mirror of https://gitee.com/bigwinds/arangodb
119 lines
3.4 KiB
C++
119 lines
3.4 KiB
C++
////////////////////////////////////////////////////////////////////////////////
|
|
/// DISCLAIMER
|
|
///
|
|
/// Copyright 2014-2018 ArangoDB GmbH, Cologne, Germany
|
|
/// Copyright 2004-2014 triAGENS 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
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
|
|
#ifndef ARANGOD_AQL_EXECUTION_STATS_H
|
|
#define ARANGOD_AQL_EXECUTION_STATS_H 1
|
|
|
|
#include <cstdint>
|
|
#include <map>
|
|
#include <unordered_map>
|
|
|
|
namespace arangodb {
|
|
namespace velocypack {
|
|
class Builder;
|
|
class Slice;
|
|
}
|
|
namespace aql {
|
|
|
|
struct ExecutionStats {
|
|
ExecutionStats();
|
|
|
|
/// @brief instantiate the statistics from VelocyPack
|
|
explicit ExecutionStats(arangodb::velocypack::Slice const& slice);
|
|
|
|
/// @brief statistics per ExecutionNode
|
|
struct Node {
|
|
size_t calls = 0;
|
|
size_t items = 0;
|
|
double runtime = 0.0;
|
|
ExecutionStats::Node& operator+=(ExecutionStats::Node const& other);
|
|
};
|
|
|
|
public:
|
|
/// @brief convert the statistics to VelocyPack
|
|
void toVelocyPack(arangodb::velocypack::Builder&, bool reportFullCount) const;
|
|
|
|
/// @brief create empty statistics for VelocyPack
|
|
static void toVelocyPackStatic(arangodb::velocypack::Builder&);
|
|
|
|
/// @brief sets query execution time from the outside
|
|
void setExecutionTime(double value);
|
|
|
|
/// @brief sets the peak memory usage from the outside
|
|
void setPeakMemoryUsage(size_t value);
|
|
|
|
/// @brief sumarize two sets of ExecutionStats
|
|
void add(ExecutionStats const& summand);
|
|
|
|
void clear();
|
|
|
|
void addAliases(std::unordered_map<size_t, size_t>&& aliases) {
|
|
_nodeAliases = std::move(aliases);
|
|
}
|
|
|
|
/// @brief number of successfully executed write operations
|
|
int64_t writesExecuted;
|
|
|
|
/// @brief number of ignored write operations (ignored due to errors)
|
|
int64_t writesIgnored;
|
|
|
|
/// @brief number of documents scanned (full-collection scan)
|
|
int64_t scannedFull;
|
|
|
|
/// @brief number of documents scanned (using indexes scan)
|
|
int64_t scannedIndex;
|
|
|
|
/// @brief number of documents filtered away
|
|
int64_t filtered;
|
|
|
|
/// @brief total number of requests made
|
|
int64_t requests;
|
|
|
|
/// @brief total number of results, before applying last limit
|
|
int64_t fullCount;
|
|
|
|
/// @brief total number of results
|
|
int64_t count;
|
|
|
|
/// @brief query execution time (wall-clock time). value will be set from
|
|
/// the outside
|
|
double executionTime;
|
|
|
|
/// @brief peak memory usage of the query
|
|
size_t peakMemoryUsage;
|
|
|
|
/// @brief statistics per ExecutionNodes
|
|
std::map<size_t, ExecutionStats::Node> nodes;
|
|
|
|
private:
|
|
/// @brief Node aliases, source => target.
|
|
/// Every source node in the this aliases list
|
|
/// will be counted as the target instead
|
|
/// within nodes.
|
|
std::unordered_map<size_t, size_t> _nodeAliases;
|
|
};
|
|
} // namespace aql
|
|
} // namespace arangodb
|
|
|
|
#endif
|