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| 1 | +#include <ydb/core/blobstorage/dsproxy/dsproxy_blackboard.h> |
| 2 | +#include <ydb/core/blobstorage/dsproxy/dsproxy_strategy_restore.h> |
| 3 | +#include <library/cpp/testing/unittest/registar.h> |
| 4 | +#include <util/stream/null.h> |
| 5 | + |
| 6 | +using namespace NActors; |
| 7 | +using namespace NKikimr; |
| 8 | + |
| 9 | +#define Ctest Cnull |
| 10 | + |
| 11 | +class TGroupModel { |
| 12 | + TBlobStorageGroupInfo& Info; |
| 13 | + |
| 14 | + struct TNotYet {}; |
| 15 | + |
| 16 | + struct TDiskState { |
| 17 | + bool InErrorState = false; |
| 18 | + std::map<TLogoBlobID, std::variant<TNotYet, TRope>> Blobs; |
| 19 | + }; |
| 20 | + |
| 21 | + std::vector<TDiskState> DiskStates; |
| 22 | + |
| 23 | +public: |
| 24 | + TGroupModel(TBlobStorageGroupInfo& info) |
| 25 | + : Info(info) |
| 26 | + , DiskStates(Info.GetTotalVDisksNum()) |
| 27 | + { |
| 28 | + for (auto& disk : DiskStates) { |
| 29 | + disk.InErrorState = RandomNumber(2 * DiskStates.size()) == 0; |
| 30 | + } |
| 31 | + } |
| 32 | + |
| 33 | + TBlobStorageGroupInfo::TGroupVDisks GetFailedDisks() const { |
| 34 | + TBlobStorageGroupInfo::TGroupVDisks res = &Info.GetTopology(); |
| 35 | + for (ui32 i = 0; i < DiskStates.size(); ++i) { |
| 36 | + if (DiskStates[i].InErrorState) { |
| 37 | + res |= {&Info.GetTopology(), Info.GetVDiskId(i)}; |
| 38 | + } |
| 39 | + } |
| 40 | + return res; |
| 41 | + } |
| 42 | + |
| 43 | + void ProcessBlackboardRequests(TBlackboard& blackboard) { |
| 44 | + for (ui32 i = 0; i < blackboard.GroupDiskRequests.DiskRequestsForOrderNumber.size(); ++i) { |
| 45 | + auto& r = blackboard.GroupDiskRequests.DiskRequestsForOrderNumber[i]; |
| 46 | + Y_ABORT_UNLESS(i < DiskStates.size()); |
| 47 | + auto& disk = DiskStates[i]; |
| 48 | + for (auto& get : r.GetsToSend) { |
| 49 | + Ctest << "orderNumber# " << i << " get Id# " << get.Id; |
| 50 | + if (disk.InErrorState) { |
| 51 | + Ctest << " ERROR"; |
| 52 | + blackboard.AddErrorResponse(get.Id, i); |
| 53 | + } else if (auto it = disk.Blobs.find(get.Id); it == disk.Blobs.end()) { |
| 54 | + Ctest << " NODATA"; |
| 55 | + blackboard.AddNoDataResponse(get.Id, i); |
| 56 | + } else { |
| 57 | + std::visit(TOverloaded{ |
| 58 | + [&](TNotYet&) { |
| 59 | + Ctest << " NOT_YET"; |
| 60 | + blackboard.AddNotYetResponse(get.Id, i); |
| 61 | + }, |
| 62 | + [&](TRope& buffer) { |
| 63 | + Ctest << " OK"; |
| 64 | + size_t begin = Min<size_t>(get.Shift, buffer.size()); |
| 65 | + size_t end = Min<size_t>(buffer.size(), begin + get.Size); |
| 66 | + TRope data(buffer.begin() + begin, buffer.begin() + end); |
| 67 | + blackboard.AddResponseData(get.Id, i, get.Shift, std::move(data)); |
| 68 | + } |
| 69 | + }, it->second); |
| 70 | + } |
| 71 | + Ctest << Endl; |
| 72 | + } |
| 73 | + r.GetsToSend.clear(); |
| 74 | + for (auto& put : r.PutsToSend) { |
| 75 | + Ctest << "orderNumber# " << i << " put Id# " << put.Id; |
| 76 | + if (disk.InErrorState) { |
| 77 | + Ctest << " ERROR"; |
| 78 | + blackboard.AddErrorResponse(put.Id, i); |
| 79 | + } else { |
| 80 | + Ctest << " OK"; |
| 81 | + disk.Blobs[put.Id] = std::move(put.Buffer); |
| 82 | + blackboard.AddPutOkResponse(put.Id, i); |
| 83 | + } |
| 84 | + Ctest << Endl; |
| 85 | + } |
| 86 | + r.PutsToSend.clear(); |
| 87 | + } |
| 88 | + } |
| 89 | +}; |
| 90 | + |
| 91 | +template<typename T> |
| 92 | +void RunStrategyTest(TBlobStorageGroupType type) { |
| 93 | + TBlobStorageGroupInfo info(type); |
| 94 | + info.Ref(); |
| 95 | + TGroupQueues groupQueues(info.GetTopology()); |
| 96 | + groupQueues.Ref(); |
| 97 | + |
| 98 | + std::unordered_map<TString, std::tuple<EStrategyOutcome, TString>> transitions; |
| 99 | + |
| 100 | + for (ui32 iter = 0; iter < 1'000'000; ++iter) { |
| 101 | + Ctest << "iteration# " << iter << Endl; |
| 102 | + |
| 103 | + TBlackboard blackboard(&info, &groupQueues, NKikimrBlobStorage::UserData, NKikimrBlobStorage::FastRead); |
| 104 | + TString data(1000, 'x'); |
