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fix: Log HttpJson's async thread pool core size #2697

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Merged
merged 1 commit into from
Apr 30, 2024
Merged

fix: Log HttpJson's async thread pool core size #2697

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7 changes: 7 additions & 0 deletions gax-java/gax/src/main/java/com/google/api/gax/core/InstantiatingExecutorProvider.java
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Original file line number Diff line number Diff line change
Expand Up @@ -34,13 +34,18 @@
import java.util.concurrent.ScheduledThreadPoolExecutor;
import java.util.concurrent.ThreadFactory;
import java.util.concurrent.atomic.AtomicInteger;
import java.util.logging.Level;
import java.util.logging.Logger;

/**
* InstantiatingChannelProvider is an ExecutorProvider which constructs a new
* ScheduledExecutorService every time getExecutor() is called.
*/
@AutoValue
public abstract class InstantiatingExecutorProvider implements ExecutorProvider {
private static final Logger LOGGER =
Logger.getLogger(InstantiatingExecutorProvider.class.getName());

// Thread factory to use to create our worker threads
private static final ThreadFactory DEFAULT_THREAD_FACTORY =
new ThreadFactory() {
Expand Down Expand Up @@ -95,6 +100,8 @@ public static Builder newBuilder() {
public static Builder newIOBuilder() {
int numCpus = Runtime.getRuntime().availableProcessors();
int numThreads = IO_THREAD_MULTIPLIER * Math.max(MIN_THREAD_AMOUNT, numCpus);
LOGGER.log(
Level.CONFIG, String.format("Thread Pool for requests has Core Pool Size: %d", numThreads));

return new AutoValue_InstantiatingExecutorProvider.Builder()
.setExecutorThreadCount(numThreads)
Expand Down