diff --git a/alerting/src/main/kotlin/org/opensearch/alerting/InputService.kt b/alerting/src/main/kotlin/org/opensearch/alerting/InputService.kt
index 769d867c8..54ca5fed3 100644
--- a/alerting/src/main/kotlin/org/opensearch/alerting/InputService.kt
+++ b/alerting/src/main/kotlin/org/opensearch/alerting/InputService.kt
@@ -19,6 +19,7 @@ import org.opensearch.alerting.util.IndexUtils
 import org.opensearch.alerting.util.addUserBackendRolesFilter
 import org.opensearch.alerting.util.clusterMetricsMonitorHelpers.executeTransportAction
 import org.opensearch.alerting.util.clusterMetricsMonitorHelpers.toMap
+import org.opensearch.alerting.util.getCancelAfterTimeInterval
 import org.opensearch.alerting.util.getRoleFilterEnabled
 import org.opensearch.client.Client
 import org.opensearch.cluster.metadata.IndexNameExpressionResolver
@@ -26,6 +27,7 @@ import org.opensearch.cluster.routing.Preference
 import org.opensearch.cluster.service.ClusterService
 import org.opensearch.common.io.stream.BytesStreamOutput
 import org.opensearch.common.settings.Settings
+import org.opensearch.common.unit.TimeValue
 import org.opensearch.common.xcontent.LoggingDeprecationHandler
 import org.opensearch.common.xcontent.XContentType
 import org.opensearch.commons.alerting.model.ClusterMetricsInput
@@ -185,6 +187,11 @@ class InputService(
                 searchRequest.source(SearchSourceBuilder.fromXContent(it))
             }
 
+            val cancelTimeout = getCancelAfterTimeInterval()
+            if (cancelTimeout != -1L) {
+                searchRequest.cancelAfterTimeInterval = TimeValue.timeValueMinutes(cancelTimeout)
+            }
+
             // Add user role filter for AD result
             client.threadPool().threadContext.stashContext().use {
                 // Possible long term solution:
@@ -268,6 +275,11 @@ class InputService(
             searchRequest.source(SearchSourceBuilder.fromXContent(it))
         }
 
+        val cancelTimeout = getCancelAfterTimeInterval()
+        if (cancelTimeout != -1L) {
+            searchRequest.cancelAfterTimeInterval = TimeValue.timeValueMinutes(cancelTimeout)
+        }
+
         return searchRequest
     }
 
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 30d61cc27..fc2403db7 100644
--- a/alerting/src/main/kotlin/org/opensearch/alerting/transport/TransportDocLevelMonitorFanOutAction.kt
+++ b/alerting/src/main/kotlin/org/opensearch/alerting/transport/TransportDocLevelMonitorFanOutAction.kt
@@ -59,6 +59,7 @@ import org.opensearch.alerting.util.destinationmigration.getTitle
 import org.opensearch.alerting.util.destinationmigration.publishLegacyNotification
 import org.opensearch.alerting.util.destinationmigration.sendNotification
 import org.opensearch.alerting.util.getActionExecutionPolicy
+import org.opensearch.alerting.util.getCancelAfterTimeInterval
 import org.opensearch.alerting.util.isAllowed
 import org.opensearch.alerting.util.isTestAction
 import org.opensearch.alerting.util.parseSampleDocTags
@@ -69,6 +70,7 @@ import org.opensearch.cluster.routing.Preference
 import org.opensearch.cluster.service.ClusterService
 import org.opensearch.common.inject.Inject
 import org.opensearch.common.settings.Settings
+import org.opensearch.common.unit.TimeValue
 import org.opensearch.common.xcontent.XContentFactory
 import org.opensearch.common.xcontent.XContentType
 import org.opensearch.commons.alerting.AlertingPluginInterface
@@ -969,6 +971,11 @@ class TransportDocLevelMonitorFanOutAction
                     .query(boolQueryBuilder)
             )
 
