Repository: hbase Updated Branches: refs/heads/branch-1 e60189035 -> 6685b62ab
HBASE-20459 Majority of scan CPU time in HBase-1 spent in size estimation. Project: http://git-wip-us.apache.org/repos/asf/hbase/repo Commit: http://git-wip-us.apache.org/repos/asf/hbase/commit/6685b62a Tree: http://git-wip-us.apache.org/repos/asf/hbase/tree/6685b62a Diff: http://git-wip-us.apache.org/repos/asf/hbase/diff/6685b62a Branch: refs/heads/branch-1 Commit: 6685b62abe44227ee98b4e88386c12a02d718ce3 Parents: e601890 Author: Lars Hofhansl <la...@apache.org> Authored: Sat Apr 21 10:01:14 2018 -0700 Committer: Lars Hofhansl <la...@apache.org> Committed: Sat Apr 21 10:02:07 2018 -0700 ---------------------------------------------------------------------- .../src/main/java/org/apache/hadoop/hbase/util/ClassSize.java | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) ---------------------------------------------------------------------- http://git-wip-us.apache.org/repos/asf/hbase/blob/6685b62a/hbase-common/src/main/java/org/apache/hadoop/hbase/util/ClassSize.java ---------------------------------------------------------------------- diff --git a/hbase-common/src/main/java/org/apache/hadoop/hbase/util/ClassSize.java b/hbase-common/src/main/java/org/apache/hadoop/hbase/util/ClassSize.java index edb5b2d..5e6627f 100644 --- a/hbase-common/src/main/java/org/apache/hadoop/hbase/util/ClassSize.java +++ b/hbase-common/src/main/java/org/apache/hadoop/hbase/util/ClassSize.java @@ -141,7 +141,7 @@ public class ClassSize { } long sizeOf(byte[] b, int len) { - return align(arrayHeaderSize() + len); + return align(ARRAY + len); } } @@ -186,7 +186,7 @@ public class ClassSize { @Override @SuppressWarnings("static-access") long sizeOf(byte[] b, int len) { - return align(arrayHeaderSize() + len * UnsafeAccess.theUnsafe.ARRAY_BYTE_INDEX_SCALE); + return align(ARRAY + len * UnsafeAccess.theUnsafe.ARRAY_BYTE_INDEX_SCALE); } }