shameersss1 commented on code in PR #7479:
URL: https://github.com/apache/hadoop/pull/7479#discussion_r1986733172
##########
hadoop-tools/hadoop-aws/src/main/java/org/apache/hadoop/fs/s3a/auth/IAMInstanceCredentialsProvider.java:
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@@ -62,6 +63,12 @@ public class IAMInstanceCredentialsProvider
private static final Logger LOG =
LoggerFactory.getLogger(IAMInstanceCredentialsProvider.class);
+ /**
+ * How far in advance of credential expiry must IAM credentials be refreshed.
+ * See HADOOP-19181. S3A: IAMCredentialsProvider throttling results in AWS
auth failures
+ */
+ public static final Duration TIME_BEFORE_EXPIRY = Duration.ofMinutes(1);
Review Comment:
Is it good to have this configurable ?
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