Apache
/
hbase
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

HBASE-3003 ClassSize constants dont use 'final' 

git-svn-id: https://svn.apache.org/repos/asf/hbase/trunk@1000275 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Ryan Rawson 2010-09-22 23:49:49 +00:00
parent 17da1d0369
commit 2806d60cab
2 changed files with 23 additions and 21 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
CHANGES.txt
View File

@ -535,6 +535,7 @@ Release 0.21.0 - Unreleased
HBASE-3023 NPE processing server crash in MetaReader. getServerUserRegions
HBASE-3024 NPE processing server crash in MetaEditor.addDaughter
HBASE-3026 Fixup of "missing" daughters on split is too aggressive
HBASE-3003 ClassSize constants dont use 'final'
IMPROVEMENTS
HBASE-1760 Cleanup TODOs in HTable

43
src/main/java/org/apache/hadoop/hbase/util/ClassSize.java
View File

@ -39,64 +39,64 @@ public class ClassSize {
private static int nrOfRefsPerObj = 2;
/** Array overhead */
public static int ARRAY = 0;
public static final int ARRAY;
/** Overhead for ArrayList(0) */
public static int ARRAYLIST = 0;
public static final int ARRAYLIST;
/** Overhead for ByteBuffer */
public static int BYTE_BUFFER = 0;
public static final int BYTE_BUFFER;
/** Overhead for an Integer */
public static int INTEGER = 0;
public static final int INTEGER;
/** Overhead for entry in map */
public static int MAP_ENTRY = 0;
public static final int MAP_ENTRY;
/** Object overhead is minimum 2 * reference size (8 bytes on 64-bit) */
public static int OBJECT = 0;
public static final int OBJECT;
/** Reference size is 8 bytes on 64-bit, 4 bytes on 32-bit */
public static int REFERENCE = 0;
public static final int REFERENCE;
/** String overhead */
public static int STRING = 0;
public static final int STRING;
/** Overhead for TreeMap */
public static int TREEMAP = 0;
public static final int TREEMAP;
/** Overhead for ConcurrentHashMap */
public static int CONCURRENT_HASHMAP = 0;
public static final int CONCURRENT_HASHMAP;
/** Overhead for ConcurrentHashMap.Entry */
public static int CONCURRENT_HASHMAP_ENTRY = 0;
public static final int CONCURRENT_HASHMAP_ENTRY;
/** Overhead for ConcurrentHashMap.Segment */
public static int CONCURRENT_HASHMAP_SEGMENT = 0;
public static final int CONCURRENT_HASHMAP_SEGMENT;
/** Overhead for ConcurrentSkipListMap */
public static int CONCURRENT_SKIPLISTMAP = 0;
public static final int CONCURRENT_SKIPLISTMAP;
/** Overhead for ConcurrentSkipListMap Entry */
public static int CONCURRENT_SKIPLISTMAP_ENTRY = 0;
public static final int CONCURRENT_SKIPLISTMAP_ENTRY;
/** Overhead for ReentrantReadWriteLock */
public static int REENTRANT_LOCK = 0;
public static final int REENTRANT_LOCK;
/** Overhead for AtomicLong */
public static int ATOMIC_LONG = 0;
public static final int ATOMIC_LONG;
/** Overhead for AtomicInteger */
public static int ATOMIC_INTEGER = 0;
public static final int ATOMIC_INTEGER;
/** Overhead for AtomicBoolean */
public static int ATOMIC_BOOLEAN = 0;
public static final int ATOMIC_BOOLEAN;
/** Overhead for CopyOnWriteArraySet */
public static int COPYONWRITE_ARRAYSET = 0;
public static final int COPYONWRITE_ARRAYSET;
/** Overhead for CopyOnWriteArrayList */
public static int COPYONWRITE_ARRAYLIST = 0;
public static final int COPYONWRITE_ARRAYLIST;
private static final String THIRTY_TWO = "32";
@ -110,9 +110,10 @@ public class ClassSize {
String arcModel = sysProps.getProperty("sun.arch.data.model");
//Default value is set to 8, covering the case when arcModel is unknown
REFERENCE = 8;
if (arcModel.equals(THIRTY_TWO)) {
REFERENCE = 4;
} else {
REFERENCE = 8;
}
OBJECT = 2 * REFERENCE;