tasanuma commented on a change in pull request #2907:
URL: https://github.com/apache/hadoop/pull/2907#discussion_r614222329
##########
File path:
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/fsdataset/impl/FsDatasetCache.java
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@@ -607,11 +608,11 @@ public long getCacheCapacity() {
}
public long getNumBlocksFailedToCache() {
- return numBlocksFailedToCache.get();
+ return numBlocksFailedToCache.longValue();
}
public long getNumBlocksFailedToUncache() {
- return numBlocksFailedToUncache.get();
+ return numBlocksFailedToUncache.longValue();
}
public long getNumBlocksCached() {
Review comment:
Is there any reason not to use `LongAdder` for `numBlocksCached`?
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