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SammiChen updated HDFS-10718:
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Attachment: HDFS-10718-v1.patch
> Prefer direct ByteBuffer in native RS encoder and decoder
>
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SammiChen updated HDFS-10718:
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Status: Patch Available (was: Open)
> Prefer direct ByteBuffer in native RS encoder and decoder
>
SammiChen created HDFS-10718:
Summary: Prefer direct ByteBuffer in native RS encoder and decoder
Key: HDFS-10718
URL: https://issues.apache.org/jira/browse/HDFS-10718
Project: Hadoop HDFS
Issue
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SammiChen updated HDFS-8668:
Attachment: HDFS-8668-v6.patch
> Erasure Coding: revisit buffer used for encoding and decoding.
>
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SammiChen commented on HDFS-8668:
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1. fix checkstyle
2. allocate direct ByteBuffer for checksumBuf per
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SammiChen updated HDFS-8668:
Attachment: HDFS-8668-v8.patch
> Erasure Coding: revisit buffer used for encoding and decoding.
>
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SammiChen commented on HDFS-8668:
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fix checkstyle issues
> Erasure Coding: revisit buffer used for
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SammiChen commented on HDFS-8668:
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Thanks for Kai's review.
A new patch is uploaded, fix all mentioned
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SammiChen updated HDFS-8668:
Attachment: HDFS-8668-v3.patch
> Erasure Coding: revisit buffer used for encoding and decoding.
>
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SammiChen updated HDFS-8668:
Attachment: HDFS-8668-v9.patch
> Erasure Coding: revisit buffer used for encoding and decoding.
>
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SammiChen updated HDFS-8668:
Attachment: HDFS-8668-v7.patch
> Erasure Coding: revisit buffer used for encoding and decoding.
>
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SammiChen commented on HDFS-8668:
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Update test file TestReconstructStripedFile,
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SammiChen updated HDFS-10718:
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Attachment: (was: HDFS-8668-v4.patch)
> Prefer direct ByteBuffer in native RS encoder and decoder
>
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SammiChen commented on HDFS-8668:
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Thanks for Kai's suggestion. The heap buffer convert process is removed
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SammiChen updated HDFS-10718:
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Attachment: HDFS-8668-v4.patch
> Prefer direct ByteBuffer in native RS encoder and decoder
>
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SammiChen updated HDFS-8668:
Attachment: HDFS-8668-v4.patch
> Erasure Coding: revisit buffer used for encoding and decoding.
>
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SammiChen updated HDFS-8668:
Attachment: HDFS-8668-v5.patch
> Erasure Coding: revisit buffer used for encoding and decoding.
>
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SammiChen commented on HDFS-11152:
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Hi [~andrew.wang]] I did some investigation. It seems EC policy ID is
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SammiChen edited comment on HDFS-11268 at 1/19/17 6:31 AM:
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Hi [~andrew.wang],
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SammiChen updated HDFS-11268:
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Attachment: HDFS-11268-002.patch
Hi [~andrew.wang]], thanks for reviewing the patch! I rebased it.
>
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SammiChen updated HDFS-11268:
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Description: Currently, FSImageFormatProtoBuf has the information about
whether the file is striped or
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SammiChen commented on HDFS-11268:
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Hi [~jojochuang]], you're right, EC policy ID is stored using
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SammiChen updated HDFS-11268:
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Summary: Correctly reconstruct erasure coding file from FSImage (was:
Persist erasure coding policy ID
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SammiChen updated HDFS-11268:
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Attachment: HDFS-11268-001.patch
Initial patch
> Correctly reconstruct erasure coding file from FSImage
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SammiChen updated HDFS-11268:
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Status: Patch Available (was: Open)
> Correctly reconstruct erasure coding file from FSImage
>
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SammiChen commented on HDFS-11268:
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Thanks Andrew!
> Correctly reconstruct erasure coding file from
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SammiChen updated HDFS-11152:
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Attachment: HDFS-11152-v2.patch
1. Add EC policy ID check when loading file from fsImage
2. Add EC policy
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SammiChen updated HDFS-8905:
Attachment: HDFS-8905-v13.patch
remove the unnecessary whitespace
> Refactor DFSInputStream#ReaderStrategy
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SammiChen updated HDFS-8905:
Comment: was deleted
(was: rebase the patch on latest trunk code )
> Refactor DFSInputStream#ReaderStrategy
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SammiChen updated HDFS-8905:
Attachment: HDFS-8905-v10.patch
rebase the patch on latest trunk code
> Refactor
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SammiChen updated HDFS-8905:
Attachment: (was: HDFS-8905-v10.patch)
> Refactor DFSInputStream#ReaderStrategy
>
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SammiChen updated HDFS-8905:
Attachment: HDFS-8905-v12.patch
fix check style reported issues
> Refactor DFSInputStream#ReaderStrategy
>
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SammiChen commented on HDFS-8905:
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fix the issue found in unit test failure
> Refactor
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SammiChen updated HDFS-8905:
Attachment: HDFS-8905-v11.patch
> Refactor DFSInputStream#ReaderStrategy
>
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SammiChen updated HDFS-8905:
Attachment: HDFS-8905-v15.patch
Rebased against the latest trunk code
> Refactor
SammiChen created HDFS-10795:
Summary: Refactor ReaderStrategy#ByteBufferStrategy
Key: HDFS-10795
URL: https://issues.apache.org/jira/browse/HDFS-10795
Project: Hadoop HDFS
Issue Type:
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SammiChen updated HDFS-10795:
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Assignee: SammiChen
Status: Patch Available (was: Open)
> Refactor
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SammiChen updated HDFS-10795:
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Attachment: HDFS-10795-v1.patch
upload the patch
> Refactor ReaderStrategy#ByteBufferStrategy
>
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SammiChen updated HDFS-8901:
Attachment: HDFS-8901-v19.patch
1. fix TestSnapshotFileLength test failure
2. fix 2 checkstyle issues. the
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SammiChen updated HDFS-8901:
Attachment: HDFS-8901-v20.patch
1. remove "//buffer.position(buffer.position() + bytesToRead)"
2. use
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SammiChen commented on HDFS-8901:
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Thanks Zhe! Thanks Kai!
