291 lines
12 KiB
C++
291 lines
12 KiB
C++
/*
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* ProxyCommitData.h
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*
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* This source file is part of the FoundationDB open source project
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*
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* Copyright 2013-2020 Apple Inc. and the FoundationDB project authors
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#pragma once
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#if defined(NO_INTELLISENSE) && !defined(FDBSERVER_PROXYCOMMITDATA_ACTOR_G_H)
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#define FDBSERVER_PROXYCOMMITDATA_ACTOR_G_H
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#include "fdbserver/ProxyCommitData.actor.g.h"
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#elif !defined(FDBSERVER_PROXYCOMMITDATA_ACTOR_H)
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#define FDBSERVER_PROXYCOMMITDATA_ACTOR_H
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#include "fdbclient/FDBTypes.h"
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#include "fdbrpc/Stats.h"
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#include "fdbserver/Knobs.h"
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#include "fdbserver/LogSystemDiskQueueAdapter.h"
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#include "flow/IRandom.h"
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#include "flow/actorcompiler.h" // This must be the last #include.
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DESCR struct SingleKeyMutation {
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Standalone<StringRef> shardBegin;
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Standalone<StringRef> shardEnd;
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int64_t tag1;
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int64_t tag2;
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int64_t tag3;
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};
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struct ApplyMutationsData {
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Future<Void> worker;
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Version endVersion;
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Reference<KeyRangeMap<Version>> keyVersion;
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};
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struct ProxyStats {
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CounterCollection cc;
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Counter txnCommitIn, txnCommitVersionAssigned, txnCommitResolving, txnCommitResolved, txnCommitOut,
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txnCommitOutSuccess, txnCommitErrors;
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Counter txnConflicts;
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Counter txnRejectedForQueuedTooLong;
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Counter commitBatchIn, commitBatchOut;
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Counter mutationBytes;
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Counter mutations;
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Counter conflictRanges;
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Counter keyServerLocationIn, keyServerLocationOut, keyServerLocationErrors;
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Counter txnExpensiveClearCostEstCount;
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Version lastCommitVersionAssigned;
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LatencySample commitLatencySample;
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LatencyBands commitLatencyBands;
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// Ratio of tlogs receiving empty commit messages.
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LatencySample commitBatchingEmptyMessageRatio;
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LatencySample commitBatchingWindowSize;
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Future<Void> logger;
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int64_t maxComputeNS;
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int64_t minComputeNS;
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Reference<Histogram> commitBatchQueuingDist;
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Reference<Histogram> getCommitVersionDist;
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std::vector<Reference<Histogram>> resolverDist;
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Reference<Histogram> resolutionDist;
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Reference<Histogram> postResolutionDist;
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Reference<Histogram> processingMutationDist;
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Reference<Histogram> tlogLoggingDist;
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Reference<Histogram> replyCommitDist;
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int64_t getAndResetMaxCompute() {
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int64_t r = maxComputeNS;
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maxComputeNS = 0;
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return r;
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}
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int64_t getAndResetMinCompute() {
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int64_t r = minComputeNS;
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minComputeNS = 1e12;
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return r;
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}
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explicit ProxyStats(UID id,
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Version* pVersion,
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NotifiedVersion* pCommittedVersion,
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int64_t* commitBatchesMemBytesCountPtr)
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: cc("ProxyStats", id.toString()), txnCommitIn("TxnCommitIn", cc),
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txnCommitVersionAssigned("TxnCommitVersionAssigned", cc), txnCommitResolving("TxnCommitResolving", cc),
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txnCommitResolved("TxnCommitResolved", cc), txnCommitOut("TxnCommitOut", cc),
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txnCommitOutSuccess("TxnCommitOutSuccess", cc), txnCommitErrors("TxnCommitErrors", cc),
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txnConflicts("TxnConflicts", cc), txnRejectedForQueuedTooLong("TxnRejectedForQueuedTooLong", cc),
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commitBatchIn("CommitBatchIn", cc), commitBatchOut("CommitBatchOut", cc), mutationBytes("MutationBytes", cc),
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mutations("Mutations", cc), conflictRanges("ConflictRanges", cc),
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keyServerLocationIn("KeyServerLocationIn", cc), keyServerLocationOut("KeyServerLocationOut", cc),
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keyServerLocationErrors("KeyServerLocationErrors", cc),
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txnExpensiveClearCostEstCount("ExpensiveClearCostEstCount", cc), lastCommitVersionAssigned(0),
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commitLatencySample("CommitLatencyMetrics",
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id,
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SERVER_KNOBS->LATENCY_METRICS_LOGGING_INTERVAL,
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SERVER_KNOBS->LATENCY_SAMPLE_SIZE),
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commitLatencyBands("CommitLatencyMetrics", id, SERVER_KNOBS->STORAGE_LOGGING_DELAY),
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commitBatchingEmptyMessageRatio("CommitBatchingEmptyMessageRatio",
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id,
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SERVER_KNOBS->LATENCY_METRICS_LOGGING_INTERVAL,
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SERVER_KNOBS->LATENCY_SAMPLE_SIZE),
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commitBatchingWindowSize("CommitBatchingWindowSize",
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id,
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SERVER_KNOBS->LATENCY_METRICS_LOGGING_INTERVAL,
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SERVER_KNOBS->LATENCY_SAMPLE_SIZE),
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maxComputeNS(0), minComputeNS(1e12),
