[jira] [Commented] (HDFS-5178) DataTransferProtocol changes for supporting mutiple storages per DN

2013-10-04 Thread Junping Du (JIRA)

[ 
https://issues.apache.org/jira/browse/HDFS-5178?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=13786169#comment-13786169
 ] 

Junping Du commented on HDFS-5178:
--

The test failure on TestDataTransferProtocol seems unrelated as same failure 
happens on HDFS-2832 branch already (related to chooseTarget()). Hi [~szetszwo] 
and [~arpitagarwal], do you think we can fix unit test later?

 DataTransferProtocol changes for supporting mutiple storages per DN
 ---

 Key: HDFS-5178
 URL: https://issues.apache.org/jira/browse/HDFS-5178
 Project: Hadoop HDFS
  Issue Type: Sub-task
  Components: datanode
Affects Versions: Heterogeneous Storage (HDFS-2832)
Reporter: Junping Du
Assignee: Junping Du
 Attachments: HDFS-5178-v1.patch, HDFS-5178-v2.patch


 Per discussion in HDFS-5157, DataTransferProtocol should be updated to add 
 StorageID info in some methods, i.e. writeBlock(), replaceBlock(), etc.
 After that, BlockReceiver (sender also) and receiveBlock can operate on 
 target storage with new parameter.



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[jira] [Commented] (HDFS-5178) DataTransferProtocol changes for supporting mutiple storages per DN

2013-09-18 Thread Arpit Agarwal (JIRA)

[ 
https://issues.apache.org/jira/browse/HDFS-5178?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=13771440#comment-13771440
 ] 

Arpit Agarwal commented on HDFS-5178:
-

Junping, can you please hold off on this patch just a bit? I will be making a 
few protocol changes as part of HDFS-4988.

Thanks.

 DataTransferProtocol changes for supporting mutiple storages per DN
 ---

 Key: HDFS-5178
 URL: https://issues.apache.org/jira/browse/HDFS-5178
 Project: Hadoop HDFS
  Issue Type: Sub-task
  Components: datanode
Affects Versions: Heterogeneous Storage (HDFS-2832)
Reporter: Junping Du
Assignee: Junping Du

 Per discussion in HDFS-5157, DataTransferProtocol should be updated to add 
 StorageID info in some methods, i.e. writeBlock(), replaceBlock(), etc.
 After that, BlockReceiver (sender also) and receiveBlock can operate on 
 target storage with new parameter.

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[jira] [Commented] (HDFS-5178) DataTransferProtocol changes for supporting mutiple storages per DN

2013-09-18 Thread Arpit Agarwal (JIRA)

[ 
https://issues.apache.org/jira/browse/HDFS-5178?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=13771445#comment-13771445
 ] 

Arpit Agarwal commented on HDFS-5178:
-

Alternatively you can take a look at the preliminary patch I attached to 
HDFS-4988 to check for potential conflicts. :-)

It will need to be rebased after Nicholas's checkin for HDFS-4990. I should 
have the rebased patch up by tomorrow.

 DataTransferProtocol changes for supporting mutiple storages per DN
 ---

 Key: HDFS-5178
 URL: https://issues.apache.org/jira/browse/HDFS-5178
 Project: Hadoop HDFS
  Issue Type: Sub-task
  Components: datanode
Affects Versions: Heterogeneous Storage (HDFS-2832)
Reporter: Junping Du
Assignee: Junping Du

 Per discussion in HDFS-5157, DataTransferProtocol should be updated to add 
 StorageID info in some methods, i.e. writeBlock(), replaceBlock(), etc.
 After that, BlockReceiver (sender also) and receiveBlock can operate on 
 target storage with new parameter.

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[jira] [Commented] (HDFS-5178) DataTransferProtocol changes for supporting mutiple storages per DN

2013-09-18 Thread Junping Du (JIRA)

[ 
https://issues.apache.org/jira/browse/HDFS-5178?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=13771458#comment-13771458
 ] 

Junping Du commented on HDFS-5178:
--

Sure. Thanks for reminder. Arpit!

 DataTransferProtocol changes for supporting mutiple storages per DN
 ---

 Key: HDFS-5178
 URL: https://issues.apache.org/jira/browse/HDFS-5178
 Project: Hadoop HDFS
  Issue Type: Sub-task
  Components: datanode
Affects Versions: Heterogeneous Storage (HDFS-2832)
Reporter: Junping Du
Assignee: Junping Du

 Per discussion in HDFS-5157, DataTransferProtocol should be updated to add 
 StorageID info in some methods, i.e. writeBlock(), replaceBlock(), etc.
 After that, BlockReceiver (sender also) and receiveBlock can operate on 
 target storage with new parameter.

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