+        val cancelTimeout = getCancelAfterTimeInterval()
+        if (cancelTimeout != -1L) {
+            request.cancelAfterTimeInterval = TimeValue.timeValueMinutes(cancelTimeout)
+        }
+
         val response: SearchResponse = client.suspendUntil { client.search(request, it) }
         if (response.status() !== RestStatus.OK) {
             throw IOException(
@@ -1013,6 +1020,10 @@ class TransportDocLevelMonitorFanOutAction
         val searchSourceBuilder = SearchSourceBuilder()
         searchSourceBuilder.query(boolQueryBuilder)
         searchRequest.source(searchSourceBuilder)
+        val cancelTimeout = getCancelAfterTimeInterval()
+        if (cancelTimeout != -1L) {
+            searchRequest.cancelAfterTimeInterval = TimeValue.timeValueMinutes(cancelTimeout)
+        }
         log.debug(
             "Monitor ${monitor.id}: " +
                 "Executing percolate query for docs from source indices " +
@@ -1092,6 +1103,11 @@ class TransportDocLevelMonitorFanOutAction
                     .size(docLevelMonitorShardFetchSize)
             )
 
+        val cancelTimeout = getCancelAfterTimeInterval()
+        if (cancelTimeout != -1L) {
+            request.cancelAfterTimeInterval = TimeValue.timeValueMinutes(cancelTimeout)
+        }
+
         if (fieldsToFetch.isNotEmpty() && fetchOnlyQueryFieldNames) {
             request.source().fetchSource(false)
             for (field in fieldsToFetch) {
diff --git a/alerting/src/test/kotlin/org/opensearch/alerting/util/AlertingUtilsTests.kt b/alerting/src/test/kotlin/org/opensearch/alerting/util/AlertingUtilsTests.kt
index 31dcb6591..ba1ae85b1 100644
--- a/alerting/src/test/kotlin/org/opensearch/alerting/util/AlertingUtilsTests.kt
+++ b/alerting/src/test/kotlin/org/opensearch/alerting/util/AlertingUtilsTests.kt
@@ -5,6 +5,8 @@
 
 package org.opensearch.alerting.util
 
+import org.opensearch.alerting.AlertService
+import org.opensearch.alerting.MonitorRunnerService
 import org.opensearch.alerting.model.AlertContext
 import org.opensearch.alerting.randomAction
 import org.opensearch.alerting.randomBucketLevelTrigger
@@ -14,6 +16,7 @@ import org.opensearch.alerting.randomQueryLevelTrigger
 import org.opensearch.alerting.randomTemplateScript
 import org.opensearch.alerting.script.BucketLevelTriggerExecutionContext
 import org.opensearch.alerting.script.DocumentLevelTriggerExecutionContext
+import org.opensearch.common.unit.TimeValue
 import org.opensearch.test.OpenSearchTestCase
 
 class AlertingUtilsTests : OpenSearchTestCase() {
@@ -176,4 +179,35 @@ class AlertingUtilsTests : OpenSearchTestCase() {
 
         triggers.forEach { trigger -> assertFalse(printsSampleDocData(trigger)) }
     }
+
+    fun `test getCancelAfterTimeInterval returns -1 when setting is default`() {
+        val original = MonitorRunnerService.monitorCtx.cancelAfterTimeInterval
+        try {
+            MonitorRunnerService.monitorCtx.cancelAfterTimeInterval = TimeValue.timeValueMinutes(-1)
+            assertEquals(-1L, getCancelAfterTimeInterval())
+        } finally {
+            MonitorRunnerService.monitorCtx.cancelAfterTimeInterval = original
+        }
+    }
+
+    fun `test getCancelAfterTimeInterval returns at least ALERTS_SEARCH_TIMEOUT`() {
+        val original = MonitorRunnerService.monitorCtx.cancelAfterTimeInterval
+        try {
+            // Setting lower than ALERTS_SEARCH_TIMEOUT (5 min) should return 5 min
+            MonitorRunnerService.monitorCtx.cancelAfterTimeInterval = TimeValue.timeValueMinutes(1)
+            assertEquals(AlertService.ALERTS_SEARCH_TIMEOUT.minutes, getCancelAfterTimeInterval())
+        } finally {
+            MonitorRunnerService.monitorCtx.cancelAfterTimeInterval = original
+        }
+    }
+
+    fun `test getCancelAfterTimeInterval returns setting when higher than ALERTS_SEARCH_TIMEOUT`() {
+        val original = MonitorRunnerService.monitorCtx.cancelAfterTimeInterval
+        try {
+            MonitorRunnerService.monitorCtx.cancelAfterTimeInterval = TimeValue.timeValueMinutes(10)
+            assertEquals(10L, getCancelAfterTimeInterval())
+        } finally {
+            MonitorRunnerService.monitorCtx.cancelAfterTimeInterval = original
+        }
+    }
 }