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Li Bo commented on HDFS-8762:
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Move this jira from HDFS-8031 to HDFS-7285. Because there're 9
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Li Bo commented on HDFS-8762:
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hi, [~zhz]
The Jenkins test of HDFS-8704 fails, but I can't
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Li Bo updated HDFS-8762:
Parent Issue: HDFS-7285 (was: HDFS-8031)
Erasure Coding: the log of each streamer should show its index
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Li Bo updated HDFS-8762:
Attachment: HDFS-8762-HDFS-7285-002.patch
Erasure Coding: the log of each streamer should show its index
Li Bo created HDFS-8857:
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Summary: Erasure Coding: Fix ArrayIndexOutOfBoundsException in
TestWriteStripedFileWithFailure
Key: HDFS-8857
URL: https://issues.apache.org/jira/browse/HDFS-8857
Project: Hadoop HDFS
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Li Bo updated HDFS-8857:
Attachment: HDFS-8857-HDFS-7285-001.patch
Erasure Coding: Fix ArrayIndexOutOfBoundsException in
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Li Bo updated HDFS-8857:
Status: Patch Available (was: Open)
Erasure Coding: Fix ArrayIndexOutOfBoundsException in
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Li Bo updated HDFS-8704:
Attachment: HDFS-8704-HDFS-7285-004.patch
Erasure Coding: client fails to write large file when one datanode fails
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Li Bo updated HDFS-8704:
Status: Patch Available (was: Open)
Erasure Coding: client fails to write large file when one datanode fails
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https://issues.apache.org/jira/browse/HDFS-8838?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=14651555#comment-14651555
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Li Bo commented on HDFS-8838:
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The number of datanodes is set to 9 in the unit test. Due to the
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Li Bo commented on HDFS-8839:
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hi, Zhe, I remember HDFS-8820 handles the situation that a
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Li Bo commented on HDFS-8838:
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hi, Nicholas
I think you can commit your patch first and I will
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Li Bo commented on HDFS-8704:
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I have just update a second patch of this problem. The changes
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Li Bo commented on HDFS-8838:
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Thanks Nicholas for the effort on this problem. I have just
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Li Bo updated HDFS-8704:
Attachment: HDFS-8704-HDFS-7285-003.patch
Erasure Coding: client fails to write large file when one datanode fails
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Li Bo commented on HDFS-8704:
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Patch 003 fixes the problem of writing a file that is a little
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Li Bo commented on HDFS-8704:
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Thanks for reporting this issue. This bug is really complex and
Li Bo created HDFS-8839:
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Summary: Erasure Coding: client occasionally gets less block
locations when some datanodes fail
Key: HDFS-8839
URL: https://issues.apache.org/jira/browse/HDFS-8839
Project: Hadoop
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Li Bo updated HDFS-8704:
Attachment: HDFS-8704-HDFS-7285-002.patch
Erasure Coding: client fails to write large file when one datanode fails
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https://issues.apache.org/jira/browse/HDFS-8313?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Li Bo resolved HDFS-8313.
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Resolution: Cannot Reproduce
Erasure Coding: DFSStripedOutputStream#close throws NullPointerException
exception
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Li Bo commented on HDFS-8762:
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Add {{this}} to log string is also a solution. But it adds too
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Li Bo commented on HDFS-8704:
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I am still working on this jira. The error is random and now it
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Li Bo updated HDFS-8762:
Status: Patch Available (was: Open)
Erasure Coding: the log of each streamer should show its index
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Li Bo updated HDFS-8762:
Attachment: HDFS-8762-HDFS-7285-001.patch
Erasure Coding: the log of each streamer should show its index
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https://issues.apache.org/jira/browse/HDFS-8734?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=14625852#comment-14625852
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Li Bo commented on HDFS-8734:
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Thanks for Walter's effort on this jira. Please see my review as
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Li Bo updated HDFS-8744:
Resolution: Fixed
Status: Resolved (was: Patch Available)
Erasure Coding: the number of chunks in packet
Li Bo created HDFS-8762:
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Summary: Erasure Coding: the log of each streamer should show its
index
Key: HDFS-8762
URL: https://issues.apache.org/jira/browse/HDFS-8762
Project: Hadoop HDFS
Issue Type:
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Li Bo updated HDFS-8744:
Attachment: HDFS-8744-HDFS-7285-002.patch
update patch according to Jing's review
Erasure Coding: the number of
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Li Bo updated HDFS-8744:
Description: The member {{numChunks}} in {{DFSPacket}} is always zero if
this packet contains parity data. The
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Li Bo updated HDFS-8744:
Description: The member {{numChunks}} in {{DFSPacket}} is always zero if
this packet contains parity data. The
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Li Bo updated HDFS-8744:
Status: Patch Available (was: Open)
Erasure Coding: the number of chunks in packet is not updated when writing
Li Bo created HDFS-8744:
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Summary: Erasure Coding: the number of chunks in packet is not
updated when writing parity data
Key: HDFS-8744
URL: https://issues.apache.org/jira/browse/HDFS-8744
Project: Hadoop
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https://issues.apache.org/jira/browse/HDFS-8719?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=14620109#comment-14620109
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Li Bo commented on HDFS-8719:
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Thanks [~jingzhao] and [~walter.k.su]!
