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Relax commit latency requirement for LowLatency workload

This commit is contained in:
sfc-gh-tclinkenbeard 2020-07-12 20:01:43 -07:00
parent e6c8cc0eff
commit d0189ad0d4
2 changed files with 15 additions and 8 deletions
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18
fdbserver/workloads/LowLatency.actor.cpp
View File

@ -28,7 +28,8 @@
struct LowLatencyWorkload : TestWorkload {
double testDuration;
double maxLatency;
double maxGRVLatency;
double maxCommitLatency;
double checkDelay;
PerfIntCounter operations, retries;
bool testWrites;
@ -39,7 +40,8 @@ struct LowLatencyWorkload : TestWorkload {
: TestWorkload(wcx), operations("Operations"), retries("Retries") , ok(true)
{
testDuration = getOption( options, LiteralStringRef("testDuration"), 600.0 );
maxLatency = getOption( options, LiteralStringRef("maxLatency"), 20.0 );
maxGRVLatency = getOption(options, LiteralStringRef("maxGRVLatency"), 20.0);
maxCommitLatency = getOption(options, LiteralStringRef("maxCommitLatency"), 30.0);
checkDelay = getOption( options, LiteralStringRef("checkDelay"), 1.0 );
testWrites = getOption(options, LiteralStringRef("testWrites"), true);
testKey = getOption(options, LiteralStringRef("testKey"), LiteralStringRef("testKey"));
@ -64,13 +66,14 @@ struct LowLatencyWorkload : TestWorkload {
wait( delay( self->checkDelay ) );
state Transaction tr( cx );
state double operationStart = now();
state bool doCommit = self->testWrites && deterministicRandom()->coinflip();
state double maxLatency = doCommit ? self->maxCommitLatency : self->maxGRVLatency;
++self->operations;
loop {
try {
tr.setOption(FDBTransactionOptions::PRIORITY_SYSTEM_IMMEDIATE);
tr.setOption(FDBTransactionOptions::LOCK_AWARE);
bool doSet = self->testWrites && deterministicRandom()->coinflip();
if (doSet) {
if (doCommit) {
tr.set(self->testKey, LiteralStringRef(""));
wait(tr.commit());
} else {
@ -82,8 +85,11 @@ struct LowLatencyWorkload : TestWorkload {
++self->retries;
}
}
if(now() - operationStart > self->maxLatency) {
TraceEvent(SevError, "LatencyTooLarge").detail("MaxLatency", self->maxLatency).detail("ObservedLatency", now() - operationStart);
if (now() - operationStart > maxLatency) {
TraceEvent(SevError, "LatencyTooLarge")
.detail("MaxLatency", maxLatency)
.detail("ObservedLatency", now() - operationStart)
.detail("IsCommit", doCommit);
self->ok = false;
}
if( now() - testStart > self->testDuration )

3
tests/slow/LowLatencyWithFailures.txt
View File

@ -6,7 +6,8 @@ testTitle=Clogged
testName=LowLatency
testDuration=300.0
maxLatency=50.0
maxGRVLatency=50.0
testWrites=false
testName=Attrition
machinesToKill=1