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volume_database.cpp
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volume_database.cpp
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#include "volume_database.h"
#include "volume_schema.h"
#include <cloud/blockstore/libs/service/request_helpers.h>
#include <cloud/blockstore/public/api/protos/mount.pb.h>
namespace NCloud::NBlockStore::NStorage {
using namespace NKikimr;
namespace {
////////////////////////////////////////////////////////////////////////////////
constexpr ui32 META_KEY = 1;
constexpr ui32 THROTTLER_STATE_KEY = 1;
THistoryLogKey CreateHistoryLogKey(ui64 ts, ui64 seqNo)
{
return THistoryLogKey{
TInstant::MicroSeconds(Max<ui64>() - ts),
Max<ui64>() - seqNo};
}
THistoryLogKey CreateReversedHistoryLogKey(const THistoryLogKey& key)
{
return CreateHistoryLogKey(key.Timestamp.MicroSeconds(), key.SeqNo);
}
}; // namespace
////////////////////////////////////////////////////////////////////////////////
void TVolumeDatabase::InitSchema()
{
Materialize<TVolumeSchema>();
TSchemaInitializer<TVolumeSchema::TTables>::InitStorage(Database.Alter());
}
////////////////////////////////////////////////////////////////////////////////
void TVolumeDatabase::WriteMeta(const NProto::TVolumeMeta& meta)
{
using TTable = TVolumeSchema::Meta;
Table<TTable>()
.Key(META_KEY)
.Update(NIceDb::TUpdate<TTable::VolumeMeta>(meta));
}
bool TVolumeDatabase::ReadMeta(TMaybe<NProto::TVolumeMeta>& meta)
{
using TTable = TVolumeSchema::Meta;
auto it = Table<TTable>()
.Key(META_KEY)
.Select<TTable::TColumns>();
if (!it.IsReady()) {
return false; // not ready
}
if (it.IsValid()) {
meta = it.GetValue<TTable::VolumeMeta>();
}
return true;
}
void TVolumeDatabase::WriteStartPartitionsNeeded(const bool startPartitionsNeeded)
{
using TTable = TVolumeSchema::Meta;
Table<TTable>()
.Key(META_KEY)
.Update(NIceDb::TUpdate<TTable::StartPartitionsNeeded>(startPartitionsNeeded));
}
bool TVolumeDatabase::ReadStartPartitionsNeeded(TMaybe<bool>& startPartitionsNeeded)
{
using TTable = TVolumeSchema::Meta;
auto it = Table<TTable>()
.Key(META_KEY)
.Select<TTable::TColumns>();
if (!it.IsReady()) {
return false; // not ready
}
if (it.IsValid()) {
startPartitionsNeeded = it.GetValue<TTable::StartPartitionsNeeded>();
}
return true;
}
void TVolumeDatabase::WriteStorageConfig(const NProto::TStorageServiceConfig& storageConfig)
{
using TTable = TVolumeSchema::Meta;
Table<TTable>()
.Key(META_KEY)
.Update(NIceDb::TUpdate<TTable::StorageConfig>(storageConfig));
}
bool TVolumeDatabase::ReadStorageConfig(
TMaybe<NProto::TStorageServiceConfig>& storageConfig)
{
using TTable = TVolumeSchema::Meta;
auto it = Table<TTable>()
.Key(META_KEY)
.Select<TTable::TColumns>();
if (!it.IsReady()) {
return false; // not ready
}
if (it.IsValid()) {
storageConfig = it.GetValue<TTable::StorageConfig>();
}
return true;
}
////////////////////////////////////////////////////////////////////////////////
void TVolumeDatabase::WriteMetaHistory(
ui32 version,
const TVolumeMetaHistoryItem& meta)
{
