taklwu commented on code in PR #8766:
URL: https://github.com/apache/hbase/pull/8766#discussion_r4276624277
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hbase-server/src/main/java/org/apache/hadoop/hbase/io/hfile/cache/LruCacheEngine.java:
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@@ -801,21 +801,26 @@ long getOverhead() {
*/
void evict() {
if (!evictionLock.tryLock()) {
+ notifyEvictionPressure(0L);
Review Comment:
I have the same question, when it's accessing by multiple threads, how could
one make sure the eviction pressure does not accidentally become 0L
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