From 00e3b05f557ab03ea20721586b0e4754ae6fa28a Mon Sep 17 00:00:00 2001
From: Caideyipi <87789683+Caideyipi@users.noreply.github.com>
Date: Wed, 14 Oct 2026 12:14:39 +0800
Subject: [PATCH] Fix flaky space quota result polling in cluster tests
 (#18850)

(cherry picked from commit 0a79a4925e9d9e1e1327c9ee3822c94a19c02905)
---
 .../org/apache/iotdb/db/it/quotas/IoTDBSpaceQuotaIT.java     | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/integration-test/src/test/java/org/apache/iotdb/db/it/quotas/IoTDBSpaceQuotaIT.java b/integration-test/src/test/java/org/apache/iotdb/db/it/quotas/IoTDBSpaceQuotaIT.java
index 8930985717f5d..cf953aa9e7c4c 100644
--- a/integration-test/src/test/java/org/apache/iotdb/db/it/quotas/IoTDBSpaceQuotaIT.java
+++ b/integration-test/src/test/java/org/apache/iotdb/db/it/quotas/IoTDBSpaceQuotaIT.java
@@ -25,6 +25,7 @@
 import org.apache.iotdb.it.framework.IoTDBTestRunner;
 import org.apache.iotdb.itbase.category.ClusterIT;
 import org.apache.iotdb.itbase.category.LocalStandaloneIT;
+import org.apache.iotdb.itbase.exception.InconsistentDataException;
 
 import org.awaitility.Awaitility;
 import org.junit.After;
@@ -515,6 +516,10 @@ private void validateResultSetEventually(Statement statement, String sql, String
         .pollDelay(0, TimeUnit.MILLISECONDS)
         .pollInterval(1, TimeUnit.SECONDS)
         .atMost(30, TimeUnit.SECONDS)
+        // Cluster queries compare results from all DataNodes. Space quota usage is refreshed
+        // asynchronously by heartbeats, so the comparison can observe different snapshots while
+        // the usage converges. Awaitility does not retry runtime exceptions by default.
+        .ignoreExceptionsMatching(e -> e instanceof InconsistentDataException)
         .untilAsserted(
             () -> {
               try {