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rust-rocksdb/librocksdb-sys/rocksdb/db/write_stall_stats.h

47 lines
1.7 KiB

// Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved.
// This source code is licensed under both the GPLv2 (found in the
// COPYING file in the root directory) and Apache 2.0 License
// (found in the LICENSE.Apache file in the root directory).
#pragma once
#include <array>
#include "db/internal_stats.h"
#include "rocksdb/types.h"
namespace ROCKSDB_NAMESPACE {
extern const std::string& InvalidWriteStallHyphenString();
extern const std::string& WriteStallCauseToHyphenString(WriteStallCause cause);
extern const std::string& WriteStallConditionToHyphenString(
WriteStallCondition condition);
// REQUIRES:
// cause` is CF-scope `WriteStallCause`, see `WriteStallCause` for more
//
// REQUIRES:
// `condition` != `WriteStallCondition::kNormal`
extern InternalStats::InternalCFStatsType InternalCFStat(
WriteStallCause cause, WriteStallCondition condition);
// REQUIRES:
// cause` is DB-scope `WriteStallCause`, see `WriteStallCause` for more
//
// REQUIRES:
// `condition` != `WriteStallCondition::kNormal`
extern InternalStats::InternalDBStatsType InternalDBStat(
WriteStallCause cause, WriteStallCondition condition);
extern bool isCFScopeWriteStallCause(WriteStallCause cause);
extern bool isDBScopeWriteStallCause(WriteStallCause cause);
constexpr uint32_t kNumCFScopeWriteStallCauses =
static_cast<uint32_t>(WriteStallCause::kCFScopeWriteStallCauseEnumMax) -
static_cast<uint32_t>(WriteStallCause::kMemtableLimit);
constexpr uint32_t kNumDBScopeWriteStallCauses =
static_cast<uint32_t>(WriteStallCause::kDBScopeWriteStallCauseEnumMax) -
static_cast<uint32_t>(WriteStallCause::kWriteBufferManagerLimit);
} // namespace ROCKSDB_NAMESPACE