| 105 | + TLogoBlobID id(1'000'000'000, 1, 1, 0, data.size(), 0); |
| 106 | + std::vector<TRope> parts(type.TotalPartCount()); |
| 107 | + ErasureSplit(TBlobStorageGroupType::CrcModeNone, type, TRope(data), parts); |
| 108 | + blackboard.RegisterBlobForPut(id); |
| 109 | + for (ui32 i = 0; i < parts.size(); ++i) { |
| 110 | + blackboard.AddPartToPut(id, i, TRope(parts[i])); |
| 111 | + } |
| 112 | + blackboard[id].Whole.Data.Write(0, TRope(data)); |
| 113 | + |
| 114 | + TLogContext logCtx(NKikimrServices::BS_PROXY, false); |
| 115 | + logCtx.SuppressLog = true; |
| 116 | + |
| 117 | + TGroupModel model(info); |
| 118 | + |
| 119 | + auto sureFailedDisks = model.GetFailedDisks(); |
| 120 | + auto failedDisks = sureFailedDisks; |
| 121 | + |
| 122 | + auto& state = blackboard[id]; |
| 123 | + for (ui32 idxInSubgroup = 0; idxInSubgroup < type.BlobSubgroupSize(); ++idxInSubgroup) { |
| 124 | + for (ui32 partIdx = 0; partIdx < type.TotalPartCount(); ++partIdx) { |
| 125 | + if (!type.PartFits(partIdx + 1, idxInSubgroup)) { |
| 126 | + continue; |
| 127 | + } |
| 128 | + const ui32 orderNumber = state.Disks[idxInSubgroup].OrderNumber; |
| 129 | + const TLogoBlobID partId(id, partIdx + 1); |
| 130 | + auto& item = state.Disks[idxInSubgroup].DiskParts[partIdx]; |
| 131 | + TBlobStorageGroupInfo::TGroupVDisks diskMask = {&info.GetTopology(), info.GetVDiskId(orderNumber)}; |
| 132 | + if (sureFailedDisks & diskMask) { |
| 133 | + if (RandomNumber(5u) == 0) { |
| 134 | + blackboard.AddErrorResponse(partId, orderNumber); |
| 135 | + } |
| 136 | + } else { |
| 137 | + switch (RandomNumber(100u)) { |
| 138 | + case 0: |
| 139 | + blackboard.AddErrorResponse(partId, orderNumber); |
| 140 | + break; |
| 141 | + |
| 142 | + case 1: |
| 143 | + blackboard.AddNoDataResponse(partId, orderNumber); |
| 144 | + break; |
| 145 | + |
| 146 | + case 2: |
| 147 | + blackboard.AddNotYetResponse(partId, orderNumber); |
| 148 | + break; |
| 149 | + |
| 150 | + case 3: |
| 151 | + blackboard.AddResponseData(partId, orderNumber, 0, TRope(parts[partIdx])); |
| 152 | + break; |
| 153 | + } |
| 154 | + } |
| 155 | + if (item.Situation == TBlobState::ESituation::Error) { |
| 156 | + failedDisks |= diskMask; |
| 157 | + } |
| 158 | + } |
| 159 | + } |
| 160 | + |
| 161 | + Ctest << "initial state# " << state.ToString() << Endl; |
| 162 | + |
| 163 | + for (;;) { |
| 164 | + T strategy; |
| 165 | + |
| 166 | + TString state = blackboard[id].ToString(); |
| 167 | + |
| 168 | + auto outcome = blackboard.RunStrategy(logCtx, strategy); |
| 169 | + |
| 170 | + TString nextState = blackboard[id].ToString(); |
| 171 | + if (const auto [it, inserted] = transitions.try_emplace(state, std::make_tuple(outcome, nextState)); !inserted) { |
| 172 | + Y_ABORT_UNLESS(it->second == std::make_tuple(outcome, nextState)); |
| 173 | + } |
| 174 | + |
| 175 | + if (outcome == EStrategyOutcome::IN_PROGRESS) { |
| 176 | + auto temp = blackboard.RunStrategy(logCtx, strategy); |
| 177 | + UNIT_ASSERT_EQUAL(temp, outcome); |
| 178 | + UNIT_ASSERT_VALUES_EQUAL(blackboard[id].ToString(), nextState); |
| 179 | + } |
| 180 | + |
| 181 | + if (outcome == EStrategyOutcome::DONE) { |
| 182 | + Y_ABORT_UNLESS(info.GetQuorumChecker().CheckFailModelForGroup(sureFailedDisks)); |
| 183 | + break; |
| 184 | + } else if (outcome == EStrategyOutcome::ERROR) { |
| 185 | + Y_ABORT_UNLESS(!info.GetQuorumChecker().CheckFailModelForGroup(failedDisks)); |
| 186 | + break; |
| 187 | + } else if (outcome != EStrategyOutcome::IN_PROGRESS) { |
| 188 | + Y_ABORT("unexpected EStrategyOutcome"); |
| 189 | + } |
| 190 | + |
| 191 | + model.ProcessBlackboardRequests(blackboard); |
| 192 | + } |
| 193 | + } |
| 194 | +} |
| 195 | + |
| 196 | +Y_UNIT_TEST_SUITE(DSProxyStrategyTest) { |
| 197 | + |
| 198 | + Y_UNIT_TEST(Restore_block42) { |
| 199 | + RunStrategyTest<TRestoreStrategy>(TBlobStorageGroupType::Erasure4Plus2Block); |
| 200 | + } |
| 201 | + |
| 202 | +} |
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