MRConfig.DELEGATION_TOKEN_MAX_LIFETIME_DEFAULT);
long tokenRenewInterval =
conf.getLong(MRConfig.DELEGATION_TOKEN_RENEW_INTERVAL_KEY,
MRConfig.DELEGATION_TOKEN_RENEW_INTERVAL_DEFAULT);
secretManager =
new DelegationTokenSecretManager(secretKeyInterval,
tokenMaxLifetime,
tokenRenewInterval,
DELEGATION_TOKEN_GC_INTERVAL);
secretManager.startThreads();