hchaverri commented on code in PR #4092:
URL: https://github.com/apache/hadoop/pull/4092#discussion_r852347474
##########
hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/security/token/delegation/AbstractDelegationTokenSecretManager.java:
##########
@@ -825,4 +859,68 @@ protected void syncTokenOwnerStats() {
addTokenForOwnerStats(id);
}
}
+
+ /**
+ * DelegationTokenSecretManagerMetrics tracks token management operations
+ * and publishes them through the metrics interfaces.
+ */
+ @Metrics(about="Delegation token secret manager metrics", context="token")
+ static class DelegationTokenSecretManagerMetrics implements
IOStatisticsSource {
+ private static final Logger LOG =
LoggerFactory.getLogger(DelegationTokenSecretManagerMetrics.class);
+
+ final static String STORE_TOKEN_STAT = "storeToken";
+ final static String UPDATE_TOKEN_STAT = "updateToken";
+ final static String REMOVE_TOKEN_STAT = "removeToken";
+ final static String TOKEN_FAILURE_STAT = "tokenFailure";
+
+ final MetricsRegistry registry;
+ final IOStatisticsStore ioStatistics;
+
+ @Metric("Rate of storage of delegation tokens and latency (milliseconds)")
+ MutableRate storeToken;
+ @Metric("Rate of update of delegation tokens and latency (milliseconds)")
+ MutableRate updateToken;
+ @Metric("Rate of removal of delegation tokens and latency (milliseconds)")
+ MutableRate removeToken;
+ @Metric("Counter of delegation tokens operation failures")
+ MutableCounterLong tokenFailure;
+
+ static DelegationTokenSecretManagerMetrics create() {
+ return DefaultMetricsSystem.instance().register(new
DelegationTokenSecretManagerMetrics());
+ }
+
+ public DelegationTokenSecretManagerMetrics() {
+ ioStatistics = iostatisticsStore()
Review Comment:
Removed static import
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