foundationdb/fdbserver/workloads/DDMetrics.actor.cpp

87 lines
2.8 KiB
C++

/*
* DDMetrics.actor.cpp
*
* This source file is part of the FoundationDB open source project
*
* Copyright 2013-2018 Apple Inc. and the FoundationDB project authors
*
* 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
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* 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 "flow/actorcompiler.h"
#include "fdbclient/NativeAPI.h"
#include "fdbserver/TesterInterface.h"
#include "fdbserver/Status.h"
#include "fdbserver/QuietDatabase.h"
#include "fdbserver/ServerDBInfo.h"
#include "workloads.h"
struct DDMetricsWorkload : TestWorkload {
double startDelay, ddDone;
DDMetricsWorkload(WorkloadContext const& wcx)
: TestWorkload(wcx), ddDone( 0.0 )
{
startDelay = getOption( options, LiteralStringRef("beginPoll"), 10.0 );
}
virtual std::string description() { return "Data Distribution Metrics"; }
ACTOR Future<int> getHighPriorityRelocationsInFlight( Database cx, DDMetricsWorkload *self ) {
WorkerInterface masterWorker = wait(getMasterWorker(cx, self->dbInfo));
TraceEvent("getHighPriorityReliocationsInFlight").detail("Database", printable(cx->dbName)).detail("Stage", "ContactingMaster");
Standalone<StringRef> md = wait( timeoutError(masterWorker.eventLogRequest.getReply(
EventLogRequest( StringRef( cx->dbName.toString() + "/MovingData" ) ) ), 1.0 ) );
int relocations;
sscanf(extractAttribute(md.toString(), "HighPriorityRelocations").c_str(), "%d", &relocations);
return relocations;
}
ACTOR Future<Void> work( Database cx, DDMetricsWorkload *self ) {
try {
TraceEvent("DDMetricsWaiting").detail("startDelay", self->startDelay);
Void _ = wait( delay( self->startDelay ) );
TraceEvent("DDMetricsStarting");
state double startTime = now();
loop {
Void _ = wait( delay( 2.5 ) );
int dif = wait( self->getHighPriorityRelocationsInFlight( cx, self ) );
TraceEvent("DDMetricsCheck").detail("DIF", dif);
if( dif == 0 ) {
self->ddDone = now() - startTime;
return Void();
}
}
} catch( Error& e ) {
TraceEvent("DDMetricsError").error(e);
}
return Void();
}
virtual Future<Void> start( Database const& cx ) {
return clientId == 0 ? work( cx, this ) : Void();
}
virtual Future<bool> check( Database const& cx ) {
return true;
}
virtual void getMetrics( vector<PerfMetric>& m ) {
m.push_back( PerfMetric( "DDDuration", ddDone, false ) );
}
};
WorkloadFactory<DDMetricsWorkload> DDMetricsWorkloadFactory("DDMetrics");