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#include "blob_depot.h"
#include "blob_depot_tablet.h"
#include "blocks.h"
#include "garbage_collection.h"
#include "data.h"
#include "data_uncertain.h"
#include "space_monitor.h"
namespace NKikimr::NBlobDepot {
TBlobDepot::TBlobDepot(TActorId tablet, TTabletStorageInfo *info)
: TActor(&TThis::StateInit)
, TTabletExecutedFlat(info, tablet, new NMiniKQL::TMiniKQLFactory)
, TabletCountersPtr(new TProtobufTabletCounters<
NKikimrBlobDepot::ESimpleCounters_descriptor,
NKikimrBlobDepot::ECumulativeCounters_descriptor,
NKikimrBlobDepot::EPercentileCounters_descriptor,
NKikimrBlobDepot::ETxTypes_descriptor
>())
, TabletCounters(TabletCountersPtr.Get())
, BlocksManager(new TBlocksManager(this))
, BarrierServer(new TBarrierServer(this))
, Data(new TData(this))
, SpaceMonitor(new TSpaceMonitor(this))
{}
TBlobDepot::~TBlobDepot()
{}
void TBlobDepot::HandleFromAgent(STATEFN_SIG) {
switch (const ui32 type = ev->GetTypeRewrite()) {
hFunc(TEvBlobDepot::TEvRegisterAgent, Handle);
hFunc(TEvBlobDepot::TEvAllocateIds, Handle);
hFunc(TEvBlobDepot::TEvCommitBlobSeq, Handle);
hFunc(TEvBlobDepot::TEvDiscardSpoiledBlobSeq, Handle);
hFunc(TEvBlobDepot::TEvResolve, Data->Handle);
hFunc(TEvBlobDepot::TEvBlock, BlocksManager->Handle);
hFunc(TEvBlobDepot::TEvQueryBlocks, BlocksManager->Handle);
hFunc(TEvBlobDepot::TEvCollectGarbage, BarrierServer->Handle);
hFunc(TEvBlobDepot::TEvPushNotifyResult, Handle);
default:
Y_FAIL();
}
}
STFUNC(TBlobDepot::StateWork) {
try {
auto handleFromAgentPipe = [this](auto& ev) {
const auto it = PipeServers.find(ev->Recipient);
Y_VERIFY(it != PipeServers.end());
auto& info = it->second;
STLOG(PRI_DEBUG, BLOB_DEPOT, BDT69, "HandleFromAgentPipe", (Id, GetLogId()), (RequestId, ev->Cookie),
(Sender, ev->Sender), (PipeServerId, ev->Recipient), (ProcessThroughQueue, info.ProcessThroughQueue),
(NextExpectedMsgId, info.NextExpectedMsgId), (PostponeQ.size, info.PostponeQ.size()));
if (info.ProcessThroughQueue || !ReadyForAgentQueries()) {
info.PostponeQ.emplace_back(ev.Release());
info.ProcessThroughQueue = true;
} else {
// ensure correct ordering of incoming messages
Y_VERIFY_S(ev->Cookie == info.NextExpectedMsgId, "message reordering detected Cookie# " << ev->Cookie
<< " NextExpectedMsgId# " << info.NextExpectedMsgId << " Type# " << Sprintf("%08" PRIx32,
ev->GetTypeRewrite()) << " Id# " << GetLogId());
++info.NextExpectedMsgId;
HandleFromAgent(ev);
}
};
switch (const ui32 type = ev->GetTypeRewrite()) {
cFunc(TEvents::TSystem::Poison, HandlePoison);
hFunc(TEvBlobDepot::TEvApplyConfig, Handle);
fFunc(TEvBlobDepot::EvRegisterAgent, handleFromAgentPipe);
fFunc(TEvBlobDepot::EvAllocateIds, handleFromAgentPipe);
fFunc(TEvBlobDepot::EvCommitBlobSeq, handleFromAgentPipe);
fFunc(TEvBlobDepot::EvDiscardSpoiledBlobSeq, handleFromAgentPipe);
fFunc(TEvBlobDepot::EvResolve, handleFromAgentPipe);
fFunc(TEvBlobDepot::EvBlock, handleFromAgentPipe);
fFunc(TEvBlobDepot::EvQueryBlocks, handleFromAgentPipe);
fFunc(TEvBlobDepot::EvPushNotifyResult, handleFromAgentPipe);
fFunc(TEvBlobDepot::EvCollectGarbage, handleFromAgentPipe);
cFunc(TEvPrivate::EvProcessRegisterAgentQ, ProcessRegisterAgentQ);
hFunc(TEvBlobStorage::TEvCollectGarbageResult, Data->Handle);
hFunc(TEvBlobStorage::TEvRangeResult, Data->Handle);
hFunc(TEvBlobStorage::TEvGetResult, Data->UncertaintyResolver->Handle);
hFunc(TEvBlobStorage::TEvStatusResult, SpaceMonitor->Handle);
cFunc(TEvPrivate::EvKickSpaceMonitor, KickSpaceMonitor);
hFunc(TEvTabletPipe::TEvServerConnected, Handle);
