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#include "dsproxy.h"
#include "dsproxy_mon.h"
#include <ydb/core/blobstorage/base/wilson_events.h>
#include <ydb/core/blobstorage/vdisk/query/query_spacetracker.h>
#include <util/generic/set.h>
namespace NKikimr {
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// GET request
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
class TBlobStorageGroupMultiGetRequest : public TBlobStorageGroupRequestActor<TBlobStorageGroupMultiGetRequest> {
struct TRequestInfo {
ui64 BeginIdx;
ui64 EndIdx;
bool IsReplied;
};
const ui64 QuerySize;
const TArrayHolder<TEvBlobStorage::TEvGet::TQuery> Queries;
const TInstant Deadline;
const bool IsInternal;
TArrayHolder<TEvBlobStorage::TEvGetResult::TResponse> Responses;
const TInstant StartTime;
const bool MustRestoreFirst;
const NKikimrBlobStorage::EGetHandleClass GetHandleClass;
const ui32 ForceBlockedGeneration;
static constexpr ui64 MaxRequestsInFlight = 3;
ui64 RequestsInFlight = 0;
std::deque<std::pair<std::unique_ptr<TEvBlobStorage::TEvGet>, ui64>> PendingGets;
TStackVec<TRequestInfo, TypicalDisksInGroup> RequestInfos;
void Handle(TEvBlobStorage::TEvGetResult::TPtr &ev) {
RequestsInFlight--;
WILSON_TRACE_FROM_ACTOR(*TlsActivationContext, *this, &TraceId, EvGetResultReceived, MergedNode = std::move(ev->TraceId));
const TEvBlobStorage::TEvGetResult &res = *ev->Get();
if (res.Status != NKikimrProto::OK) {
R_LOG_ERROR_S("BPMG1", "Handle TEvGetResult status# " << NKikimrProto::EReplyStatus_Name(res.Status));
ReplyAndDie(res.Status);
return;
}
Y_VERIFY(ev->Cookie < RequestInfos.size());
TRequestInfo &info = RequestInfos[ev->Cookie];
Y_VERIFY(!info.IsReplied);
info.IsReplied = true;
Y_VERIFY(res.ResponseSz == info.EndIdx - info.BeginIdx);
for (ui64 offset = 0; offset < res.ResponseSz; ++offset) {
Responses[info.BeginIdx + offset] = res.Responses[offset];
}
SendRequests();
}
friend class TBlobStorageGroupRequestActor<TBlobStorageGroupMultiGetRequest>;
void ReplyAndDie(NKikimrProto::EReplyStatus status) {
std::unique_ptr<TEvBlobStorage::TEvGetResult> ev(new TEvBlobStorage::TEvGetResult(status, QuerySize, Info->GroupID));
for (ui32 i = 0, e = QuerySize; i != e; ++i) {
const TEvBlobStorage::TEvGet::TQuery &query = Queries[i];
TEvBlobStorage::TEvGetResult::TResponse &x = ev->Responses[i];
x.Status = NKikimrProto::UNKNOWN;
x.Id = query.Id;
}
ev->ErrorReason = ErrorReason;
Mon->CountGetResponseTime(Info->GetDeviceType(), GetHandleClass, ev->PayloadSizeBytes(), TActivationContext::Now() - StartTime);
WILSON_TRACE_FROM_ACTOR(*TlsActivationContext, *this, &TraceId, MultiGetResultSent);
Y_VERIFY(status != NKikimrProto::OK);
SendResponseAndDie(std::move(ev));
}
std::unique_ptr<IEventBase> RestartQuery(ui32) {
Y_FAIL();
}
public:
static constexpr NKikimrServices::TActivity::EType ActorActivityType() {
return NKikimrServices::TActivity::BS_PROXY_MULTIGET_ACTOR;
}
static const auto& ActiveCounter(const TIntrusivePtr<TBlobStorageGroupProxyMon>& mon) {
return mon->ActiveMultiGet;
}
TBlobStorageGroupMultiGetRequest(const TIntrusivePtr<TBlobStorageGroupInfo> &info,
const TIntrusivePtr<TGroupQueues> &state, const TActorId &source,
const TIntrusivePtr<TBlobStorageGroupProxyMon> &mon, TEvBlobStorage::TEvGet *ev, ui64 cookie,
NWilson::TTraceId traceId, TMaybe<TGroupStat::EKind> latencyQueueKind, TInstant now,
TIntrusivePtr<TStoragePoolCounters> &storagePoolCounters)
: TBlobStorageGroupRequestActor(info, state, mon, source, cookie, std::move(traceId),
NKikimrServices::BS_PROXY_MULTIGET, false, latencyQueueKind, now, storagePoolCounters, 0)
, QuerySize(ev->QuerySize)
, Queries(ev->Queries.Release())
