Refactor exponential backoff sleep duration in concurrency handling for improved accuracy

cpp/src/Private/sweepstore/concurrency.cpp

@@ -67,7 +67,7 @@ void SweepstoreConcurrency::spawnTicket(std::string filePath,
         int count = expSleepTracker[label]; // defaults to 0 if not found
         int sleepTime = (1 << count); // Exponential backoff
         sleepTime = std::max(1, std::min(sleepTime, 1000)); // Clamp between 1ms and 1000ms
-        preciseSleep(std::chrono::microseconds(sleepTime * 5000));
+        preciseSleep(std::chrono::milliseconds(sleepTime));
         expSleepTracker[label] = count + 1;
     };