Archives/Athou_commafeed
1
0
Fork 1
mirror of https://github.com/Athou/commafeed.git synced 2026-03-21 21:37:29 +00:00
Code Issues Packages Projects Releases Wiki Activity

add feed refresh engine metrics

Browse Source
This commit is contained in:
Athou
2023-05-26 15:20:17 +02:00
parent 0626e5cd7a
commit f10cfd7ad0
2 changed files with 27 additions and 6 deletions
Download Patch File Download Diff File Expand all files Collapse all files

13
commafeed-server/src/main/java/com/commafeed/backend/feed/FeedRefreshEngine.java
View File

@@ -18,6 +18,7 @@ import javax.inject.Singleton;
import org.apache.commons.lang3.time.DateUtils;
import org.hibernate.SessionFactory;
import com.codahale.metrics.Gauge;
import com.codahale.metrics.Meter;
import com.codahale.metrics.MetricRegistry;
import com.commafeed.CommaFeedConfiguration;
@@ -45,8 +46,8 @@ public class FeedRefreshEngine implements Managed {
private final ExecutorService feedProcessingLoopExecutor;
private final ExecutorService refillLoopExecutor;
private final ExecutorService refillExecutor;
private final ExecutorService workerExecutor;
private final ExecutorService databaseUpdaterExecutor;
private final ThreadPoolExecutor workerExecutor;
private final ThreadPoolExecutor databaseUpdaterExecutor;
@Inject
public FeedRefreshEngine(SessionFactory sessionFactory, FeedDAO feedDAO, FeedRefreshWorker worker, FeedRefreshUpdater updater,
@@ -65,6 +66,10 @@ public class FeedRefreshEngine implements Managed {
this.refillExecutor = newDiscardingSingleThreadExecutorService();
this.workerExecutor = newBlockingExecutorService(config.getApplicationSettings().getBackgroundThreads());
this.databaseUpdaterExecutor = newBlockingExecutorService(config.getApplicationSettings().getDatabaseUpdateThreads());
metrics.register(MetricRegistry.name(getClass(), "queue", "size"), (Gauge<Integer>) queue::size);
metrics.register(MetricRegistry.name(getClass(), "worker", "active"), (Gauge<Integer>) workerExecutor::getActiveCount);
metrics.register(MetricRegistry.name(getClass(), "updater", "active"), (Gauge<Integer>) databaseUpdaterExecutor::getActiveCount);
}
@Override
@@ -185,7 +190,7 @@ public class FeedRefreshEngine implements Managed {
/**
* returns an ExecutorService with a single thread that discards tasks if a task is already running
*/
private ExecutorService newDiscardingSingleThreadExecutorService() {
private ThreadPoolExecutor newDiscardingSingleThreadExecutorService() {
ThreadPoolExecutor pool = new ThreadPoolExecutor(1, 1, 0L, TimeUnit.MILLISECONDS, new SynchronousQueue<>());
pool.setRejectedExecutionHandler(new ThreadPoolExecutor.DiscardPolicy());
return pool;
@@ -194,7 +199,7 @@ public class FeedRefreshEngine implements Managed {
/**
* returns an ExecutorService that blocks submissions until a thread is available
*/
private ExecutorService newBlockingExecutorService(int threads) {
private ThreadPoolExecutor newBlockingExecutorService(int threads) {
ThreadPoolExecutor pool = new ThreadPoolExecutor(threads, threads, 0L, TimeUnit.MILLISECONDS, new SynchronousQueue<>());
pool.setRejectedExecutionHandler((r, e) -> {
if (e.isShutdown()) {