using TTable = TVolumeSchema::MetaHistory;
Table<TTable>()
.Key(version)
.Update(
NIceDb::TUpdate<TTable::Timestamp>(meta.Timestamp.MicroSeconds()),
NIceDb::TUpdate<TTable::VolumeMeta>(meta.Meta));
// simple size limit
Table<TTable>()
.Key(version - 1000)
.Delete();
}
bool TVolumeDatabase::ReadMetaHistory(TVector<TVolumeMetaHistoryItem>& metas)
{
using TTable = TVolumeSchema::MetaHistory;
auto it = Table<TTable>()
.Range()
.Select<TTable::TColumns>();
if (!it.IsReady()) {
return false; // not ready
}
while (it.IsValid()) {
auto timestamp = TInstant::MicroSeconds(it.GetValue<TTable::Timestamp>());
auto meta = it.GetValue<TTable::VolumeMeta>();
metas.push_back({timestamp, std::move(meta)});
if (!it.Next()) {
return false; // not ready
}
}
return true;
}
////////////////////////////////////////////////////////////////////////////////
void TVolumeDatabase::WriteClients(const THashMap<TString, TVolumeClientState>& infos)
{
using TTable = TVolumeSchema::Clients;
for (const auto& pair: infos) {
Table<TTable>()
.Key(pair.first)
.Update(NIceDb::TUpdate<TTable::ClientInfo>(pair.second.GetVolumeClientInfo()));
}
}
bool TVolumeDatabase::ReadClients(THashMap<TString, TVolumeClientState>& infos)
{
using TTable = TVolumeSchema::Clients;
auto it = Table<TTable>()
.Range()
.Select<TTable::TColumns>();
if (!it.IsReady()) {
return false; // not ready
}
while (it.IsValid()) {
auto info = it.GetValue<TTable::ClientInfo>();
infos[info.GetClientId()] = TVolumeClientState(info);
if (!it.Next()) {
return false; // not ready
}
}
return true;
}
////////////////////////////////////////////////////////////////////////////////
void TVolumeDatabase::WriteClient(const NProto::TVolumeClientInfo& info)
{
using TTable = TVolumeSchema::Clients;
Table<TTable>()
.Key(info.GetClientId())
.Update(NIceDb::TUpdate<TTable::ClientInfo>(info));
}
bool TVolumeDatabase::ReadClient(
const TString& clientId,
TMaybe<NProto::TVolumeClientInfo>& info)
{
using TTable = TVolumeSchema::Clients;
auto it = Table<TTable>()
.Key(clientId)
.Select<TTable::TColumns>();
if (!it.IsReady()) {
return false;
}
if (it.IsValid()) {
info = it.GetValue<TTable::ClientInfo>();
}
return true;
}
void TVolumeDatabase::RemoveClient(const TString& clientId)
{
using TTable = TVolumeSchema::Clients;
Table<TTable>()
.Key(clientId)
.Delete();
}
////////////////////////////////////////////////////////////////////////////////
bool TVolumeDatabase::ReadOutdatedHistory(
TInstant oldestTimestamp,
ui32 itemCount,
TVector<THistoryLogKey>& records)
{
if (!itemCount) {
return true;
}
using TTable = TVolumeSchema::History;
auto dbKey =
CreateReversedHistoryLogKey(THistoryLogKey(oldestTimestamp));
auto it = Table<TTable>()
.GreaterOrEqual(
dbKey.Timestamp.MicroSeconds(),
dbKey.SeqNo)
.Select<TTable::TKeyColumns>();
if (!it.IsReady()) {
return false; // not ready
}
while (it.IsValid()) {
auto key = CreateHistoryLogKey(
it.GetValue<TTable::Timestamp>(),
it.GetValue<TTable::SeqNo>());
records.push_back(key);
if (records.size() == itemCount) {
return true;
}
if (!it.Next()) {
return false; // not ready
