foundationdb/fdbserver/workloads/PubSubMultiples.actor.cpp

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/*
* PubSubMultiples.actor.cpp
*
* This source file is part of the FoundationDB open source project
*
* Copyright 2013-2018 Apple Inc. and the FoundationDB project authors
*
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* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
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* http://www.apache.org/licenses/LICENSE-2.0
*
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* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "fdbclient/NativeAPI.actor.h"
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#include "fdbserver/pubsub.h"
#include "fdbserver/TesterInterface.actor.h"
#include "fdbserver/workloads/workloads.actor.h"
#include "flow/actorcompiler.h" // This must be the last #include.
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struct PubSubMultiplesWorkload : TestWorkload {
double testDuration, messagesPerSecond;
int actorCount, inboxesPerActor;
vector<Future<Void>> inboxWatchers;
PerfIntCounter messages;
PubSubMultiplesWorkload(WorkloadContext const& wcx)
: TestWorkload(wcx),
messages("Messages")
{
testDuration = getOption( options, LiteralStringRef("testDuration"), 10.0 );
messagesPerSecond = getOption( options, LiteralStringRef("messagesPerSecond"), 500.0 ) / clientCount;
actorCount = getOption( options, LiteralStringRef("actorsPerClient"), 20 );
inboxesPerActor = getOption( options, LiteralStringRef("inboxesPerActor"), 20 );
}
virtual std::string description() { return "PubSubMultiplesWorkload"; }
virtual Future<Void> setup( Database const& cx ) {
return createNodes( this, cx );
}
virtual Future<Void> start( Database const& cx ) {
Future<Void> _ = startTests( this, cx );
return delay(testDuration);
}
virtual Future<bool> check( Database const& cx ) {
return true;
}
virtual void getMetrics( vector<PerfMetric>& m ) {
m.push_back( messages.getMetric() );
}
Key keyForFeed( int i ) { return StringRef( format( "/PSM/feeds/%d", i ) ); }
Key keyForInbox( int i ) { return StringRef( format( "/PSM/inbox/%d", i ) ); }
Value valueForUInt( uint64_t i ) { return StringRef( format( "%llx", i ) ); }
ACTOR Future<Void> createNodeSwath( PubSubMultiplesWorkload *self, int actor, Database cx ) {
state PubSub ps(cx);
state vector<uint64_t> feeds;
state vector<uint64_t> inboxes;
state int idx;
for(idx = 0; idx < self->inboxesPerActor; idx++) {
uint64_t feedIdx = wait( ps.createFeed( StringRef() ) );
feeds.push_back( feedIdx );
uint64_t inboxIdx = wait( ps.createInbox( StringRef() ) );
inboxes.push_back( inboxIdx );
}
state Transaction tr(cx);
loop {
try {
for(int idx = 0; idx < self->inboxesPerActor; idx++) {
int offset = ( self->clientId * self->clientCount * self->actorCount * self->inboxesPerActor )
+ ( actor * self->actorCount * self->inboxesPerActor ) + idx;
tr.set( self->keyForFeed( offset ), self->valueForUInt( feeds[idx] ) );
tr.set( self->keyForInbox( offset ), self->valueForUInt( inboxes[idx] ) );
}
wait( tr.commit() );
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break;
} catch(Error& e) {
wait( tr.onError(e) );
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}
}
return Void();
}
ACTOR Future<Void> createNodes( PubSubMultiplesWorkload *self, Database cx ) {
state PubSub ps(cx);
vector<Future<Void>> actors;
for(int i=0; i<self->actorCount; i++)
actors.push_back( self->createNodeSwath( self, i, cx->clone() ) );
wait( waitForAll( actors ) );
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TraceEvent("PSMNodesCreated").detail("ClientIdx", self->clientId);
return Void();
}
/*ACTOR*/ Future<Void> createSubscriptions( PubSubMultiplesWorkload *self, int actor, Database cx ) {
// create the "multiples" subscriptions for each owned inbox
return Void();
}
/*ACTOR*/ Future<Void> messageSender( PubSubMultiplesWorkload *self, Database cx ) {
// use a possion loop and post messages to feeds
return Void();
}
ACTOR Future<Void> startTests( PubSubMultiplesWorkload *self, Database cx ) {
vector<Future<Void>> subscribers;
for(int i=0; i<self->actorCount; i++)
subscribers.push_back( self->createSubscriptions( self, i, cx ) );
wait( waitForAll( subscribers ) );
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state Future<Void> sender = self->messageSender( self, cx );
return Void();
}
};
WorkloadFactory<PubSubMultiplesWorkload> PubSubMultiplesWorkloadFactory("PubSubMultiples");