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commitBatchQueuingDist(Histogram::getHistogram(LiteralStringRef("CommitProxy"),
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LiteralStringRef("CommitBatchQueuing"),
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Histogram::Unit::microseconds)),
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getCommitVersionDist(Histogram::getHistogram(LiteralStringRef("CommitProxy"),
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LiteralStringRef("GetCommitVersion"),
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Histogram::Unit::microseconds)),
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resolutionDist(Histogram::getHistogram(LiteralStringRef("CommitProxy"),
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LiteralStringRef("Resolution"),
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Histogram::Unit::microseconds)),
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postResolutionDist(Histogram::getHistogram(LiteralStringRef("CommitProxy"),
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LiteralStringRef("PostResolutionQueuing"),
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Histogram::Unit::microseconds)),
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processingMutationDist(Histogram::getHistogram(LiteralStringRef("CommitProxy"),
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LiteralStringRef("ProcessingMutation"),
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Histogram::Unit::microseconds)),
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tlogLoggingDist(Histogram::getHistogram(LiteralStringRef("CommitProxy"),
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LiteralStringRef("TlogLogging"),
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Histogram::Unit::microseconds)),
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replyCommitDist(Histogram::getHistogram(LiteralStringRef("CommitProxy"),
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LiteralStringRef("ReplyCommit"),
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Histogram::Unit::microseconds)) {
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specialCounter(cc, "LastAssignedCommitVersion", [this]() { return this->lastCommitVersionAssigned; });
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specialCounter(cc, "Version", [pVersion]() { return *pVersion; });
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specialCounter(cc, "CommittedVersion", [pCommittedVersion]() { return pCommittedVersion->get(); });
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specialCounter(cc, "CommitBatchesMemBytesCount", [commitBatchesMemBytesCountPtr]() {
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return *commitBatchesMemBytesCountPtr;
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});
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specialCounter(cc, "MaxCompute", [this]() { return this->getAndResetMaxCompute(); });
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specialCounter(cc, "MinCompute", [this]() { return this->getAndResetMinCompute(); });
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logger = traceCounters("ProxyMetrics", id, SERVER_KNOBS->WORKER_LOGGING_INTERVAL, &cc, "ProxyMetrics");
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}
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};
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struct ProxyCommitData {
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UID dbgid;
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int64_t commitBatchesMemBytesCount;
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ProxyStats stats;
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MasterInterface master;
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std::vector<ResolverInterface> resolvers;
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LogSystemDiskQueueAdapter* logAdapter;
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Reference<ILogSystem> logSystem;
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IKeyValueStore* txnStateStore;
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NotifiedVersion committedVersion; // Provided that this recovery has succeeded or will succeed, this version is
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// fully committed (durable)
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Version minKnownCommittedVersion; // No version smaller than this one will be used as the known committed version
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// during recovery
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Version version; // The version at which txnStateStore is up to date
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Promise<Void> validState; // Set once txnStateStore and version are valid
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double lastVersionTime;
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KeyRangeMap<std::set<Key>> vecBackupKeys;
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uint64_t commitVersionRequestNumber;
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uint64_t mostRecentProcessedRequestNumber;
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KeyRangeMap<Deque<std::pair<Version, int>>> keyResolvers;
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KeyRangeMap<ServerCacheInfo> keyInfo; // keyrange -> all storage servers in all DCs for the keyrange
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KeyRangeMap<bool> cacheInfo;
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std::map<Key, ApplyMutationsData> uid_applyMutationsData;
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bool firstProxy;
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double lastCoalesceTime;
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bool locked;
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Optional<Value> metadataVersion;
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double commitBatchInterval;
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int64_t localCommitBatchesStarted;
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NotifiedVersion latestLocalCommitBatchResolving;
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NotifiedVersion latestLocalCommitBatchLogging;
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RequestStream<GetReadVersionRequest> getConsistentReadVersion;
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RequestStream<CommitTransactionRequest> commit;
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Database cx;
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Reference<AsyncVar<ServerDBInfo> const> db;
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EventMetricHandle<SingleKeyMutation> singleKeyMutationEvent;
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std::map<UID, Reference<StorageInfo>> storageCache;
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std::unordered_map<UID, StorageServerInterface> tssMapping;
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std::map<Tag, Version> tag_popped;
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Deque<std::pair<Version, Version>> txsPopVersions;
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Version lastTxsPop;
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bool popRemoteTxs;
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std::vector<Standalone<StringRef>> whitelistedBinPathVec;
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Optional<LatencyBandConfig> latencyBandConfig;
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double lastStartCommit;
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double lastCommitLatency;
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int updateCommitRequests = 0;
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NotifiedDouble lastCommitTime;
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std::vector<double> commitComputePerOperation;
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UIDTransactionTagMap<TransactionCommitCostEstimation> ssTrTagCommitCost;
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double lastMasterReset;
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double lastResolverReset;
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// The tag related to a storage server rarely change, so we keep a vector of tags for each key range to be slightly
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// more CPU efficient. When a tag related to a storage server does change, we empty out all of these vectors to
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// signify they must be repopulated. We do not repopulate them immediately to avoid a slow task.
