wenwj0 commented on code in PR #4502:
URL: https://github.com/apache/hbase/pull/4502#discussion_r917869794
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hbase-server/src/main/java/org/apache/hadoop/hbase/io/hfile/HFileBlock.java:
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@@ -625,11 +625,12 @@ HFileBlock unpack(HFileContext fileContext, FSReader
reader) throws IOException
: reader.getDefaultBlockDecodingContext();
// Create a duplicated buffer without the header part.
ByteBuff dup = this.buf.duplicate();
- dup.position(this.headerSize());
+ int totalChecksumBytes = totalChecksumBytes();
+ dup.position(this.headerSize()).limit(dup.limit() - totalChecksumBytes);
dup = dup.slice();
// Decode the dup into unpacked#buf
- ctx.prepareDecoding(unpacked.getOnDiskSizeWithoutHeader(),
- unpacked.getUncompressedSizeWithoutHeader(),
unpacked.getBufferWithoutHeader(true), dup);
+ ctx.prepareDecoding(unpacked.getOnDiskSizeWithoutHeader() -
totalChecksumBytes,
Review Comment:
I want to know why `unpacked.getBufferWithoutHeader(true)` is set as true,
Is this checkSum bytes used in somewhere?
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