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rakeshr pushed a commit to branch branch-3.2
in repository https://gitbox.apache.org/repos/asf/hadoop.git
The following commit(s) were added to refs/heads/branch-3.2 by this push:
new d7f9a90 HDFS-15080. Fix the issue in reading persistent memory cached
data with an offset. Contributed by Feilong He.
d7f9a90 is described below
commit d7f9a90e2c7e367c57b7e19ce0497bad05b95e1a
Author: Rakesh Radhakrishnan <[email protected]>
AuthorDate: Wed Jan 8 14:25:17 2020 +0530
HDFS-15080. Fix the issue in reading persistent memory cached data with an
offset. Contributed by Feilong He.
(cherry picked from commit 7030722e5d9f376245a9ab0a6a883538b6c55f82)
---
.../hadoop/hdfs/server/datanode/fsdataset/impl/FsDatasetImpl.java | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git
a/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/fsdataset/impl/FsDatasetImpl.java
b/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/fsdataset/impl/FsDatasetImpl.java
index faf0935..1ce2910 100644
---
a/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/fsdataset/impl/FsDatasetImpl.java
+++
b/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/fsdataset/impl/FsDatasetImpl.java
@@ -821,7 +821,7 @@ class FsDatasetImpl implements FsDatasetSpi<FsVolumeImpl> {
if (addr != -1) {
LOG.debug("Get InputStream by cache address.");
return FsDatasetUtil.getDirectInputStream(
- addr, info.getBlockDataLength());
+ addr + seekOffset, info.getBlockDataLength() - seekOffset);
}
LOG.debug("Get InputStream by cache file path.");
return FsDatasetUtil.getInputStreamAndSeek(
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