Github user ben-manes commented on a diff in the pull request:
https://github.com/apache/accumulo/pull/251#discussion_r113368473
--- Diff:
core/src/main/java/org/apache/accumulo/core/file/blockfile/cache/TinyLfuBlockCache.java
---
@@ -68,7 +73,10 @@ public long getMaxSize() {
@Override
public CacheEntry getBlock(String blockName) {
- return cache.getIfPresent(blockName);
+ CacheEntry ce = cache.getIfPresent(blockName);
+ if (ce != null)
+ return ce;
+ return weakEvictionMap.get(blockName);
--- End diff --
You might prefer to promote the entry using a CacheLoader. Otherwise your
recovery of a premature eviction would still allow the entry to be collected
eventually.
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