From a344ee4d05d19d4786a7a4d5d5062adcc080a8c0 Mon Sep 17 00:00:00 2001
From: Adam Tapp <adatapp@amazon.com>
Date: Wed, 30 Mar 2022 16:14:11 -0500
Subject: [PATCH] Added metric to record when a lease cannot be taken due to a
 ConditionalCheckFailedException

---
 .../amazon/kinesis/leases/dynamodb/DynamoDBLeaseTaker.java       | 1 +
 1 file changed, 1 insertion(+)

diff --git a/amazon-kinesis-client/src/main/java/software/amazon/kinesis/leases/dynamodb/DynamoDBLeaseTaker.java b/amazon-kinesis-client/src/main/java/software/amazon/kinesis/leases/dynamodb/DynamoDBLeaseTaker.java
index 365b1cbaf..a90ef56e0 100644
--- a/amazon-kinesis-client/src/main/java/software/amazon/kinesis/leases/dynamodb/DynamoDBLeaseTaker.java
+++ b/amazon-kinesis-client/src/main/java/software/amazon/kinesis/leases/dynamodb/DynamoDBLeaseTaker.java
@@ -236,6 +236,7 @@ synchronized Map<String, Lease> takeLeases(Callable<Long> timeProvider)
             }
 
             scope.addData("TakenLeases", takenLeases.size(), StandardUnit.COUNT, MetricsLevel.SUMMARY);
+            scope.addData("UntakenLeases", untakenLeaseKeys.size(), StandardUnit.COUNT, MetricsLevel.SUMMARY);
         } finally {
             MetricsUtil.endScope(scope);
         }