Github user joshelser commented on a diff in the pull request:
https://github.com/apache/accumulo/pull/47#discussion_r40052699
--- Diff:
core/src/main/java/org/apache/accumulo/core/iterators/Combiner.java ---
@@ -149,6 +159,37 @@ public void next() throws IOException {
private Key workKey = new Key();
+ private static Cache<String,Long> loggedMsgCache =
CacheBuilder.newBuilder().expireAfterWrite(1, TimeUnit.HOURS).build();
--- End diff --
Would be safer to include a high-watermark on the size of the cache. Maybe
500 elements just to prevent catastrophic failure if we somehow create a bug
that causes things to be added to this cache incorrectly.
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