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ThreadUtils thread count adjusted to limited value to avoid lockups #555

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ThreadUtils thread count adjusted to limited value to avoid lockups #555

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34b9107
ThreadUtils thread count adjusted to limited value to avoid lockups i…
Apr 17, 2025
3e5c4b9
Merge branch 'master' into threadutils-threadcount
c-schuler Apr 23, 2025
a26ddce
Merge branch 'master' of https://github.com/echicoine-icf/cqf-tooling…
May 5, 2025
e8f1ac9
-Dthreadutils.pool.count=8 now a possible argument
May 5, 2025
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12 changes: 9 additions & 3 deletions tooling/src/main/java/org/opencds/cqf/tooling/common/ThreadUtils.java
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Original file line number Diff line number Diff line change
Expand Up @@ -16,6 +16,8 @@ public class ThreadUtils {

private static List<ExecutorService> runningExecutors = new ArrayList<>();

private static final int threadPoolCount = Integer.getInteger("threadutils.pool.count", Runtime.getRuntime().availableProcessors());

/**
* Executes a list of tasks concurrently using a thread pool.
* <p>
Expand Down Expand Up @@ -62,11 +64,15 @@ public static void executeTasks(List<Callable<Void>> tasks, ExecutorService exec
}

public static void executeTasks(List<Callable<Void>> tasks) {
executeTasks(tasks, Executors.newCachedThreadPool());
ExecutorService executor = Executors.newFixedThreadPool(threadPoolCount);

executeTasks(tasks, executor);
}

public static void executeTasks(Queue<Callable<Void>> callables) {
executeTasks(new ArrayList<>(callables), Executors.newCachedThreadPool());
ExecutorService executor = Executors.newFixedThreadPool(threadPoolCount);

executeTasks(new ArrayList<>(callables), executor);
}

public static void shutdownRunningExecutors() {
Expand All @@ -77,7 +83,7 @@ public static void shutdownRunningExecutors() {
}
runningExecutors = new ArrayList<>();
}catch (Exception e){
//fail silently, shutting down anyways
//fail silently, shutting down anyway
}
}
}
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