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HADOOP-7058. Expose number of bytes in FSOutputSummer buffer to implementatins. Contributed by Todd Lipcon. 

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1044148 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Hairong Kuang 2010-12-09 22:22:53 +00:00
parent 6afbdb6e41
commit aa089fc5d0
2 changed files with 10 additions and 0 deletions
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3
CHANGES.txt
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@ -29,6 +29,9 @@ Trunk (unreleased changes)
HADOOP-7060. A more elegant FileSystem#listCorruptFileBlocks API. HADOOP-7060. A more elegant FileSystem#listCorruptFileBlocks API.
(Patrick Kling via hairong) (Patrick Kling via hairong)
HADOOP-7058. Expose number of bytes in FSOutputSummer buffer to
implementatins. (Todd Lipcon via hairong)
OPTIMIZATIONS OPTIMIZATIONS
BUG FIXES BUG FIXES

7
src/java/org/apache/hadoop/fs/FSOutputSummer.java
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@ -140,6 +140,13 @@ abstract public class FSOutputSummer extends OutputStream {
} }
} }
/**
* Return the number of valid bytes currently in the buffer.
*/
protected synchronized int getBufferedDataSize() {
return count;
}
/** Generate checksum for the data chunk and output data chunk & checksum /** Generate checksum for the data chunk and output data chunk & checksum
* to the underlying output stream. If keep is true then keep the * to the underlying output stream. If keep is true then keep the
* current checksum intact, do not reset it. * current checksum intact, do not reset it.