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// Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
#include "node_maintenance_stats_tracker.h"
#include <vespa/vespalib/stllike/hash_map.hpp>
#include <vespa/vespalib/stllike/hash_map_equal.hpp>
#include <ostream>
namespace storage::distributor {
const NodeMaintenanceStats NodeMaintenanceStatsTracker::_emptyNodeMaintenanceStats;
NodeMaintenanceStats &
NodeMaintenanceStatsTracker::stats(uint16_t node, document::BucketSpace bucketSpace) {
return _node_stats[BucketSpaceAndNode(node, bucketSpace)];
}
const NodeMaintenanceStats &
NodeMaintenanceStatsTracker::stats(uint16_t node, document::BucketSpace bucketSpace) const noexcept {
auto nodeItr = _node_stats.find(BucketSpaceAndNode(node, bucketSpace));
return (nodeItr != _node_stats.end()) ? nodeItr->second : _emptyNodeMaintenanceStats;
}
const NodeMaintenanceStats&
NodeMaintenanceStatsTracker::forNode(uint16_t node, document::BucketSpace bucketSpace) const noexcept {
return stats(node, bucketSpace);
}
bool
NodeMaintenanceStatsTracker::operator==(const NodeMaintenanceStatsTracker& rhs) const noexcept {
return ((_node_stats == rhs._node_stats) &&
(_max_observed_time_since_last_gc == rhs._max_observed_time_since_last_gc));
}
void
NodeMaintenanceStatsTracker::merge(const NodeMaintenanceStatsTracker& rhs)
{
for (const auto& entry : rhs._node_stats) {
auto key = entry.first;
_node_stats[key].merge(entry.second);
}
_max_observed_time_since_last_gc = std::max(_max_observed_time_since_last_gc,
rhs._max_observed_time_since_last_gc);
}
std::ostream&
operator<<(std::ostream& os, const NodeMaintenanceStats& stats)
{
os << "NodeStats("
<< "movingOut=" << stats.movingOut
<< ",syncing=" << stats.syncing
<< ",copyingIn=" << stats.copyingIn
<< ",copyingOut=" << stats.copyingOut
<< ",total=" << stats.total
<< ")";
return os;
}
NodeMaintenanceStatsTracker::NodeMaintenanceStatsTracker() noexcept
: _node_stats(),
_total_stats(),
_max_observed_time_since_last_gc(0)
{}
NodeMaintenanceStatsTracker::NodeMaintenanceStatsTracker(NodeMaintenanceStatsTracker &&) noexcept = default;
NodeMaintenanceStatsTracker & NodeMaintenanceStatsTracker::operator =(NodeMaintenanceStatsTracker &&) noexcept = default;
NodeMaintenanceStatsTracker::NodeMaintenanceStatsTracker(const NodeMaintenanceStatsTracker &) = default;
NodeMaintenanceStatsTracker::~NodeMaintenanceStatsTracker() = default;
void
NodeMaintenanceStatsTracker::reset(size_t nodes) {
_node_stats.clear();
_node_stats.resize(nodes);
_total_stats = NodeMaintenanceStats();
_max_observed_time_since_last_gc = vespalib::duration::zero();
}
}
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