hFunc(TEvTabletPipe::TEvServerDisconnected, Handle);
cFunc(TEvPrivate::EvCommitCertainKeys, Data->HandleCommitCertainKeys);
cFunc(TEvPrivate::EvDoGroupMetricsExchange, DoGroupMetricsExchange);
hFunc(TEvBlobStorage::TEvControllerGroupMetricsExchange, Handle);
default:
if (!HandleDefaultEvents(ev, ctx)) {
Y_FAIL("unexpected event Type# 0x%08" PRIx32, type);
}
break;
}
} catch (...) {
Y_FAIL_S("unexpected exception# " << CurrentExceptionMessage());
}
}
void TBlobDepot::PassAway() {
for (const TActorId& actorId : {GroupAssimilatorId}) {
if (actorId) {
TActivationContext::Send(new IEventHandle(TEvents::TSystem::Poison, 0, actorId, SelfId(), nullptr, 0));
}
}
TActor::PassAway();
}
void TBlobDepot::InitChannelKinds() {
STLOG(PRI_DEBUG, BLOB_DEPOT, BDT07, "InitChannelKinds", (Id, GetLogId()));
TTabletStorageInfo *info = Info();
const ui32 generation = Executor()->Generation();
Y_VERIFY(Channels.empty());
ui32 channel = 0;
for (const auto& profile : Config.GetChannelProfiles()) {
for (ui32 i = 0, count = profile.GetCount(); i < count; ++i, ++channel) {
const ui32 groupId = info->GroupFor(channel, generation);
if (channel >= 2) {
const auto kind = profile.GetChannelKind();
auto& p = ChannelKinds[kind];
p.ChannelToIndex[channel] = p.ChannelGroups.size();
p.ChannelGroups.emplace_back(channel, groupId);
Channels.push_back({
ui8(channel),
groupId,
kind,
&p,
{},
TBlobSeqId{channel, generation, 1, 0}.ToSequentialNumber(),
{},
{},
{},
});
Groups[groupId].Channels[kind].push_back(channel);
} else {
Channels.push_back({
ui8(channel),
groupId,
NKikimrBlobDepot::TChannelKind::System,
nullptr,
{},
0,
{},
{},
{},
});
}
}
}
}
void TBlobDepot::InvalidateGroupForAllocation(ui32 groupId) {
const auto groupIt = Groups.find(groupId);
Y_VERIFY(groupIt != Groups.end());
const auto& group = groupIt->second;
for (const auto& [kind, channels] : group.Channels) {
const auto kindIt = ChannelKinds.find(kind);
Y_VERIFY(kindIt != ChannelKinds.end());
auto& kindv = kindIt->second;
kindv.GroupAccumWeights.clear(); // invalidate
}
}
void TBlobDepot::PickChannels(NKikimrBlobDepot::TChannelKind::E kind, std::vector<ui8>& channels) {
const auto kindIt = ChannelKinds.find(kind);
Y_VERIFY(kindIt != ChannelKinds.end());
auto& kindv = kindIt->second;
if (kindv.GroupAccumWeights.empty()) {
// recalculate group weights
ui64 accum = 0;
THashSet<ui32> seenGroups;
for (const auto& [channel, groupId] : kindv.ChannelGroups) {
if (const auto& [_, inserted] = seenGroups.insert(groupId); inserted) {
accum += SpaceMonitor->GetGroupAllocationWeight(groupId);
kindv.GroupAccumWeights.emplace_back(groupId, accum);
}
}
Y_VERIFY(!kindv.GroupAccumWeights.empty());
}
const auto [_, accum] = kindv.GroupAccumWeights.back();
for (ui8& channel : channels) {
const ui64 random = RandomNumber(accum);
const auto comp = [](ui64 x, const auto& y) { return x < std::get<1>(y); };
const auto it = std::upper_bound(kindv.GroupAccumWeights.begin(), kindv.GroupAccumWeights.end(), random, comp);
Y_VERIFY(it != kindv.GroupAccumWeights.end());
const auto [groupId, _] = *it;
const auto groupIt = Groups.find(groupId);
Y_VERIFY(groupIt != Groups.end());
auto& group = groupIt->second;
const auto channelsIt = group.Channels.find(kind);
Y_VERIFY(channelsIt != group.Channels.end());
const auto& channels = channelsIt->second;
const size_t channelIndex = RandomNumber(channels.size());
channel = channels[channelIndex];
}
}
IActor *CreateBlobDepot(const TActorId& tablet, TTabletStorageInfo *info) {
return new TBlobDepot(tablet, info);
}
} // NKikimr::NBlobDepot
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