Apache9 commented on code in PR #4626:
URL: https://github.com/apache/hbase/pull/4626#discussion_r921750654
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hbase-client/src/main/java/org/apache/hadoop/hbase/ServerMetricsBuilder.java:
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@@ -414,16 +411,20 @@ public String toString() {
int currentMaxCompactedStoreFileRefCount =
r.getMaxCompactedStoreFileRefCount();
maxCompactedStoreFileRefCount =
Math.max(maxCompactedStoreFileRefCount,
currentMaxCompactedStoreFileRefCount);
- uncompressedStoreFileSizeMB +=
r.getUncompressedStoreFileSize().get(Size.Unit.MEGABYTE);
- storeFileSizeMB += r.getStoreFileSize().get(Size.Unit.MEGABYTE);
- memStoreSizeMB += r.getMemStoreSize().get(Size.Unit.MEGABYTE);
- storefileIndexSizeKB +=
r.getStoreFileUncompressedDataIndexSize().get(Size.Unit.KILOBYTE);
+ uncompressedStoreFileSizeMB = (long) (uncompressedStoreFileSizeMB
Review Comment:
Just use += and cast the right operator to long is enough?
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hbase-client/src/main/java/org/apache/hadoop/hbase/CacheEvictionStats.java:
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@@ -28,7 +29,7 @@ public final class CacheEvictionStats {
private final long evictedBlocks;
private final long maxCacheSize;
- private final Map<byte[], Throwable> exceptions;
+ private final IdentityHashMap<byte[], Throwable> exceptions;
Review Comment:
I think this will be a bit dangerous if we will return this map to upper
layer...
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