Try<Nothing> QoSCorrectionObserver::_syncConsume(
const std::vector<Contentions> products) {
Contentions newContentions;
for (Contentions contentions : products)
for (Contention contention : contentions)
newContentions.push_back(contention);
this->currentContentions = newContentions;
this->currentContentions.get().sort(compareSeverity);
if (this->currentUsage.isSome()) {
this->correctAgent();
}
return Nothing();
}
Try<Nothing> TooHighCpuUsageDetector::consume(const ResourceUsage& in) {
Contentions product;
if (in.total_size() == 0) {
return Error(std::string(NAME) + " No total in ResourceUsage");
}
Resources totalAgentResources(in.total());
Option<double_t> totalAgentCpus = totalAgentResources.cpus();
if (totalAgentCpus.isNone()) {
return Error(std::string(NAME) + " No total cpus in ResourceUsage");
}
double_t agentSumValue = 0;
uint64_t beExecutors = 0;
for (const ResourceUsage_Executor& inExec : in.executors()) {
if (!inExec.has_executor_info()) {
SERENITY_LOG(ERROR) << "Executor <unknown>"
<< " does not include executor_info";
// Filter out these executors.
continue;
}
if (!inExec.has_statistics()) {
SERENITY_LOG(ERROR) << "Executor "
<< inExec.executor_info().executor_id().value()
<< " does not include statistics.";
// Filter out these executors.
continue;
}
Try<double_t> value = this->cpuUsageGetFunction(inExec);
if (value.isError()) {
SERENITY_LOG(ERROR) << value.error();
continue;
}
agentSumValue += value.get();
if (!Resources(inExec.allocated()).revocable().empty()) {
beExecutors++;
}
}
// Debug only
SERENITY_LOG(INFO) << "Sum = " << agentSumValue << " vs total = "
<< totalAgentCpus.get();
double_t lvl = agentSumValue / totalAgentCpus.get();
if (lvl > this->cfgUtilizationThreshold) {
if (beExecutors == 0) {
SERENITY_LOG(INFO) << "No BE tasks - only high host utilization";
} else {
SERENITY_LOG(INFO) << "Creating CPU contention, because of the value"
<< " above the threshold. " << agentSumValue << "/"
<< totalAgentCpus.get();
product.push_back(createContention(totalAgentCpus.get() - agentSumValue,
Contention_Type_CPU));
}
}
// Continue pipeline.
this->produce(product);
return Nothing();
}