Erasure Coding: client
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Li Bo updated HDFS-8744:
Attachment: HDFS-8744-HDFS-7285-001.patch
Erasure Coding: the number of chunks in packet is not updated when
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https://issues.apache.org/jira/browse/HDFS-8719?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=14618249#comment-14618249
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Li Bo commented on HDFS-8719:
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Yes, when to start a parity cell, the {{streamer}} used in
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Li Bo updated HDFS-8719:
Attachment: HDFS-8719-HDFS-7285-002.patch
Erasure Coding: client generates too many small packets when writing
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Li Bo commented on HDFS-8719:
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Thanks Walter for the review.
{{remainingBytes}} will be not 1
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Li Bo updated HDFS-8719:
Attachment: HDFS-8719-HDFS-7285-001.patch
Erasure Coding: client generates too many small packets when writing
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https://issues.apache.org/jira/browse/HDFS-8734?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=14619812#comment-14619812
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Li Bo commented on HDFS-8734:
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We know that the data of a full packet is a little smaller than
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Li Bo updated HDFS-8719:
Attachment: HDFS-8719-HDFS-7285-003.patch
{{adjustChunkBoundary()}} is move to {{setCurrentStreamer}}.
Li Bo created HDFS-8719:
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Summary: Erasure Coding: client generates too many small packets
when writing parity data
Key: HDFS-8719
URL: https://issues.apache.org/jira/browse/HDFS-8719
Project: Hadoop HDFS
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https://issues.apache.org/jira/browse/HDFS-8719?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Li Bo updated HDFS-8719:
Attachment: HDFS-8719-001.patch
Erasure Coding: client generates too many small packets when writing parity
data
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Li Bo updated HDFS-8719:
Status: Patch Available (was: Open)
Erasure Coding: client generates too many small packets when writing parity
Li Bo created HDFS-8704:
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Summary: Erasure Coding: client fails to write large file when one
datanode fails
Key: HDFS-8704
URL: https://issues.apache.org/jira/browse/HDFS-8704
Project: Hadoop HDFS
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Li Bo updated HDFS-8704:
Attachment: HDFS-8704-000.patch
Erasure Coding: client fails to write large file when one datanode fails
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Li Bo updated HDFS-8704:
Description: I test current code on a 5-node cluster using RS(3,2). When a
datanode is corrupt, client succeeds to
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Li Bo commented on HDFS-8704:
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Oh, I see, HDFS-8254 had discussed this problem before its
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Li Bo commented on HDFS-8313:
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Sorry for the late reply due to my annual leaves these days. The
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Li Bo updated HDFS-8529:
Attachment: HDFS-8529-001.patch
Add block count metrics to datanode for EC recovery and encoding
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Li Bo commented on HDFS-8287:
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hi, Nicholas, have you started this sub task?
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Li Bo updated HDFS-8411:
Attachment: HDFS-8411-001.patch
Add to Datanode the amount of data that is read and transfered during EC
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Li Bo updated HDFS-8410:
Attachment: HDFS-8410-001.patch
Add to Datanode the time taken for computations during EC reconstruction
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Li Bo commented on HDFS-8410:
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The patch is based on HDFS-8449
Add to Datanode the time taken
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Li Bo updated HDFS-8529:
Summary: Add block count metrics to datanode for EC recovery and encoding
(was: Erasure Coding: optimize client
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Li Bo updated HDFS-8529:
Description: This sub task will add block count metrics to datanode that
takes the encoding and recovery tasks.
