zhuxiangyi commented on a change in pull request #3086:
URL: https://github.com/apache/hadoop/pull/3086#discussion_r650121325
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File path:
hadoop-hdfs-project/hadoop-hdfs-rbf/src/main/java/org/apache/hadoop/hdfs/server/federation/metrics/RBFMetrics.java
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@@ -165,11 +172,46 @@ public RBFMetrics(Router router) throws IOException {
// Initialize the cache for the DN reports
Configuration conf = router.getConfig();
- this.timeOut = conf.getTimeDuration(RBFConfigKeys.DN_REPORT_TIME_OUT,
- RBFConfigKeys.DN_REPORT_TIME_OUT_MS_DEFAULT, TimeUnit.MILLISECONDS);
this.topTokenRealOwners = conf.getInt(
RBFConfigKeys.DFS_ROUTER_METRICS_TOP_NUM_TOKEN_OWNERS_KEY,
RBFConfigKeys.DFS_ROUTER_METRICS_TOP_NUM_TOKEN_OWNERS_KEY_DEFAULT);
+ // Initialize the cache for the DN reports
+ this.dnReportTimeOut = conf.getTimeDuration(
+ RBFConfigKeys.DN_REPORT_TIME_OUT,
+ RBFConfigKeys.DN_REPORT_TIME_OUT_MS_DEFAULT, TimeUnit.MILLISECONDS);
+ long dnCacheExpire = conf.getTimeDuration(
+ RBFConfigKeys.DN_REPORT_CACHE_EXPIRE,
+ RBFConfigKeys.DN_REPORT_CACHE_EXPIRE_MS_DEFAULT,
TimeUnit.MILLISECONDS);
+ this.dnCache = CacheBuilder.newBuilder()
Review comment:
Yes,They should use the same dncache. In addition, I want to extract
NamesystemMetrics and NameNodeInfoMetrics into RBFMetrics. I don't think they
should be serialized to StateStore and then de-serialized to be used by
RBFMetrics.
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