hchaverri commented on code in PR #5897:
URL: https://github.com/apache/hadoop/pull/5897#discussion_r1278114605
##########
hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/security/token/delegation/SQLDelegationTokenSecretManager.java:
##########
@@ -46,6 +50,9 @@ public abstract class
SQLDelegationTokenSecretManager<TokenIdent
private static final String SQL_DTSM_TOKEN_SEQNUM_BATCH_SIZE =
SQL_DTSM_CONF_PREFIX
+ "token.seqnum.batch.size";
public static final int DEFAULT_SEQ_NUM_BATCH_SIZE = 10;
+ public static final String SQL_DTSM_TOKEN_LOADING_CACHE_EXPIRATION_MS =
SQL_DTSM_CONF_PREFIX
+ + "token.loading.cache.expiration.ms";
+ public static final int SQL_DTSM_TOKEN_LOADING_CACHE_EXPIRATION_DEFAULT_MS =
10000;
Review Comment:
In the tests that I've run, with a lower renew interval, I've seen renewals
come 30 seconds before the expiration time. In our live service I see renewals
happening 2 hours before expiration. I've yet to find how to configure it.
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