverAttributes_); | ||
| return; | ||
| } | ||
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| Log::info() << "MoverTransfer::transfer cost:" << std::endl; | ||
| for (std::map<std::string, Length>::iterator j = cost.begin(); j != cost.end(); ++j) { | ||
| Log::info() << " " << (*j).first << " => " << Bytes((*j).second) << std::endl; | ||
| } | ||
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| std::string which; | ||
| Length best = 0; | ||
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| for (const auto& c : cost) { | ||
| if(c.second >= best) { | ||
| best = c.second; | ||
| which = c.first; | ||
| } | ||
| } | ||
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| ASSERT(which != ""); | ||
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| metrics = true; | ||
| result = ClusterNodes::lookUp("mover", which); | ||
| } | ||
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| NodeInfo MoverTransferSelection::selectedMover() { | ||
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| NodeInfo result; | ||
| bool metrics = false; | ||
| selectedMover(result, metrics); | ||
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| Metrics::set("mover_node", result.node()); | ||
| if (metrics) { | ||
| for (auto j = cost_.begin(); j != cost_.end(); ++j) { | ||
| std::string h = (*j).first; | ||
| unsigned long long l = (*j).second; | ||
| Metrics::set("mover_costs." + h, l); | ||
| } | ||
| } | ||
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| return result; | ||
| } | ||
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| void MoverTransferSelection::preferredMover(const NodeInfo& node) { | ||
| preferredMover(node.name()); | ||
| } | ||
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| void MoverTransferSelection::preferredMover(const std::string& name) { | ||
| preferredMover_ = name; | ||
| } | ||
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| //---------------------------------------------------------------------------------------------------------------------- | ||
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| } // namespace eckit |
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