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https://issues.apache.org/jira/browse/HBASE-18389?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Chia-Ping Tsai updated HBASE-18389:
-----------------------------------
Fix Version/s: 2.0.0-alpha-2
3.0.0
> Remove byte[] from formal parameter of sizeOf() of ClassSize,
> ClassSize.MemoryLayout and ClassSize.UnsafeLayout
> ---------------------------------------------------------------------------------------------------------------
>
> Key: HBASE-18389
> URL: https://issues.apache.org/jira/browse/HBASE-18389
> Project: HBase
> Issue Type: Bug
> Components: util
> Reporter: Xiang Li
> Assignee: Xiang Li
> Priority: Minor
> Fix For: 3.0.0, 2.0.0-alpha-2
>
> Attachments: HBASE-18389.master.000.patch,
> HBASE-18389.master.001.patch, HBASE-18389.master.002.patch,
> HBASE-18389.master.003.patch
>
>
> In ClassSize class and its internal static class, sizeOf() function has 2
> formal parameters: byte[] b and int len. But the function's internal logic
> does not use or refer to byte[] b. Could be removed.
> {code:title=hbase-common/src/main/java/org/apache/hadoop/hbase/util/ClassSize.java|borderStyle=solid}
> // Class of ClassSize
> public static long sizeOf(byte[] b, int len) {
> return memoryLayout.sizeOf(b, len);
> }
> // Class of ClassSize.MemoryLayout
> long sizeOf(byte[] b, int len) {
> return align(arrayHeaderSize() + len);
> }
> // Class of ClassSize.UnsafeLayout
> long sizeOf(byte[] b, int len) {
> return align(arrayHeaderSize() + len *
> UnsafeAccess.theUnsafe.ARRAY_BYTE_INDEX_SCALE);
> }
> {code}
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