import java.util.Map;
import java.util.concurrent.BlockingQueue;
import java.util.concurrent.TimeUnit;
+import java.util.concurrent.atomic.AtomicInteger;
+import lombok.Getter;
import lombok.RequiredArgsConstructor;
import lombok.extern.slf4j.Slf4j;
import org.onap.cps.ncmp.api.impl.yangmodels.YangModelCmHandle;
+import org.onap.cps.ncmp.api.inventory.sync.executor.AsyncTaskExecutor;
import org.onap.cps.spi.model.DataNode;
import org.springframework.scheduling.annotation.Scheduled;
-import org.springframework.stereotype.Component;
+import org.springframework.stereotype.Service;
@Slf4j
@RequiredArgsConstructor
-@Component
+@Service
public class ModuleSyncWatchdog {
private final SyncUtils syncUtils;
private final BlockingQueue<DataNode> moduleSyncWorkQueue;
private final Map<String, Object> moduleSyncStartedOnCmHandles;
private final ModuleSyncTasks moduleSyncTasks;
-
+ private final AsyncTaskExecutor asyncTaskExecutor;
private static final int MODULE_SYNC_BATCH_SIZE = 100;
private static final long PREVENT_CPU_BURN_WAIT_TIME_MILLIS = 10;
private static final String VALUE_FOR_HAZELCAST_IN_PROGRESS_MAP = "Started";
+ private static final long ASYNC_TASK_TIMEOUT_IN_MILLISECONDS = TimeUnit.MINUTES.toMillis(5);
+ @Getter
+ private AtomicInteger batchCounter = new AtomicInteger(1);
/**
- * Execute Cm Handle poll which changes the cm handle state from 'ADVISED' to 'READY'.
+ * Check DB for any cm handles in 'ADVISED' state.
+ * Queue and create batches to process them asynchronously.
+ * This method will only finish when there are no more 'ADVISED' cm handles in the DB.
+ * This method wil be triggered on a configurable interval
*/
- @Scheduled(fixedDelayString = "${timers.advised-modules-sync.sleep-time-ms:5000}")
+ @Scheduled(fixedDelayString = "${ncmp.timers.advised-modules-sync.sleep-time-ms:5000}")
public void moduleSyncAdvisedCmHandles() {
+ log.info("Processing module sync watchdog waking up.");
populateWorkQueueIfNeeded();
+ final int asyncTaskParallelismLevel = asyncTaskExecutor.getAsyncTaskParallelismLevel();
while (!moduleSyncWorkQueue.isEmpty()) {
- final Collection<DataNode> nextBatch = prepareNextBatch();
- moduleSyncTasks.performModuleSync(nextBatch);
- preventBusyWait();
+ if (batchCounter.get() <= asyncTaskParallelismLevel) {
+ final Collection<DataNode> nextBatch = prepareNextBatch();
+ log.debug("Processing module sync batch of {}. {} batch(es) active.",
+ nextBatch.size(), batchCounter.get());
+ asyncTaskExecutor.executeTask(() ->
+ moduleSyncTasks.performModuleSync(nextBatch, batchCounter),
+ ASYNC_TASK_TIMEOUT_IN_MILLISECONDS
+ );
+ batchCounter.getAndIncrement();
+ } else {
+ preventBusyWait();
+ }
}
}
/**
* Find any failed (locked) cm handles and change state back to 'ADVISED'.
*/
- @Scheduled(fixedDelayString = "${timers.locked-modules-sync.sleep-time-ms:300000}")
+ @Scheduled(fixedDelayString = "${ncmp.timers.locked-modules-sync.sleep-time-ms:300000}")
public void resetPreviouslyFailedCmHandles() {
+ log.info("Processing module sync retry-watchdog waking up.");
final List<YangModelCmHandle> failedCmHandles = syncUtils.getModuleSyncFailedCmHandles();
moduleSyncTasks.resetFailedCmHandles(failedCmHandles);
}
private void preventBusyWait() {
- // This method isn't really needed until CPS-1200 Performance Improvement: Watchdog Parallel execution
- // but leaving here to minimize impacts on this class for that Jira
try {
TimeUnit.MILLISECONDS.sleep(PREVENT_CPU_BURN_WAIT_TIME_MILLIS);
} catch (final InterruptedException e) {
private void populateWorkQueueIfNeeded() {
if (moduleSyncWorkQueue.isEmpty()) {
final List<DataNode> advisedCmHandles = syncUtils.getAdvisedCmHandles();
+ log.info("Processing module sync fetched {} advised cm handles from DB", advisedCmHandles.size());
for (final DataNode advisedCmHandle : advisedCmHandles) {
if (!moduleSyncWorkQueue.offer(advisedCmHandle)) {
log.warn("Unable to add cm handle {} to the work queue", advisedCmHandle.getLeaves().get("id"));