HBASE-19684 BlockCacheKey toString Performance

Signed-off-by: zhangduo <zhangduo@apache.org>
2018-01-08 17:06:21 +08:00 · 2018-01-08 17:06:21 +08:00 · afc2cdbaff
parent 7378dad5a9
commit afc2cdbaff
1 changed files with 1 additions and 1 deletions
--- a/hbase-server/src/main/java/org/apache/hadoop/hbase/io/hfile/BlockCacheKey.java
+++ b/hbase-server/src/main/java/org/apache/hadoop/hbase/io/hfile/BlockCacheKey.java
@ -68,7 +68,7 @@ public class BlockCacheKey implements HeapSize, java.io.Serializable {

  @Override
  public String toString() {
-    return String.format("%s_%d", hfileName, offset);
+    return this.hfileName + '_' + this.offset;
  }

  public static final long FIXED_OVERHEAD = ClassSize.align(