diff --git a/pulsar-io/elastic-search/src/main/java/org/apache/pulsar/io/elasticsearch/ElasticSearchClient.java b/pulsar-io/elastic-search/src/main/java/org/apache/pulsar/io/elasticsearch/ElasticSearchClient.java
index 25c06880e158e..a4cce0877c762 100644
--- a/pulsar-io/elastic-search/src/main/java/org/apache/pulsar/io/elasticsearch/ElasticSearchClient.java
+++ b/pulsar-io/elastic-search/src/main/java/org/apache/pulsar/io/elasticsearch/ElasticSearchClient.java
@@ -193,7 +193,6 @@ public void afterBulk(long l, BulkRequest bulkRequest, Throwable throwable) {
         // 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/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 44cdee9553a18..95ac9ffdc8e2c 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
@@ -196,10 +196,10 @@ 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/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 2270349ee8352..c675f3ace3429 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
@@ -86,7 +86,7 @@ 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);