diff --git a/src/main/java/org/torproject/metrics/onionoo/updater/OnionperfStatusUpdater.java b/src/main/java/org/torproject/metrics/onionoo/updater/OnionperfStatusUpdater.java
index 1b4e266..2627d05 100644
--- a/src/main/java/org/torproject/metrics/onionoo/updater/OnionperfStatusUpdater.java
+++ b/src/main/java/org/torproject/metrics/onionoo/updater/OnionperfStatusUpdater.java
@@ -7,14 +7,15 @@
 import org.torproject.metrics.onionoo.docs.DocumentStore;
 import org.torproject.metrics.onionoo.docs.DocumentStoreFactory;
 import org.torproject.metrics.onionoo.docs.OnionperfStatus;
-import org.torproject.metrics.onionoo.docs.onionperf.*;
 import org.torproject.metrics.onionoo.onionperf.Measurement;
 import org.torproject.metrics.onionoo.onionperf.TorperfResultConverter;
 
 import java.time.LocalDateTime;
 import java.time.ZoneOffset;
 import java.util.ArrayList;
+import java.util.Collection;
 import java.util.List;
+import java.util.stream.Collectors;
 
 public class OnionperfStatusUpdater implements DescriptorListener, StatusUpdater {
 
@@ -56,18 +57,25 @@ private void processTorPerfResult(TorperfResult descriptor) {
 
     @Override
     public void updateStatuses() {
-        logger.info("Updating Onionperf statuses. Size: {}", measurements.size());
-//        OnionperfStatus status = new OnionperfStatus(measurements);
-//        documentStore.store(status);
-        documentStore.store(new CircuitDocument(measurements));
-        documentStore.store(new DownloadDocument(measurements));
-        documentStore.store(new FailureDocument(measurements));
-        documentStore.store(new LatencyDocument(measurements));
-        documentStore.store(new ThroughputDocument(measurements));
-        logger.info("Onionperf statuses updated.");
+        logger.info("Updating Onionperf new measurements size: {}", measurements.size());
+        OnionperfStatus statusOld = documentStore.retrieve(OnionperfStatus.class, true);
+        if (statusOld != null) {
+            logger.info("OnionperfStatus old measurements: {}", statusOld.getMeasurements().size());
+            Long threshold = LocalDateTime.now().atOffset(ZoneOffset.UTC).minusDays(2).toEpochSecond();
+            measurements.addAll(filter(statusOld.getMeasurements(), threshold));
+            logger.info("OnionperfStatus merged measurements size: {}", measurements.size());
+        }
+        OnionperfStatus status = new OnionperfStatus(measurements);
+        documentStore.store(status);
 
+        logger.info("Measurements clearing");
         measurements.clear();
-        logger.info("Measurements cleared.");
+    }
+
+    private Collection<? extends Measurement> filter(List<Measurement> measurements, Long threshold) {
+        return measurements.stream()
+                .filter(m -> m.getStart().toLocalDateTime().atZone(ZoneOffset.UTC).toEpochSecond() > threshold)
+                .collect(Collectors.toList());
     }
 
     @Override
diff --git a/src/main/java/org/torproject/metrics/onionoo/writer/OnionperfDocumentWriter.java b/src/main/java/org/torproject/metrics/onionoo/writer/OnionperfDocumentWriter.java
index 5d96ccb..66911d0 100644
--- a/src/main/java/org/torproject/metrics/onionoo/writer/OnionperfDocumentWriter.java
+++ b/src/main/java/org/torproject/metrics/onionoo/writer/OnionperfDocumentWriter.java
@@ -19,14 +19,15 @@ public OnionperfDocumentWriter() {
 
     @Override
     public void writeDocuments(long mostRecentStatusMillis) {
-//        logger.info("Writing onionperf documents time: {}", mostRecentStatusMillis);
-//        OnionperfStatus status = documentStore.retrieve(OnionperfStatus.class, true);
-//        logger.info("OnionperfStatus: {}", status.getMeasurements().size());
-//        documentStore.store(new CircuitDocument(status.getMeasurements()));
-//        documentStore.store(new DownloadDocument(status.getMeasurements()));
-//        documentStore.store(new FailureDocument(status.getMeasurements()));
-//        documentStore.store(new LatencyDocument(status.getMeasurements()));
-//        documentStore.store(new ThroughputDocument(status.getMeasurements()));
+        logger.info("Writing onionperf documents time: {}", mostRecentStatusMillis);
+        OnionperfStatus status = documentStore.retrieve(OnionperfStatus.class, true);
+        logger.info("OnionperfStatus: {}", status.getMeasurements().size());
+        documentStore.store(new CircuitDocument(status.getMeasurements()));
+        documentStore.store(new DownloadDocument(status.getMeasurements()));
+        documentStore.store(new FailureDocument(status.getMeasurements()));
+        documentStore.store(new LatencyDocument(status.getMeasurements()));
+        documentStore.store(new ThroughputDocument(status.getMeasurements()));
+        logger.info("Performance documents saved");
     }
 
     @Override