Repository: hbase Updated Branches: refs/heads/branch-1.4 1be417a99 -> e30023071
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/e3002307 Tree: http://git-wip-us.apache.org/repos/asf/hbase/tree/e3002307 Diff: http://git-wip-us.apache.org/repos/asf/hbase/diff/e3002307 Branch: refs/heads/branch-1.4 Commit: e30023071a012d8332925b65a508392cbf738df7 Parents: 1be417a Author: Lars Hofhansl <la...@apache.org> Authored: Sat Apr 21 10:04:15 2018 -0700 Committer: Lars Hofhansl <la...@apache.org> Committed: Sat Apr 21 10:04:15 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/e3002307/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); } }