, Deadline(ev->Deadline)
, IsInternal(ev->IsInternal)
, Responses(new TEvBlobStorage::TEvGetResult::TResponse[QuerySize])
, StartTime(now)
, MustRestoreFirst(ev->MustRestoreFirst)
, GetHandleClass(ev->GetHandleClass)
, ForceBlockedGeneration(ev->ForceBlockedGeneration)
{}
void PrepareRequest(ui32 beginIdx, ui32 endIdx) {
Y_VERIFY(endIdx > beginIdx);
ui64 cookie = RequestInfos.size();
RequestInfos.push_back({beginIdx, endIdx, false});
TArrayHolder<TEvBlobStorage::TEvGet::TQuery> queries(new TEvBlobStorage::TEvGet::TQuery[endIdx - beginIdx]);
for (ui32 idx = beginIdx; idx < endIdx; ++idx) {
queries[idx - beginIdx] = Queries[idx];
}
auto ev = std::make_unique<TEvBlobStorage::TEvGet>(queries, endIdx - beginIdx, Deadline, GetHandleClass,
MustRestoreFirst, false, ForceBlockedGeneration);
ev->IsInternal = IsInternal;
PendingGets.emplace_back(std::move(ev), cookie);
}
void SendRequests() {
for (; RequestsInFlight < MaxRequestsInFlight && !PendingGets.empty(); ++RequestsInFlight, PendingGets.pop_front()) {
auto& [ev, cookie] = PendingGets.front();
WILSON_TRACE_FROM_ACTOR(*TlsActivationContext, *this, &TraceId, EvGetSent);
SendToBSProxy(SelfId(), Info->GroupID, ev.release(), cookie, TraceId.SeparateBranch());
}
if (!RequestsInFlight && PendingGets.empty()) {
auto ev = std::make_unique<TEvBlobStorage::TEvGetResult>(NKikimrProto::OK, 0, Info->GroupID);
ev->ResponseSz = QuerySize;
ev->Responses = std::move(Responses);
Mon->CountGetResponseTime(Info->GetDeviceType(), GetHandleClass, ev->PayloadSizeBytes(), TActivationContext::Now() - StartTime);
WILSON_TRACE_FROM_ACTOR(*TlsActivationContext, *this, &TraceId, MultiGetResultSent);
SendResponseAndDie(std::move(ev));
}
}
void Bootstrap() {
WILSON_TRACE_FROM_ACTOR(*TlsActivationContext, *this, &TraceId, MultiGetReceived);
auto dumpQuery = [this] {
TStringStream str;
str << "{";
for (ui32 i = 0; i < QuerySize; ++i) {
str << (i ? " " : "")
<< Queries[i].Id
<< "@" << Queries[i].Shift
<< ":" << Queries[i].Size;
}
str << "}";
return str.Str();
};
A_LOG_INFO_S("BPMG3", "bootstrap"
<< " ActorId# " << SelfId()
<< " Group# " << Info->GroupID
<< " Query# " << dumpQuery()
<< " Deadline# " << Deadline);
Y_VERIFY(QuerySize != 0); // reply with error?
ui32 beginIdx = 0;
TLogoBlobID lastBlobId;
TQueryResultSizeTracker resultSize;
resultSize.Init();
for (ui32 queryIdx = 0; queryIdx < QuerySize; ++queryIdx) {
const TEvBlobStorage::TEvGet::TQuery &query = Queries[queryIdx];
if (lastBlobId == query.Id && queryIdx != 0) {
continue;
}
resultSize.AddAllPartsOfLogoBlob(Info->Type, query.Id);
if (queryIdx != beginIdx) {
if (resultSize.IsOverflow() || queryIdx - beginIdx == 10000) {
PrepareRequest(beginIdx, queryIdx);
beginIdx = queryIdx;
resultSize.Init();
resultSize.AddAllPartsOfLogoBlob(Info->Type, query.Id);
}
}
}
PrepareRequest(beginIdx, QuerySize);
SendRequests();
Become(&TThis::StateWait);
}
STATEFN(StateWait) {
if (ProcessEvent(ev)) {
return;
}
switch (ev->GetTypeRewrite()) {
hFunc(TEvBlobStorage::TEvGetResult, Handle);
}
}
};
IActor* CreateBlobStorageGroupMultiGetRequest(const TIntrusivePtr<TBlobStorageGroupInfo> &info,
const TIntrusivePtr<TGroupQueues> &state, const TActorId &source,
const TIntrusivePtr<TBlobStorageGroupProxyMon> &mon, TEvBlobStorage::TEvGet *ev,
ui64 cookie, NWilson::TTraceId traceId, TMaybe<TGroupStat::EKind> latencyQueueKind,
TInstant now, TIntrusivePtr<TStoragePoolCounters> &storagePoolCounters) {
return new TBlobStorageGroupMultiGetRequest(info, state, source, mon, ev, cookie, std::move(traceId),
latencyQueueKind, now, storagePoolCounters);
}
}//NKikimr
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