[GitHub] [skywalking] wu-sheng commented on a diff in pull request #9003: Enhance Deprecated MetricQuery(v1) getValues querying

[GitBox <gi...@apache.org>]

wu-sheng commented on code in PR #9003:
URL: https://github.com/apache/skywalking/pull/9003#discussion_r867330694


##########
oap-server/server-query-plugin/query-graphql-plugin/src/main/java/org/apache/skywalking/oap/query/graphql/resolver/MetricQuery.java:
##########
@@ -59,17 +64,28 @@ public IntValues getValues(final BatchMetricConditions metrics, final Duration d
             kv.setValue(query.readMetricsValue(condition, duration));
             values.addKVInt(kv);
         } else {
-            for (final String id : metrics.getIds()) {
-                KVInt kv = new KVInt();
-                kv.setId(id);
+            List<CompletableFuture> futureList = new ArrayList<>();
+            metrics.getIds().stream().forEach(id -> {
 
                 MetricsCondition condition = new MetricsCondition();
                 condition.setName(metrics.getName());
                 condition.setEntity(new MockEntity(id));
-
-                kv.setValue(query.readMetricsValue(condition, duration));
-                values.addKVInt(kv);
-            }
+                CompletableFuture future = CompletableFuture.supplyAsync(() -> {
+                    try {
+                        return query.readMetricsValue(condition, duration);
+                    } catch (IOException e) {
+                        log.error("query.readMetricsValue error", e);
+                    }
+                    return 0L;
+                }).thenAccept(value -> {
+                    KVInt kv = new KVInt();
+                    kv.setId(id);
+                    kv.setValue(value);
+                    values.addKVInt(kv);

Review Comment:
   I think adding `Collections.synchronizedList` wrapper should be enough.



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