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HBASE-10032. [JDK8] ConcurrentSkipListMap class size changed 

git-svn-id: https://svn.apache.org/repos/asf/hbase/trunk@1545876 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Andrew Kyle Purtell 2013-11-26 22:34:01 +00:00
parent 67160a89f8
commit cf05af178a
1 changed files with 3 additions and 1 deletions
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4
hbase-common/src/main/java/org/apache/hadoop/hbase/util/ClassSize.java
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@ -23,6 +23,7 @@ package org.apache.hadoop.hbase.util;
import java.lang.reflect.Field; import java.lang.reflect.Field;
import java.lang.reflect.Modifier; import java.lang.reflect.Modifier;
import java.util.concurrent.ConcurrentHashMap; import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.ConcurrentSkipListMap;
import org.apache.commons.logging.Log; import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory; import org.apache.commons.logging.LogFactory;
@ -168,7 +169,8 @@ public class ClassSize {
CONCURRENT_HASHMAP_SEGMENT = align(REFERENCE + OBJECT + CONCURRENT_HASHMAP_SEGMENT = align(REFERENCE + OBJECT +
(3 * Bytes.SIZEOF_INT) + Bytes.SIZEOF_FLOAT + ARRAY); (3 * Bytes.SIZEOF_INT) + Bytes.SIZEOF_FLOAT + ARRAY);
CONCURRENT_SKIPLISTMAP = align(Bytes.SIZEOF_INT + OBJECT + (8 * REFERENCE)); // The size changes from jdk7 to jdk8, estimate the size rather than use a conditional
CONCURRENT_SKIPLISTMAP = (int) estimateBase(ConcurrentSkipListMap.class, false);
CONCURRENT_SKIPLISTMAP_ENTRY = align( CONCURRENT_SKIPLISTMAP_ENTRY = align(
align(OBJECT + (3 * REFERENCE)) + /* one node per entry */ align(OBJECT + (3 * REFERENCE)) + /* one node per entry */