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https://issues.apache.org/jira/browse/HDFS-8520?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14570870#comment-14570870
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Tony Reix commented on HDFS-8520:
---------------------------------
I have just rechecked that the patch does not break tests on Ubuntu/x86_64.
git clone https://github.com/apache/hadoop
cd hadoop
git checkout branch-2.7
patch -p1 < ../HDFS-8520.patch
mvn -l mvn.Test.TestFsDatasetCache.res test -Pnative,src -Drequire.snappy
-Dmaven.test.failure.ignore=true -Dsurefire.heap=-Xmx2048m -fn
-Dtest=org.apache.hadoop.hdfs.server.datanode.TestFsDatasetCache
Tests run: 8, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 96.657 sec - in
org.apache.hadoop.hdfs.server.datanode.TestFsDatasetCache
mvn -l mvn.Test.TestCacheDirectives.res test -Pnative,src -Drequire.snappy
-Dmaven.test.failure.ignore=true -Dsurefire.heap=-Xmx2048m -fn
-Dtest=org.apache.hadoop.hdfs.server.namenode.TestCacheDirectives
Tests run: 12, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 82.207 sec -
in org.apache.hadoop.hdfs.server.namenode.TestCacheDirectives
> Patch for PPC64 block size
> --------------------------
>
> Key: HDFS-8520
> URL: https://issues.apache.org/jira/browse/HDFS-8520
> Project: Hadoop HDFS
> Issue Type: Bug
> Affects Versions: 2.7.1
> Environment: RHEL 7.1 /PPC64
> Reporter: Tony Reix
> Fix For: 2.7.1
>
> Attachments: HDFS-8520.patch
>
>
> The attached patch enables Hadoop to work on PPC64.
> That deals with SystemPageSize and BloclSize , which are not 4096 on PPC64.
> There are changes in 3 files:
> -
> hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/io/nativeio/NativeIO.java
> -
> hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/datanode/TestFsDatasetCache.java
> -
> hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/TestCacheDirectives.java
> where 4096 is replaced by getOperatingSystemPageSize() or by using PAGE_SIZE
> The patch has been built on branch-2.7 .
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