chenxu14 commented on a change in pull request #479: HBASE-22802 Avoid temp
ByteBuffer allocation in FileIOEngine#read
URL: https://github.com/apache/hbase/pull/479#discussion_r317646441
##########
File path: hbase-common/src/main/java/org/apache/hadoop/hbase/nio/ByteBuff.java
##########
@@ -78,6 +79,23 @@ public boolean release() {
return refCnt.release();
}
+ public RefCnt getRefCnt() {
+ return this.refCnt;
+ }
+
+ /**
+ * BucketEntry use this to share refCnt with ByteBuff, so make the method
public here,
+ * the upstream should not use this public method in other place, or the
previous recycler
+ * will be lost.
+ */
+ public void shareRefCnt(RefCnt refCnt, boolean replace) {
Review comment:
Sorry, there missing some conversations with @openinx
We do this in order not to violate the LRU, when
BucketCache#freeEntireBuckets is executed
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