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https://issues.apache.org/jira/browse/YARN-11664?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17831169#comment-17831169
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ASF GitHub Bot commented on YARN-11664:
---------------------------------------
shameersss1 commented on code in PR #6631:
URL: https://github.com/apache/hadoop/pull/6631#discussion_r1540493331
##########
hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/io/IOStreamPair.java:
##########
@@ -15,15 +15,14 @@
* See the License for the specific language governing permissions and
* limitations under the License.
*/
-package org.apache.hadoop.hdfs.protocol.datatransfer;
+package org.apache.hadoop.io;
import java.io.Closeable;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import org.apache.hadoop.classification.InterfaceAudience;
-import org.apache.hadoop.io.IOUtils;
/**
* A little struct class to wrap an InputStream and an OutputStream.
Review Comment:
ack
> Remove HDFS Binaries/Jars Dependency From YARN
> ----------------------------------------------
>
> Key: YARN-11664
> URL: https://issues.apache.org/jira/browse/YARN-11664
> Project: Hadoop YARN
> Issue Type: Improvement
> Components: yarn
> Reporter: Syed Shameerur Rahman
> Assignee: Syed Shameerur Rahman
> Priority: Major
> Labels: pull-request-available
>
> In principle Hadoop Yarn is independent of HDFS. It can work with any
> filesystem. Currently there exists some code dependency for Yarn with HDFS.
> This dependency requires Yarn to bring in some of the HDFS binaries/jars to
> its class path. The idea behind this jira is to remove this dependency so
> that Yarn can run without HDFS binaries/jars
> *Scope*
> 1. Non test classes are considered
> 2. Some test classes which comes as transitive dependency are considered
> *Out of scope*
> 1. All test classes in Yarn module is not considered
>
> --------------------------------------------------------------------------------------------------------------------------------------------------------------------
> A quick search in Yarn module revealed following HDFS dependencies
> 1. Constants
> {code:java}
> import
> org.apache.hadoop.hdfs.security.token.delegation.DelegationTokenIdentifier;
> import org.apache.hadoop.hdfs.DFSConfigKeys;{code}
>
>
> 2. Exception
> {code:java}
> import org.apache.hadoop.hdfs.protocol.DSQuotaExceededException;{code}
>
> 3. Utility
> {code:java}
> import org.apache.hadoop.hdfs.protocol.datatransfer.IOStreamPair;{code}
>
> Both Yarn and HDFS depends on *hadoop-common* module,
> * Constants variables and Utility classes can be moved to *hadoop-common*
> * Instead of DSQuotaExceededException, Use the parent exception
> ClusterStoragrCapacityExceeded
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