Li Bo created HDFS-8528:
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Summary: Erasure Coding: optimize client writing by making the
writing of data and parity concurrently
Key: HDFS-8528
URL: https://issues.apache.org/jira/browse/HDFS-8528
Project:
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https://issues.apache.org/jira/browse/HDFS-8425?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=14572086#comment-14572086
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Li Bo commented on HDFS-8425:
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I think encoding is one factor. More work can be done to enhance
Li Bo created HDFS-8529:
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Summary: Erasure Coding: optimize client writing by making the
writing of data and parity concurrently
Key: HDFS-8529
URL: https://issues.apache.org/jira/browse/HDFS-8529
Project:
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https://issues.apache.org/jira/browse/HDFS-8497?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=14570218#comment-14570218
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Li Bo commented on HDFS-8497:
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Sorry for the late reply due to my annual leave from work. I run
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Li Bo updated HDFS-8497:
Attachment: HDFS-8497-HDFS-7285-01.patch
The unit test is another test for recovery work of datanode, I think we can
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Li Bo commented on HDFS-8497:
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error correct: before HDFS-8449
ErasureCodingWorker fails to
Li Bo created HDFS-8497:
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Summary: ErasureCodingWorker fails to do decode work
Key: HDFS-8497
URL: https://issues.apache.org/jira/browse/HDFS-8497
Project: Hadoop HDFS
Issue Type: Sub-task
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Li Bo updated HDFS-8449:
Attachment: HDFS-8449-001.patch
Add ec recovery tasks count metric to DataNode
Li Bo created HDFS-8449:
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Summary: Add ec recovery tasks count metric to DataNode
Key: HDFS-8449
URL: https://issues.apache.org/jira/browse/HDFS-8449
Project: Hadoop HDFS
Issue Type: Sub-task
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Li Bo updated HDFS-8449:
Attachment: HDFS-8449-000.patch
Add ec recovery tasks count metric to DataNode
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Li Bo commented on HDFS-8366:
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Hi, Nicholas
Different streamers may have different write speed,
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Li Bo updated HDFS-8366:
Resolution: Fixed
Status: Resolved (was: Patch Available)
Erasure Coding: Make the timeout parameter of
Li Bo created HDFS-8410:
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Summary: Add to Datanode the time taken for computations during EC
reconstruction
Key: HDFS-8410
URL: https://issues.apache.org/jira/browse/HDFS-8410
Project: Hadoop HDFS
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Li Bo reassigned HDFS-8410:
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Assignee: Li Bo
Add to Datanode the time taken for computations during EC reconstruction
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Li Bo commented on HDFS-8366:
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Thanks for Kai's careful review. I will commit it later.
Li Bo created HDFS-8411:
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Summary: Add to Datanode the amount of data that is read and
transfered during EC reconstruction
Key: HDFS-8411
URL: https://issues.apache.org/jira/browse/HDFS-8411
Project: Hadoop
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Li Bo updated HDFS-8366:
Attachment: HDFS-8366-HDFS-7285-02.patch
Erasure Coding: Make the timeout parameter of polling blocking queue
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https://issues.apache.org/jira/browse/HDFS-7674?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=14541536#comment-14541536
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Li Bo commented on HDFS-7674:
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hi, Wei, could you assign this sub task to me ?
Adding metrics
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Li Bo reassigned HDFS-7674:
---
Assignee: Li Bo (was: Wei Zhou)
Adding metrics for Erasure Coding
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Li Bo updated HDFS-8366:
Status: Patch Available (was: Open)
Erasure Coding: Make the timeout parameter of polling blocking queue
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https://issues.apache.org/jira/browse/HDFS-8220?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=14537636#comment-14537636
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Li Bo commented on HDFS-8220:
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hi, Rakesh
Sorry for the late reply.