}
}
return true;
}
bool TVolumeDatabase::ReadHistory(
THistoryLogKey startTs,
TInstant endTs,
ui64 numRecords,
TVolumeMountHistorySlice& records)
{
using TTable = TVolumeSchema::History;
auto dbKey = CreateReversedHistoryLogKey(startTs);
auto it = Table<TTable>()
.GreaterOrEqual(
dbKey.Timestamp.MicroSeconds(),
dbKey.SeqNo)
.Select<TTable::TColumns>();
if (!it.IsReady()) {
return false; // not ready
}
while (it.IsValid()) {
auto itemKey = CreateHistoryLogKey(
it.template GetValue<TTable::Timestamp>(),
it.template GetValue<TTable::SeqNo>());
if (itemKey.Timestamp < endTs) {
return true;
}
if (records.Items.size() == numRecords) {
records.NextOlderRecord.emplace(itemKey);
return true;
}
THistoryLogItem item {itemKey, it.template GetValue<TTable::OperationInfo>()};
records.Items.push_back(std::move(item));
if (!it.Next()) {
return false; // not ready
}
}
return true;
}
void TVolumeDatabase::DeleteHistoryEntry(THistoryLogKey entry)
{
using TTable = TVolumeSchema::History;
auto dbKey = CreateReversedHistoryLogKey(entry);
Table<TTable>()
.Key(
dbKey.Timestamp.MicroSeconds(),
dbKey.SeqNo)
.Delete();
}
void TVolumeDatabase::WriteHistory(THistoryLogItem item)
{
using TTable = TVolumeSchema::History;
auto dbKey = CreateReversedHistoryLogKey(item.Key);
Table<TTable>()
.Key(dbKey.Timestamp.MicroSeconds(), dbKey.SeqNo)
.Update(NIceDb::TUpdate<TTable::OperationInfo>(item.Operation));
}
////////////////////////////////////////////////////////////////////////////////
void TVolumeDatabase::WritePartStats(
ui64 partTabletId,
const NProto::TCachedPartStats& stats)
{
using TTable = TVolumeSchema::PartStats;
Table<TTable>()
.Key(partTabletId)
.Update(NIceDb::TUpdate<TTable::Stats>(stats));
}
bool TVolumeDatabase::ReadPartStats(TVector<TPartStats>& stats)
{
using TTable = TVolumeSchema::PartStats;
auto it = Table<TTable>().Select<TTable::TColumns>();
if (!it.IsReady()) {
return false; // not ready
}
while (it.IsValid()) {
stats.push_back({
it.GetValue<TTable::PartTabletId>(),
it.GetValue<TTable::Stats>()
});
if (!it.Next()) {
return false; // not ready
}
}
return true;
}
void TVolumeDatabase::WriteNonReplPartStats(
ui64 id,
const NProto::TCachedPartStats& stats)
{
using TTable = TVolumeSchema::NonReplPartStats;
Table<TTable>()
.Key(id)
.Update(NIceDb::TUpdate<TTable::Stats>(stats));
}
bool TVolumeDatabase::ReadNonReplPartStats(TVector<TPartStats>& stats)
{
using TTable = TVolumeSchema::NonReplPartStats;
auto it = Table<TTable>().Select<TTable::TColumns>();
if (!it.IsReady()) {
return false; // not ready
}
while (it.IsValid()) {
stats.push_back({
it.GetValue<TTable::Id>(),
it.GetValue<TTable::Stats>()
});
if (!it.Next()) {
return false; // not ready
}
}
return true;
}
////////////////////////////////////////////////////////////////////////////////
void TVolumeDatabase::WriteCheckpointRequest(
const TCheckpointRequest& request)
{
using TTable = TVolumeSchema::CheckpointRequests;
Table<TTable>()
.Key(request.RequestId)
.Update(
NIceDb::TUpdate<TTable::CheckpointId>(request.CheckpointId),
