diff --git a/pulsar-io/elastic-search/src/main/java/org/apache/pulsar/io/elasticsearch/ElasticSearchConfig.java b/pulsar-io/elastic-search/src/main/java/org/apache/pulsar/io/elasticsearch/ElasticSearchConfig.java
index 3e268499b6304..a8c7358bf9415 100644
--- a/pulsar-io/elastic-search/src/main/java/org/apache/pulsar/io/elasticsearch/ElasticSearchConfig.java
+++ b/pulsar-io/elastic-search/src/main/java/org/apache/pulsar/io/elasticsearch/ElasticSearchConfig.java
@@ -214,10 +214,10 @@ public class ElasticSearchConfig implements Serializable {
 
     @FieldDoc(
             required = false,
-            defaultValue = "5",
-            help = "Idle connection timeout to prevent a read timeout."
+            defaultValue = "30000",
+            help = "Idle connection timeout to prevent a connection timeout due to inactivity."
     )
-    private int connectionIdleTimeoutInMs = 5;
+    private int connectionIdleTimeoutInMs = 30000;
 
     @FieldDoc(
             required = false,
diff --git a/pulsar-io/elastic-search/src/main/java/org/apache/pulsar/io/elasticsearch/client/RestClient.java b/pulsar-io/elastic-search/src/main/java/org/apache/pulsar/io/elasticsearch/client/RestClient.java
index a81a229607b55..d22d42c532516 100644
--- a/pulsar-io/elastic-search/src/main/java/org/apache/pulsar/io/elasticsearch/client/RestClient.java
+++ b/pulsar-io/elastic-search/src/main/java/org/apache/pulsar/io/elasticsearch/client/RestClient.java
@@ -83,7 +83,6 @@ public RestClient(ElasticSearchConfig elasticSearchConfig, BulkProcessor.Listene
         // idle+expired connection evictor thread
         this.executorService = Executors.newSingleThreadScheduledExecutor();
         this.executorService.scheduleAtFixedRate(() -> {
-                    configCallback.connectionManager.closeExpiredConnections();
                     configCallback.connectionManager.closeIdleConnections(
                             config.getConnectionIdleTimeoutInMs(), TimeUnit.MILLISECONDS);
                 },
diff --git a/pulsar-io/elastic-search/src/test/java/org/apache/pulsar/io/elasticsearch/ElasticSearchConfigTests.java b/pulsar-io/elastic-search/src/test/java/org/apache/pulsar/io/elasticsearch/ElasticSearchConfigTests.java
index 7d85c027c48c2..85e30e766f030 100644
--- a/pulsar-io/elastic-search/src/test/java/org/apache/pulsar/io/elasticsearch/ElasticSearchConfigTests.java
+++ b/pulsar-io/elastic-search/src/test/java/org/apache/pulsar/io/elasticsearch/ElasticSearchConfigTests.java
@@ -92,7 +92,7 @@ public final void defaultValueTest() throws IOException {
         assertEquals(config.isCompressionEnabled(), false);
         assertEquals(config.getConnectTimeoutInMs(), 5000L);
         assertEquals(config.getConnectionRequestTimeoutInMs(), 1000L);
-        assertEquals(config.getConnectionIdleTimeoutInMs(), 5L);
+        assertEquals(config.getConnectionIdleTimeoutInMs(), 30000L);
         assertEquals(config.getSocketTimeoutInMs(), 60000);
 
         assertEquals(config.isStripNulls(), true);