diff --git a/code/index/java/nu/marginalia/index/IndexGrpcService.java b/code/index/java/nu/marginalia/index/IndexGrpcService.java
index 4810d625..3eb2f5d7 100644
--- a/code/index/java/nu/marginalia/index/IndexGrpcService.java
+++ b/code/index/java/nu/marginalia/index/IndexGrpcService.java
@@ -9,7 +9,6 @@ import io.prometheus.client.Histogram;
 import it.unimi.dsi.fastutil.longs.LongArrayList;
 import lombok.SneakyThrows;
 import nu.marginalia.api.searchquery.*;
-import nu.marginalia.api.searchquery.model.compiled.CompiledQuery;
 import nu.marginalia.api.searchquery.model.compiled.CompiledQueryLong;
 import nu.marginalia.api.searchquery.model.compiled.CqDataInt;
 import nu.marginalia.api.searchquery.model.query.SearchSpecification;
@@ -335,6 +334,8 @@ public class IndexGrpcService extends IndexApiGrpc.IndexApiImplBase {
                     }
                 }
 
+                buffer.dispose();
+
                 if (!results.isEmpty()) {
                     enqueueResults(new CombinedDocIdList(results));
                 }
diff --git a/code/libraries/array/java/nu/marginalia/array/buffer/LongQueryBuffer.java b/code/libraries/array/java/nu/marginalia/array/buffer/LongQueryBuffer.java
index a0312d36..eaabb4a5 100644
--- a/code/libraries/array/java/nu/marginalia/array/buffer/LongQueryBuffer.java
+++ b/code/libraries/array/java/nu/marginalia/array/buffer/LongQueryBuffer.java
@@ -51,6 +51,11 @@ public class LongQueryBuffer {
         return copy;
     }
 
+    /** Dispose of the buffer and release resources */
+    public void dispose() {
+        data.close();
+    }
+
     public boolean isEmpty() {
         return end == 0;
     }