| 336 | } |
| 337 | |
| 338 | void ExecutorTaskScheduler::scheduleNewTasksIfAny( |
| 339 | const std::shared_ptr<Task>& task, |
| 340 | bool terminateFinished, |
| 341 | bool doSchedule) { |
| 342 | auto erasedCount = tasksIds_.wlock()->erase(task->taskId()); |
| 343 | if (!erasedCount) { |
| 344 | return; |
| 345 | } |
| 346 | |
| 347 | MemoryUsageStats memoryUsage; |
| 348 | // collect task stats unlocked |
| 349 | SimplifiedTaskStats stats; |
| 350 | if (terminateFinished) { |
| 351 | // get memory usage |
| 352 | if (memory::sparksql::ExecutionMemoryPool::inited()) { |
| 353 | memoryUsage.rssBytes = memory::MemoryUtils::getProcessRss(); |
| 354 | memoryUsage.vssBytes = |
| 355 | memory::sparksql::ExecutionMemoryPool::instance()->memoryUsed(); |
| 356 | VLOG(1) << __FUNCTION__ << ": memoryUsage.rssBytes = " |
| 357 | << succinctBytes(memoryUsage.rssBytes) |
| 358 | << ", memoryUsage.vssBytes = " |
| 359 | << succinctBytes(memoryUsage.vssBytes); |
| 360 | } |
| 361 | const auto& tasks = (*allTasks_.wlock())[task->taskId()]; |
| 362 | BOLT_CHECK( |
| 363 | tasks.size() >= 1, |
| 364 | "number tasks {} should >= 1, taskId {}", |
| 365 | tasks.size(), |
| 366 | task->taskId()); |
| 367 | for (const auto& savedTask : tasks) { |
| 368 | auto temp = savedTask.lock(); |
| 369 | BOLT_CHECK( |
| 370 | temp, |
| 371 | "Task is destroyed, task id {}, tasks count {}", |
| 372 | task->taskId(), |
| 373 | tasks.size()); |
| 374 | collectTaskStatsUnlocked(temp->taskStatsImmutable(), stats); |
| 375 | } |
| 376 | BOLT_DCHECK(stats.peakMemoryBytes != 0 || stats.numSourceRows == 0); |
| 377 | } |
| 378 | // always erase taskId |
| 379 | allTasks_.wlock()->erase(task->taskId()); |
| 380 | |
| 381 | std::lock_guard<std::mutex> l(mutex_); |
| 382 | if ((state_ == SchedulerState::kSampling || |
| 383 | state_ == SchedulerState::kRevising) && |
| 384 | terminateFinished) { |
| 385 | auto stageId = extractStageId(task->taskId()); |
| 386 | trackingStageIds_.emplace(stageId); |
| 387 | // record task stats during kSampling phase |
| 388 | reportRuntimeStatsLocked(stats, memoryUsage); |
| 389 | |
| 390 | // recalculate concurrency if finished task count reaches |
| 391 | // numTrackingTaskThreshold_ |
| 392 | if (++numFinishedTask_ >= numTrackingTaskThreshold_) { |
| 393 | decideConcurrencyLocked(); |
| 394 | statsCollector_.clear(); |
| 395 | trackingStageIds_.clear(); |
no test coverage detected