liuml07 commented on a change in pull request #822: HBASE-23288 - Backport
HBASE-23251 (Add Column Family and Table Names…
URL: https://github.com/apache/hbase/pull/822#discussion_r346523985
##########
File path:
hbase-common/src/main/java/org/apache/hadoop/hbase/io/hfile/HFileContext.java
##########
@@ -203,11 +218,18 @@ public String getHFileName() {
public long heapSize() {
long size = ClassSize.align(ClassSize.OBJECT +
// Algorithm reference, encodingon, checksumtype, Encryption.Context
reference
- 5 * ClassSize.REFERENCE +
+ 7 * ClassSize.REFERENCE +
Review comment:
Thanks @gjacoby126 I guess my comment is more about format for easier review
and future change.
```
5 * ClassSize.REFERENCE +
2 * Bytes.SIZEOF_INT +
// usesHBaseChecksum, includesMvcc, includesTags and compressTags
4 * Bytes.SIZEOF_BOOLEAN +
Bytes.SIZEOF_LONG);
```
to
```
7 * ClassSize.REFERENCE +
2 * Bytes.SIZEOF_INT +
// usesHBaseChecksum, includesMvcc, includesTags and compressTags
4 * Bytes.SIZEOF_BOOLEAN +
2 * ClassSize.ARRAY +
Bytes.SIZEOF_LONG);
```
Instead, I think it's better to have the same expression as `master` branch.
```
// Algorithm, checksumType, encoding, Encryption.Context, hfileName
reference,
5 * ClassSize.REFERENCE + 2 * Bytes.SIZEOF_INT +
// usesHBaseChecksum, includesMvcc, includesTags and compressTags
4 * Bytes.SIZEOF_BOOLEAN + Bytes.SIZEOF_LONG +
//byte[] headers for column family and table name
2 * ClassSize.ARRAY + 2 * ClassSize.REFERENCE);
```
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