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MCOL-5044 This patch introduces current active jobs estimate counter and replaces some attributes with atomics

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This commit is contained in:
Roman Nozdrin
2022-06-08 16:58:50 +00:00
parent fd8ba33f21
commit 2d2a6223f5
2 changed files with 43 additions and 24 deletions
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10
utils/threadpool/fair_threadpool.h
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@ -102,6 +102,11 @@ class FairThreadPool
{
return weightedTxnsQueue_.size();
}
// This method enables a pool current workload estimate.
size_t jobsRunning() const
{
return jobsRunning_.load(std::memory_order_relaxed);
}
protected:
private:
@ -126,12 +131,10 @@ class FairThreadPool
void threadFcn(const PriorityThreadPool::Priority preferredQueue);
void sendErrorMsg(uint32_t id, uint32_t step, primitiveprocessor::SP_UM_IOSOCK sock);
uint32_t threadCounts;
uint32_t defaultThreadCounts;
std::mutex mutex;
std::condition_variable newJob;
boost::thread_group threads;
bool _stop;
uint32_t weightPerRun;
volatile uint id; // prevent it from being optimized out
@ -154,6 +157,9 @@ class FairThreadPool
using Txn2ThreadPoolJobsListMap = std::unordered_map<TransactionIdxT, ThreadPoolJobsList*>;
Txn2ThreadPoolJobsListMap txn2JobsListMap_;
WeightedTxnPrioQueue weightedTxnsQueue_;
std::atomic<size_t> jobsRunning_{0};
std::atomic<size_t> threadCounts_{0};
std::atomic<bool> stop_{false};
};
} // namespace threadpool