Examples with NO_ELIGIBLE_NODE_TO_RUN_DETECTOR org.opensearch.ad.constant.CommonErrorMessages.NO_ELIGIBLE_NODE_TO_RUN_DETECTOR used on opensource projects

Example 1 with NO_ELIGIBLE_NODE_TO_RUN_DETECTOR

use of org.opensearch.ad.constant.CommonErrorMessages.NO_ELIGIBLE_NODE_TO_RUN_DETECTOR in project anomaly-detection by opensearch-project.

the class ADBatchTaskRunner method dispatchTask.

private void dispatchTask(ADTask adTask, ActionListener<DiscoveryNode> listener) {
    hashRing.getNodesWithSameLocalAdVersion(dataNodes -> {
        ADStatsRequest adStatsRequest = new ADStatsRequest(dataNodes);
        adStatsRequest.addAll(ImmutableSet.of(AD_EXECUTING_BATCH_TASK_COUNT.getName(), JVM_HEAP_USAGE.getName()));
        client.execute(ADStatsNodesAction.INSTANCE, adStatsRequest, ActionListener.wrap(adStatsResponse -> {
            List<ADStatsNodeResponse> candidateNodeResponse = adStatsResponse.getNodes().stream().filter(stat -> (long) stat.getStatsMap().get(JVM_HEAP_USAGE.getName()) < DEFAULT_JVM_HEAP_USAGE_THRESHOLD).collect(Collectors.toList());
            if (candidateNodeResponse.size() == 0) {
                StringBuilder errorMessageBuilder = new StringBuilder("All nodes' memory usage exceeds limitation ").append(DEFAULT_JVM_HEAP_USAGE_THRESHOLD).append("%. ").append(NO_ELIGIBLE_NODE_TO_RUN_DETECTOR).append(adTask.getDetectorId());
                String errorMessage = errorMessageBuilder.toString();
                logger.warn(errorMessage + ", task id " + adTask.getTaskId() + ", " + adTask.getTaskType());
                listener.onFailure(new LimitExceededException(adTask.getDetectorId(), errorMessage));
                return;
            }
            candidateNodeResponse = candidateNodeResponse.stream().filter(stat -> (Long) stat.getStatsMap().get(AD_EXECUTING_BATCH_TASK_COUNT.getName()) < maxAdBatchTaskPerNode).collect(Collectors.toList());
            if (candidateNodeResponse.size() == 0) {
                StringBuilder errorMessageBuilder = new StringBuilder("All nodes' executing batch tasks exceeds limitation ").append(NO_ELIGIBLE_NODE_TO_RUN_DETECTOR).append(adTask.getDetectorId());
                String errorMessage = errorMessageBuilder.toString();
                logger.warn(errorMessage + ", task id " + adTask.getTaskId() + ", " + adTask.getTaskType());
                listener.onFailure(new LimitExceededException(adTask.getDetectorId(), errorMessage));
                return;
            }
            Optional<ADStatsNodeResponse> targetNode = candidateNodeResponse.stream().sorted((ADStatsNodeResponse r1, ADStatsNodeResponse r2) -> {
                int result = ((Long) r1.getStatsMap().get(AD_EXECUTING_BATCH_TASK_COUNT.getName())).compareTo((Long) r2.getStatsMap().get(AD_EXECUTING_BATCH_TASK_COUNT.getName()));
                if (result == 0) {
                    // JVM heap usage.
                    return ((Long) r1.getStatsMap().get(JVM_HEAP_USAGE.getName())).compareTo((Long) r2.getStatsMap().get(JVM_HEAP_USAGE.getName()));
                }
                return result;
            }).findFirst();
            listener.onResponse(targetNode.get().getNode());
        }, exception -> {
            logger.error("Failed to get node's task stats", exception);
            listener.onFailure(exception);
        }));
    }, listener);
}