foundationdb/fdbserver/workloads/ConfigureDatabase.actor.cpp

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/*
* ConfigureDatabase.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 "fdbclient/ManagementAPI.h"
#include "workloads.h"
#include "fdbrpc/simulator.h"
// "ssd" is an alias to the preferred type which skews the random distribution toward it but that's okay.
static const char* storeTypes[] = { "ssd", "ssd-1", "ssd-2", "memory" };
static const char* redundancies[] = { "single", "double", "triple" };
struct ConfigureDatabaseWorkload : TestWorkload {
double testDuration;
int additionalDBs;
vector<Future<Void>> clients;
PerfIntCounter retries;
ConfigureDatabaseWorkload( WorkloadContext const& wcx )
: TestWorkload(wcx), retries("Retries")
{
testDuration = getOption( options, LiteralStringRef("testDuration"), 200.0 );
}
virtual std::string description() { return "DestroyDatabaseWorkload"; }
virtual Future<Void> setup( Database const& cx ) {
return _setup( cx, this );
}
virtual Future<Void> start( Database const& cx ) {
return _start( this, cx );
}
virtual Future<bool> check( Database const& cx ) {
return true;
}
virtual void getMetrics( vector<PerfMetric>& m ) {
m.push_back( retries.getMetric() );
}
static inline uint64_t valueToUInt64( const StringRef& v ) {
long long unsigned int x = 0;
sscanf( v.toString().c_str(), "%llx", &x );
return x;
}
static inline Standalone<StringRef> getDatabaseName( ConfigureDatabaseWorkload *self, int dbIndex ) {
return StringRef(format("DestroyDB%d", dbIndex));
}
ACTOR Future<Void> _setup( Database cx, ConfigureDatabaseWorkload *self ) {
state Future<Void> disabler = disableConnectionFailuresAfter(600, "ConfigureDatabaseSetup");
ConfigurationResult::Type _ = wait( changeConfig( cx, "single" ) );
return Void();
}
ACTOR Future<Void> _start( ConfigureDatabaseWorkload *self, Database cx ) {
if( self->clientId == 0 ) {
self->clients.push_back( timeout( self->singleDB( self, cx ), self->testDuration, Void() ) );
Void _ = wait( waitForAll( self->clients ) );
}
return Void();
}
static int randomRoleNumber() {
int i = g_random->randomInt(0,4);
return i ? i : -1;
}
ACTOR Future<Void> singleDB( ConfigureDatabaseWorkload *self, Database cx ) {
state Transaction tr;
state int i;
loop {
if(g_simulator.speedUpSimulation) {
return Void();
}
state int randomChoice = g_random->randomInt(0, 6);
if( randomChoice == 0 ) {
double waitDuration = 3.0 * g_random->random01();
//TraceEvent("ConfigureTestWaitAfter").detail("WaitDuration",waitDuration);
Void _ = wait( delay( waitDuration ) );
}
else if( randomChoice == 1 ) {
tr = Transaction( cx );
loop {
try {
tr.clear( normalKeys );
Void _ = wait( tr.commit() );
break;
} catch( Error &e ) {
Void _ = wait( tr.onError(e) );
}
}
}
else if( randomChoice == 2 ) {
state double loadDuration = g_random->random01() * 10.0;
state double startTime = now();
state int amtLoaded = 0;
loop {
if( now() - startTime > loadDuration )
break;
loop {
tr = Transaction( cx );
try {
for( i = 0; i < 10; i++ ) {
state Key randomKey( "ConfigureTest" + g_random->randomUniqueID().toString() );
Optional<Value> val = wait( tr.get( randomKey ) );
uint64_t nextVal = val.present() ? valueToUInt64( val.get() ) + 1 : 0;
tr.set( randomKey, format( "%016llx", nextVal ) );
}
Void _ = wait( tr.commit() );
amtLoaded += 10;
break;
}
catch( Error& e ) {
Void _ = wait( tr.onError( e ) );
++self->retries;
}
}
Void _ = wait( delay( 0.1 ) );
}
//TraceEvent("ConfigureTestLoadData").detail("LoadTime", now() - startTime).detail("AmountLoaded",amtLoaded);
}
else if( randomChoice == 3 ) {
//TraceEvent("ConfigureTestConfigureBegin").detail("newConfig", newConfig);
int redundancy = g_random->randomInt( 0, sizeof(redundancies)/sizeof(redundancies[0]));
std::string config = redundancies[redundancy];
if(config == "triple" && g_simulator.physicalDatacenters > 2) {
config = "three_data_hall";
}
if (g_random->random01() < 0.5) config += " logs=" + format("%d", randomRoleNumber());
if (g_random->random01() < 0.5) config += " proxies=" + format("%d", randomRoleNumber());
if (g_random->random01() < 0.5) config += " resolvers=" + format("%d", randomRoleNumber());
ConfigurationResult::Type _ = wait( changeConfig( cx, config ) );
//TraceEvent("ConfigureTestConfigureEnd").detail("newConfig", newConfig);
}
else if( randomChoice == 4 ) {
//TraceEvent("ConfigureTestQuorumBegin").detail("newQuorum", s);
auto ch = autoQuorumChange();
if (g_random->randomInt(0,2))
ch = nameQuorumChange( format("NewName%d", g_random->randomInt(0,100)), ch );
CoordinatorsResult::Type _ = wait( changeQuorum( cx, ch ) );
//TraceEvent("ConfigureTestConfigureEnd").detail("newQuorum", s);
}
else if ( randomChoice == 5) {
ConfigurationResult::Type _ = wait( changeConfig( cx, storeTypes[g_random->randomInt( 0, sizeof(storeTypes)/sizeof(storeTypes[0]))] ) );
}
else {
ASSERT(false);
}
}
}
};
WorkloadFactory<ConfigureDatabaseWorkload> DestroyDatabaseWorkloadFactory("ConfigureDatabase");