aajisaka commented on a change in pull request #2910:
URL: https://github.com/apache/hadoop/pull/2910#discussion_r613790987
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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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@@ -371,13 +372,13 @@ private static void setStateStoreVersions(
}
@Override
- public long getTotalCapacity() {
- return getNameserviceAggregatedLong(MembershipStats::getTotalSpace);
+ public BigInteger getTotalCapacity() {
Review comment:
According to the
[document](http://hadoop.apache.org/docs/current/hadoop-project-dist/hadoop-common/Compatibility.html#Metrics.2FJMX),
the change is incompatible. However, I think we can do the incompatible change
to fix this issue.
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