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// Copyright 2018 Yahoo Holdings. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
#pragma once
#include <vespa/searchcore/proton/metrics/documentdb_tagged_metrics.h>
#include <vespa/searchlib/docstore/cachestats.h>
namespace proton {
namespace matching { class SessionManager; }
class AttributeUsageFilter;
class DDBState;
class DocumentDBJobTrackers;
class DocumentDBMetricsCollection;
class DocumentSubDBCollection;
class ExecutorThreadingService;
class ExecutorThreadingServiceStats;
class LegacyDocumentDBMetrics;
/**
* Class used to update metrics for a document db.
*/
class DocumentDBMetricsUpdater {
public:
struct DocumentStoreCacheStats {
search::CacheStats total;
search::CacheStats readySubDb;
search::CacheStats notReadySubDb;
search::CacheStats removedSubDb;
DocumentStoreCacheStats() : total(), readySubDb(), notReadySubDb(), removedSubDb() {}
};
private:
const DocumentSubDBCollection &_subDBs;
ExecutorThreadingService &_writeService;
DocumentDBJobTrackers &_jobTrackers;
matching::SessionManager &_sessionManager;
const AttributeUsageFilter &_writeFilter;
const DDBState &_state;
// Last updated document store cache statistics. Necessary due to metrics implementation is upside down.
DocumentStoreCacheStats _lastDocStoreCacheStats;
void updateLegacyMetrics(LegacyDocumentDBMetrics &metrics, const ExecutorThreadingServiceStats &threadingServiceStats);
void updateMiscMetrics(DocumentDBTaggedMetrics &metrics, const ExecutorThreadingServiceStats &threadingServiceStats);
void updateAttributeResourceUsageMetrics(DocumentDBTaggedMetrics::AttributeMetrics &metrics);
public:
DocumentDBMetricsUpdater(const DocumentSubDBCollection &subDBs,
ExecutorThreadingService &writeService,
DocumentDBJobTrackers &jobTrackers,
matching::SessionManager &sessionManager,
const AttributeUsageFilter &writeFilter,
const DDBState &state);
~DocumentDBMetricsUpdater();
void updateMetrics(DocumentDBMetricsCollection &metrics);
};
}
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