I notice HDFS-8365 has
Li Bo created HDFS-8366:
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Summary: Erasure Coding: Make the timeout parameter of polling
blocking queue configurable in DFSStripedOutputStream
Key: HDFS-8366
URL: https://issues.apache.org/jira/browse/HDFS-8366
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Li Bo updated HDFS-8366:
Description: The timeout of getting striped or ended block in
{{DFSStripedOutputStream#Coodinator}} should be
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Li Bo updated HDFS-8366:
Attachment: HDFS-8366-001.patch
Erasure Coding: Make the timeout parameter of polling blocking queue
configurable
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https://issues.apache.org/jira/browse/HDFS-8313?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=14526189#comment-14526189
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Li Bo commented on HDFS-8313:
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hi, Yi, could you assign this task to me?
Erasure Coding:
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Li Bo commented on HDFS-7348:
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bq. We can do local writing and local reading logics as
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https://issues.apache.org/jira/browse/HDFS-8015?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Li Bo updated HDFS-8015:
Attachment: HDFS-8015-001.patch
Erasure Coding: local and remote block writer for coding work in DataNode
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Li Bo commented on HDFS-7348:
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We can give two working modes to the recovery work, Fast, or
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https://issues.apache.org/jira/browse/HDFS-7613?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=14518818#comment-14518818
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Li Bo commented on HDFS-7613:
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hi, Walter
HDFS-8220 depends upon this sub task but the current
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Li Bo commented on HDFS-7348:
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Thanks Yi for the great work!
I think decreasing network I/O is
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Li Bo commented on HDFS-8220:
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My suggestions are as follows:
1. We can add
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https://issues.apache.org/jira/browse/HDFS-8220?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=14516512#comment-14516512
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Li Bo commented on HDFS-8220:
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hi, Rakesh
Thanks for finding and fixing this problem.
In your
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https://issues.apache.org/jira/browse/HDFS-8015?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Li Bo updated HDFS-8015:
Attachment: HDFS-8015-000.patch
Patch 000 is an initial version showing the implementation of BlockWriter used
in
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https://issues.apache.org/jira/browse/HDFS-8015?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=14513671#comment-14513671
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Li Bo commented on HDFS-8015:
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hi, Yi
I think there’re several ways to handle writing a decoded
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https://issues.apache.org/jira/browse/HDFS-7786?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Li Bo updated HDFS-7786:
Assignee: Keisuke Ogiwara (was: Li Bo)
Handle slow writers for DFSStripedOutputStream
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https://issues.apache.org/jira/browse/HDFS-8228?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=14510487#comment-14510487
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Li Bo commented on HDFS-8228:
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Thanks Jing for fixing this bug.
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https://issues.apache.org/jira/browse/HDFS-8136?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=14504624#comment-14504624
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Li Bo commented on HDFS-8136:
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The patch also looks good to me. When I apply the patch to
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https://issues.apache.org/jira/browse/HDFS-8136?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Li Bo updated HDFS-8136:
Attachment: HDFS-8136-005.patch
Client gets and uses EC schema when reads and writes a stripping file
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https://issues.apache.org/jira/browse/HDFS-8136?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=14506461#comment-14506461
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Li Bo commented on HDFS-8136:
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HDFS-8190 has given and committed changes to
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https://issues.apache.org/jira/browse/HDFS-8172?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=14504075#comment-14504075
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Li Bo commented on HDFS-8172:
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hi, Nicholas
Sorry for the late reply. At first I think we can
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https://issues.apache.org/jira/browse/HDFS-8015?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=14504163#comment-14504163
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Li Bo commented on HDFS-8015:
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hi, Nichilas
I am now working on this subtask to support erasure
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https://issues.apache.org/jira/browse/HDFS-8171?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Work on HDFS-8171 started by Li Bo.
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Extend BlockSender to support multiple block data source
Li Bo created HDFS-8171:
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Summary: Extend BlockSender to support multiple block data source
Key: HDFS-8171
URL: https://issues.apache.org/jira/browse/HDFS-8171
Project: Hadoop HDFS
Issue Type:
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https://issues.apache.org/jira/browse/HDFS-8172?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Work on HDFS-8172 started by Li Bo.
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Failure handling: DFSStripedOutputStream continues writing with enough
remaining datanodes
Li Bo created HDFS-8172:
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Summary: Failure handling: DFSStripedOutputStream continues
writing with enough remaining datanodes
Key: HDFS-8172
URL: https://issues.apache.org/jira/browse/HDFS-8172
Project: Hadoop
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