diff --git a/metricsaggregator/src/main/java/io/dockstore/metricsaggregator/MetricsAggregatorS3Client.java b/metricsaggregator/src/main/java/io/dockstore/metricsaggregator/MetricsAggregatorS3Client.java
index 92c5b479..f660de51 100644
--- a/metricsaggregator/src/main/java/io/dockstore/metricsaggregator/MetricsAggregatorS3Client.java
+++ b/metricsaggregator/src/main/java/io/dockstore/metricsaggregator/MetricsAggregatorS3Client.java
@@ -48,6 +48,9 @@ public class MetricsAggregatorS3Client {
 
     private static final Logger LOG = LoggerFactory.getLogger(MetricsAggregatorS3Client.class);
     private static final Gson GSON = new Gson();
+    private int numberOfDirectoriesProcessed = 0;
+    private int numberOfMetricsSubmitted = 0;
+    private int numberOfMetricsSkipped = 0;
 
     private final String bucketName;
 
@@ -67,60 +70,72 @@ public MetricsAggregatorS3Client(String bucketName, String s3EndpointOverride) t
     }
 
     public void aggregateMetrics(ExtendedGa4GhApi extendedGa4GhApi) {
+        LOG.info("Getting directories to process...");
         List<S3DirectoryInfo> metricsDirectories = getDirectories();
 
         if (metricsDirectories.isEmpty()) {
-            System.out.println("No directories found to aggregate metrics");
+            LOG.info("No directories found to aggregate metrics");
             return;
         }
 
-        System.out.println("Aggregating metrics...");
-        for (S3DirectoryInfo directoryInfo : metricsDirectories) {
-            String toolId = directoryInfo.toolId();
-            String versionName = directoryInfo.versionId();
-            List<String> platforms = directoryInfo.platforms();
-            String platformsString = String.join(", ", platforms);
-            String versionS3KeyPrefix = directoryInfo.versionS3KeyPrefix();
-
-            // Collect metrics for each platform, so we can calculate metrics across all platforms
-            List<Metrics> allMetrics = new ArrayList<>();
-            for (String platform : platforms) {
-                ExecutionsRequestBody allSubmissions;
-                try {
-                    allSubmissions = getExecutions(toolId, versionName, platform);
-                } catch (Exception e) {
-                    LOG.error("Error aggregating metrics: Could not get all executions from directory {}", versionS3KeyPrefix, e);
-                    continue; // Continue aggregating metrics for other directories
-                }
-
-                try {
-                    getAggregatedMetrics(allSubmissions).ifPresent(metrics -> {
-                        extendedGa4GhApi.aggregatedMetricsPut(metrics, platform, toolId, versionName);
-                        System.out.printf("Aggregated metrics for tool ID %s, version %s, platform %s from directory %s%n", toolId, versionName, platform, versionS3KeyPrefix);
-                        allMetrics.add(metrics);
-                    });
-                } catch (Exception e) {
-                    LOG.error("Error aggregating metrics: Could not put all executions from directory {}", versionS3KeyPrefix, e);
-                    // Continue aggregating metrics for other platforms
-                }
+        LOG.info("Aggregating metrics for {} directories", metricsDirectories.size());
+        metricsDirectories.stream()
+                .parallel()
+                .forEach(directoryInfo -> aggregateMetricsForDirectory(directoryInfo, extendedGa4GhApi));
+        LOG.info("Completed aggregating metrics. Processed {} directories, submitted {} metrics, and skipped {} metrics", numberOfDirectoriesProcessed, numberOfMetricsSubmitted, numberOfMetricsSkipped);
+    }
+
+    private void aggregateMetricsForDirectory(S3DirectoryInfo directoryInfo, ExtendedGa4GhApi extendedGa4GhApi) {
+        LOG.info("Processing directory {}", directoryInfo);
+        String toolId = directoryInfo.toolId();
+        String versionName = directoryInfo.versionId();
+        List<String> platforms = directoryInfo.platforms();
+        String platformsString = String.join(", ", platforms);
+        String versionS3KeyPrefix = directoryInfo.versionS3KeyPrefix();
+
+        // Collect metrics for each platform, so we can calculate metrics across all platforms
+        List<Metrics> allMetrics = new ArrayList<>();
+        for (String platform : platforms) {
+            ExecutionsRequestBody allSubmissions;
+            try {
+                allSubmissions = getExecutions(toolId, versionName, platform);
+            } catch (Exception e) {
+                LOG.error("Error aggregating metrics: Could not get all executions from directory {}", versionS3KeyPrefix, e);
+                ++numberOfMetricsSkipped;
+                continue; // Continue aggregating metrics for other directories
             }
 
-            if (!allMetrics.isEmpty()) {
-                // Calculate metrics across all platforms by aggregating the aggregated metrics from each platform
-                try {
-                    getAggregatedMetrics(new ExecutionsRequestBody().aggregatedExecutions(allMetrics)).ifPresent(metrics -> {
-                        extendedGa4GhApi.aggregatedMetricsPut(metrics, Partner.ALL.name(), toolId, versionName);
-                        System.out.printf("Aggregated metrics across all platforms (%s) for tool ID %s, version %s from directory %s%n",
-                                platformsString, toolId, versionName, versionS3KeyPrefix);
-                        allMetrics.add(metrics);
-                    });
-                } catch (Exception e) {
-                    LOG.error("Error aggregating metrics across all platforms ({}) for tool ID {}, version {} from directory {}", platformsString, toolId, versionName, versionS3KeyPrefix, e);
-                    // Continue aggregating metrics for other directories
-                }
+            try {
+                getAggregatedMetrics(allSubmissions).ifPresent(metrics -> {
+                    extendedGa4GhApi.aggregatedMetricsPut(metrics, platform, toolId, versionName);
+                    System.out.printf("Aggregated metrics for tool ID %s, version %s, platform %s from directory %s%n", toolId, versionName, platform, versionS3KeyPrefix);
+                    allMetrics.add(metrics);
+                });
+            } catch (Exception e) {
+                LOG.error("Error aggregating metrics: Could not put all executions from directory {}", versionS3KeyPrefix, e);
+                // Continue aggregating metrics for other platforms
+            }
+        }
+
+        if (!allMetrics.isEmpty()) {
+            // Calculate metrics across all platforms by aggregating the aggregated metrics from each platform
+            try {
+                getAggregatedMetrics(new ExecutionsRequestBody().aggregatedExecutions(allMetrics)).ifPresent(metrics -> {
+                    extendedGa4GhApi.aggregatedMetricsPut(metrics, Partner.ALL.name(), toolId, versionName);
+                    System.out.printf("Aggregated metrics across all platforms (%s) for tool ID %s, version %s from directory %s%n",
+                            platformsString, toolId, versionName, versionS3KeyPrefix);
+                    allMetrics.add(metrics);
+                });
+            } catch (Exception e) {
+                LOG.error("Error aggregating metrics across all platforms ({}) for tool ID {}, version {} from directory {}", platformsString, toolId, versionName, versionS3KeyPrefix, e);
+                // Continue aggregating metrics for other directories
             }
+            ++numberOfMetricsSubmitted;
+        } else {
+            ++numberOfMetricsSkipped;
         }
-        System.out.println("Completed aggregating metrics");
+        ++numberOfDirectoriesProcessed;
+        LOG.info("Processed {} directories", numberOfDirectoriesProcessed);
     }
 
     /**