diff --git a/alerting/src/main/kotlin/org/opensearch/alerting/transport/TransportDocLevelMonitorFanOutAction.kt b/alerting/src/main/kotlin/org/opensearch/alerting/transport/TransportDocLevelMonitorFanOutAction.kt
index 4f24fe2d1..bb0d694ca 100644
--- a/alerting/src/main/kotlin/org/opensearch/alerting/transport/TransportDocLevelMonitorFanOutAction.kt
+++ b/alerting/src/main/kotlin/org/opensearch/alerting/transport/TransportDocLevelMonitorFanOutAction.kt
@@ -51,6 +51,7 @@ import org.opensearch.alerting.settings.AlertingSettings.Companion.MAX_ACTIONABL
 import org.opensearch.alerting.settings.AlertingSettings.Companion.PERCOLATE_QUERY_DOCS_SIZE_MEMORY_PERCENTAGE_LIMIT
 import org.opensearch.alerting.settings.AlertingSettings.Companion.PERCOLATE_QUERY_MAX_NUM_DOCS_IN_MEMORY
 import org.opensearch.alerting.settings.DestinationSettings
+import org.opensearch.alerting.util.MAX_SEARCH_SIZE
 import org.opensearch.alerting.util.defaultToPerExecutionAction
 import org.opensearch.alerting.util.destinationmigration.NotificationActionConfigs
 import org.opensearch.alerting.util.destinationmigration.NotificationApiUtils
@@ -823,6 +824,7 @@ class TransportDocLevelMonitorFanOutAction
             SearchRequest().indices(*queryIndices.toTypedArray()).preference(Preference.PRIMARY_FIRST.type())
         val searchSourceBuilder = SearchSourceBuilder()
         searchSourceBuilder.query(boolQueryBuilder)
+        searchSourceBuilder.size(MAX_SEARCH_SIZE)
         searchRequest.source(searchSourceBuilder)
         log.debug(
             "Monitor ${monitor.id}: " +
diff --git a/alerting/src/test/kotlin/org/opensearch/alerting/MonitorDataSourcesIT.kt b/alerting/src/test/kotlin/org/opensearch/alerting/MonitorDataSourcesIT.kt
index 1bef411bd..711cba7ac 100644
--- a/alerting/src/test/kotlin/org/opensearch/alerting/MonitorDataSourcesIT.kt
+++ b/alerting/src/test/kotlin/org/opensearch/alerting/MonitorDataSourcesIT.kt
@@ -412,8 +412,37 @@ class MonitorDataSourcesIT : AlertingSingleNodeTestCase() {
                 fields = listOf(),
                 queryFieldNames = listOf("alias.some.fff", "source.ip.v6.v1")
             )
+        val docQuery8 = DocLevelQuery(
+            query = "message:error",
+            name = "10",
+            fields = listOf()
+        )
+        val docQuery9 = DocLevelQuery(
+            query = "message:IAD",
+            name = "11",
+            fields = listOf()
+        )
+        val docQuery10 = DocLevelQuery(
+            query = "source.ip.v6.v1:[10000 TO 20000]",
+            name = "12",
+            fields = listOf()
+        )
+        val docQuery11 = DocLevelQuery(
+            query = "type.subtype:some",
+            name = "13",
+            fields = listOf()
+        )
+        val docQuery12 = DocLevelQuery(
+            query = "supertype.type:some",
+            name = "14",
+            fields = listOf()
+        )
         val docLevelInput = DocLevelMonitorInput(
-            "description", listOf(index), listOf(docQuery1, docQuery2, docQuery3, docQuery4, docQuery5, docQuery6, docQuery7)
+            "description", listOf(index),
+            listOf(
+                docQuery1, docQuery2, docQuery3, docQuery4, docQuery5, docQuery6, docQuery7,
+                docQuery8, docQuery9, docQuery10, docQuery11, docQuery12
+            )
         )
         val trigger = randomDocumentLevelTrigger(condition = ALWAYS_RUN)
         val customFindingsIndex = "custom_findings_index"
@@ -462,7 +491,7 @@ class MonitorDataSourcesIT : AlertingSingleNodeTestCase() {
         val findings = searchFindings(id, customFindingsIndex)
         assertEquals("Findings saved for test monitor", 1, findings.size)
         assertTrue("Findings saved for test monitor", findings[0].relatedDocIds.contains("1"))
-        assertEquals("Didn't match all 7 queries", 7, findings[0].docLevelQueries.size)
+        assertEquals("Didn't match all 12 queries", 12, findings[0].docLevelQueries.size)
     }
 
     fun `test percolate query failure when queryFieldNames has alias`() {