NIceDb::TUpdate<TTable::Timestamp>(request.Timestamp.MicroSeconds()),
NIceDb::TUpdate<TTable::State>(static_cast<ui32>(request.State)),
NIceDb::TUpdate<TTable::ReqType>(static_cast<ui32>(request.ReqType)),
NIceDb::TUpdate<TTable::CheckpointType>(static_cast<ui32>(request.Type)));
}
void TVolumeDatabase::UpdateCheckpointRequest(
ui64 requestId,
bool completed,
const TString& shadowDiskId,
EShadowDiskState shadowDiskState,
const TString& error)
{
using TTable = TVolumeSchema::CheckpointRequests;
auto state = completed ? ECheckpointRequestState::Completed
: ECheckpointRequestState::Rejected;
Table<TTable>().Key(requestId).Update(
NIceDb::TUpdate<TTable::State>(static_cast<ui32>(state)),
NIceDb::TUpdate<TTable::ShadowDiskId>(shadowDiskId),
NIceDb::TUpdate<TTable::ShadowDiskState>(
static_cast<ui32>(shadowDiskState)),
NIceDb::TUpdate<TTable::CheckpointError>(error));
}
void TVolumeDatabase::UpdateShadowDiskState(
ui64 requestId,
ui64 processedBlockCount,
EShadowDiskState shadowDiskState)
{
using TTable = TVolumeSchema::CheckpointRequests;
Table<TTable>().Key(requestId).Update(
NIceDb::TUpdate<TTable::ShadowDiskProcessedBlockCount>(
processedBlockCount),
NIceDb::TUpdate<TTable::ShadowDiskState>(
static_cast<ui32>(shadowDiskState)));
}
bool TVolumeDatabase::CollectCheckpointsToDelete(
TDuration deletedCheckpointHistoryLifetime,
TInstant now,
THashMap<TString, TInstant>& deletedCheckpoints)
{
using TTable = TVolumeSchema::CheckpointRequests;
auto it = Table<TTable>().Select<TTable::TColumns>();
if (!it.IsReady()) {
return false; // not ready
}
while (it.IsValid()) {
auto requestState = static_cast<ECheckpointRequestState>(it.GetValue<TTable::State>());
auto timestamp = TInstant::MicroSeconds(it.GetValue<TTable::Timestamp>());
auto reqType = static_cast<ECheckpointRequestType>(it.GetValue<TTable::ReqType>());
if (reqType == ECheckpointRequestType::Delete &&
requestState == ECheckpointRequestState::Completed &&
timestamp + deletedCheckpointHistoryLifetime <= now)
{
deletedCheckpoints[it.GetValue<TTable::CheckpointId>()] = timestamp;
}
if (!it.Next()) {
return false; // not ready
}
}
return true;
}
bool TVolumeDatabase::ReadCheckpointRequests(
const THashMap<TString, TInstant>& deletedCheckpoints,
TVector<TCheckpointRequest>& requests,
TVector<ui64>& outdatedCheckpointRequestIds)
{
using TTable = TVolumeSchema::CheckpointRequests;
auto it = Table<TTable>().Select<TTable::TColumns>();
if (!it.IsReady()) {
return false; // not ready
}
while (it.IsValid()) {
const auto& id = it.GetValue<TTable::CheckpointId>();
auto checkpointIt = deletedCheckpoints.find(id);
if (checkpointIt != deletedCheckpoints.end() &&
TInstant::MicroSeconds(it.GetValue<TTable::Timestamp>()) <= checkpointIt->second)
{
outdatedCheckpointRequestIds.push_back(it.GetValue<TTable::RequestId>());
} else {
requests.emplace_back(
it.GetValue<TTable::RequestId>(),
it.GetValue<TTable::CheckpointId>(),
TInstant::MicroSeconds(it.GetValue<TTable::Timestamp>()),
static_cast<ECheckpointRequestType>(
it.GetValue<TTable::ReqType>()),
static_cast<ECheckpointRequestState>(