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const std::vector<Tag>& tagsForKey(StringRef key) {
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auto& tags = keyInfo[key].tags;
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if (!tags.size()) {
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auto& r = keyInfo.rangeContaining(key).value();
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r.populateTags();
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return r.tags;
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}
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return tags;
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}
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bool needsCacheTag(KeyRangeRef range) {
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auto ranges = cacheInfo.intersectingRanges(range);
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for (auto r : ranges) {
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if (r.value()) {
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return true;
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}
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}
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return false;
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}
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void updateLatencyBandConfig(Optional<LatencyBandConfig> newLatencyBandConfig) {
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if (newLatencyBandConfig.present() != latencyBandConfig.present() ||
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(newLatencyBandConfig.present() &&
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newLatencyBandConfig.get().commitConfig != latencyBandConfig.get().commitConfig)) {
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TraceEvent("LatencyBandCommitUpdatingConfig").detail("Present", newLatencyBandConfig.present());
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stats.commitLatencyBands.clearBands();
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if (newLatencyBandConfig.present()) {
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for (auto band : newLatencyBandConfig.get().commitConfig.bands) {
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stats.commitLatencyBands.addThreshold(band);
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}
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}
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}
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latencyBandConfig = newLatencyBandConfig;
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}
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void updateSSTagCost(const UID& id, const TagSet& tagSet, MutationRef m, int cost) {
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auto [it, _] = ssTrTagCommitCost.try_emplace(id, TransactionTagMap<TransactionCommitCostEstimation>());
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for (auto& tag : tagSet) {
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auto& costItem = it->second[tag];
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if (m.isAtomicOp() || m.type == MutationRef::Type::SetValue || m.type == MutationRef::Type::ClearRange) {
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costItem.opsSum++;
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costItem.costSum += cost;
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}
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}
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}
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ProxyCommitData(UID dbgid,
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MasterInterface master,
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RequestStream<GetReadVersionRequest> getConsistentReadVersion,
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Version recoveryTransactionVersion,
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RequestStream<CommitTransactionRequest> commit,
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Reference<AsyncVar<ServerDBInfo> const> db,
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bool firstProxy)
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: dbgid(dbgid), commitBatchesMemBytesCount(0),
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stats(dbgid, &version, &committedVersion, &commitBatchesMemBytesCount), master(master), logAdapter(nullptr),
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txnStateStore(nullptr), committedVersion(recoveryTransactionVersion), minKnownCommittedVersion(0), version(0),
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lastVersionTime(0), commitVersionRequestNumber(1), mostRecentProcessedRequestNumber(0), firstProxy(firstProxy),
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lastCoalesceTime(0), locked(false), commitBatchInterval(SERVER_KNOBS->COMMIT_TRANSACTION_BATCH_INTERVAL_MIN),
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localCommitBatchesStarted(0), getConsistentReadVersion(getConsistentReadVersion), commit(commit),
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cx(openDBOnServer(db, TaskPriority::DefaultEndpoint, LockAware::True)), db(db),
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singleKeyMutationEvent(LiteralStringRef("SingleKeyMutation")), lastTxsPop(0), popRemoteTxs(false),
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lastStartCommit(0), lastCommitLatency(SERVER_KNOBS->REQUIRED_MIN_RECOVERY_DURATION), lastCommitTime(0),
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lastMasterReset(now()), lastResolverReset(now()) {
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commitComputePerOperation.resize(SERVER_KNOBS->PROXY_COMPUTE_BUCKETS, 0.0);
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}
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};
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#include "flow/unactorcompiler.h"
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#endif // FDBSERVER_PROXYCOMMITDATA_H
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