Apache9 commented on a change in pull request #242: HBASE-22422 Retain an
ByteBuff with refCnt=0 when getBlock from LRUCache
URL: https://github.com/apache/hbase/pull/242#discussion_r284722953
##########
File path:
hbase-server/src/main/java/org/apache/hadoop/hbase/io/hfile/HFileReaderImpl.java
##########
@@ -1499,15 +1504,14 @@ public HFileBlock readBlock(long dataBlockOffset, long
onDiskBlockSize,
BlockType.BlockCategory category =
hfileBlock.getBlockType().getCategory();
// Cache the block if necessary
- AtomicBoolean cachedRaw = new AtomicBoolean(false);
cacheConf.getBlockCache().ifPresent(cache -> {
if (cacheBlock && cacheConf.shouldCacheBlockOnRead(category)) {
- cachedRaw.set(cacheConf.shouldCacheCompressed(category));
- cache.cacheBlock(cacheKey, cachedRaw.get() ? hfileBlock : unpacked,
+ cache.cacheBlock(cacheKey,
+ cacheConf.shouldCacheCompressed(category) ? hfileBlock :
unpacked,
cacheConf.isInMemory());
}
});
- if (unpacked != hfileBlock && !cachedRaw.get()) {
+ if (unpacked != hfileBlock) {
Review comment:
Why this change?
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