it.GetValue<TTable::State>()),
static_cast<ECheckpointType>(
it.GetValue<TTable::CheckpointType>()),
it.GetValue<TTable::ShadowDiskId>(),
static_cast<EShadowDiskState>(
it.GetValue<TTable::ShadowDiskState>()),
it.GetValue<TTable::ShadowDiskProcessedBlockCount>(),
it.GetValue<TTable::CheckpointError>());
}
if (!it.Next()) {
return false; // not ready
}
}
return true;
}
void TVolumeDatabase::DeleteCheckpointEntry(ui64 requestId)
{
using TTable = TVolumeSchema::CheckpointRequests;
Table<TTable>()
.Key(requestId)
.Delete();
}
////////////////////////////////////////////////////////////////////////////////
void TVolumeDatabase::WriteUsedBlocks(
const TCompressedBitmap::TSerializedChunk& chunk)
{
using TTable = TVolumeSchema::UsedBlocks;
Table<TTable>()
.Key(chunk.ChunkIdx)
.Update(NIceDb::TUpdate<TTable::Bitmap>(chunk.Data));
}
bool TVolumeDatabase::ReadUsedBlocks(TCompressedBitmap& usedBlocks)
{
using TTable = TVolumeSchema::UsedBlocks;
auto it = Table<TTable>()
.Range()
.Select();
if (!it.IsReady()) {
return false; // not ready
}
while (it.IsValid()) {
usedBlocks.Update({
it.GetValue<TTable::RangeIndex>(),
it.GetValue<TTable::Bitmap>()
});
if (!it.Next()) {
return false; // not ready
}
}
return true;
}
////////////////////////////////////////////////////////////////////////////////
void TVolumeDatabase::WriteThrottlerState(const TThrottlerStateInfo& stateInfo)
{
using TTable = TVolumeSchema::ThrottlerState;
Table<TTable>()
.Key(THROTTLER_STATE_KEY)
.Update(NIceDb::TUpdate<TTable::Budget>(stateInfo.Budget));
}
bool TVolumeDatabase::ReadThrottlerState(TMaybe<TThrottlerStateInfo>& stateInfo)
{
using TTable = TVolumeSchema::ThrottlerState;
auto it = Table<TTable>()
.Key(THROTTLER_STATE_KEY)
.Select<TTable::TColumns>();
if (!it.IsReady()) {
return false; // not ready
}
if (it.IsValid()) {
stateInfo = {
it.GetValue<TTable::Budget>()
};
}
return true;
}
////////////////////////////////////////////////////////////////////////////////
void TVolumeDatabase::WriteVolumeParams(
const TVector<TRuntimeVolumeParamsValue>& volumeParams)
{
using TTable = TVolumeSchema::VolumeParams;
for (const auto& param: volumeParams) {
Table<TTable>()
.Key(param.Key)
.Update(
NIceDb::TUpdate<TTable::Value>(param.Value),
NIceDb::TUpdate<TTable::ValidUntil>(
param.ValidUntil.MicroSeconds()));
}
}
void TVolumeDatabase::DeleteVolumeParams(const TVector<TString>& keys)
{
using TTable = TVolumeSchema::VolumeParams;
for (const auto& key: keys) {
Table<TTable>()
.Key(key)
.Delete();
}
}
bool TVolumeDatabase::ReadVolumeParams(
TVector<TRuntimeVolumeParamsValue>& volumeParams)
{
using TTable = TVolumeSchema::VolumeParams;
volumeParams.clear();
auto it = Table<TTable>()
.Range()
.Select<TTable::TColumns>();
if (!it.IsReady()) {
return false; // not ready
}
while (it.IsValid()) {
volumeParams.push_back({
it.GetValue<TTable::Key>(),
it.GetValue<TTable::Value>(),
TInstant::MicroSeconds(
it.GetValue<TTable::ValidUntil>()
)
});
if (!it.Next()) {
return false; // not ready
}
}
return true;
}
} // namespace NCloud::NBlockStore::NStorage