bq. Why do we need to flip? In the previous
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SammiChen commented on HDFS-8901:
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1. Run {{hadoop.net.TestDNS}} locally, it passed without any failure.
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SammiChen commented on HDFS-8901:
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Thanks Zhe for take a lot of time review patch and give so many good
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SammiChen commented on HDFS-8901:
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attach patch v17, improve the code based on Zhe's good suggestions
>
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SammiChen updated HDFS-8901:
Attachment: HDFS-8901-v17.patch
> Use ByteBuffer in striping positional read
>
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SammiChen updated HDFS-8901:
Attachment: HDFS-8901-v18.patch
> Use ByteBuffer in striping positional read
>
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SammiChen commented on HDFS-8905:
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Thanks, Akira Ajisaka! Sure, I will look into it.
> Refactor
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SammiChen commented on HDFS-8905:
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Thanks, Akira Ajisaka! Sure, I will look into it.
> Refactor
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SammiChen updated HDFS-8905:
Comment: was deleted
(was: Thanks, Akira Ajisaka! Sure, I will look into it.)
> Refactor
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SammiChen commented on HDFS-10844:
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Thanks Akira Ajisaka and Allen Wittenauer for all the effort to
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SammiChen updated HDFS-10839:
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Attachment: HDFS-10839-v1.patch
implement the new readAll API
> Add new BlockReaderl#readAll(ByteBuffer
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SammiChen updated HDFS-10839:
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Status: Patch Available (was: Open)
> Add new BlockReaderl#readAll(ByteBuffer buf, int len) API
>
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SammiChen updated HDFS-10839:
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Status: Open (was: Patch Available)
> Add new BlockReaderl#readAll(ByteBuffer buf, int len) API
>
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SammiChen updated HDFS-10839:
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Attachment: HDFS-10839-v1.patch
> Add new BlockReaderl#readAll(ByteBuffer buf, int len) API
>
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SammiChen updated HDFS-10839:
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Attachment: (was: HDFS-10839-v1.patch)
> Add new BlockReaderl#readAll(ByteBuffer buf, int len) API
>
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SammiChen updated HDFS-10839:
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Status: Patch Available (was: Open)
> Add new BlockReaderl#readAll(ByteBuffer buf, int len) API
>
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SammiChen updated HDFS-10839:
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Description: Add a ByteBuffer version readAll API in BlockReader interface,
to facilitate read data from
SammiChen created HDFS-10839:
Summary: Add new BlockReaderl#readAll(ByteBuffer buf, int len) API
Key: HDFS-10839
URL: https://issues.apache.org/jira/browse/HDFS-10839
Project: Hadoop HDFS
Issue
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SammiChen commented on HDFS-8901:
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1. {{TestPread}} failure is fixed.
2.
{quote}
Looking back at the
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SammiChen commented on HDFS-8901:
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Thanks Zhe for contribute so much effort to review the patch and give
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SammiChen commented on HDFS-8957:
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For easy review, I created " HDFS-10861 Refactor StatefulStripeReader
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SammiChen updated HDFS-10861:
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Attachment: HDFS-10861-v2.patch
Fixed 3 checkstyle issues. Other 2 checkstyle issues are not necessary.
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SammiChen updated HDFS-10861:
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Attachment: HDFS-10861-v1.patch
> Refactor StatefulStripeReader and PositionStripeReader, use ECChunk
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SammiChen updated HDFS-10861:
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Status: Patch Available (was: Open)
> Refactor StatefulStripeReader and PositionStripeReader, use
SammiChen created HDFS-10861:
Summary: Refactor StatefulStripeReader and PositionStripeReader,
use ECChunk version decode API
Key: HDFS-10861
URL: https://issues.apache.org/jira/browse/HDFS-10861
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SammiChen updated HDFS-10895:
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Attachment: HDFS-10895-v4.patch
remove whitespaces
> Update HDFS Erasure Coding document about how to
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SammiChen updated HDFS-10895:
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Attachment: HDFS-10895-v2.patch
Rebase patch against latest trunk doc
> Update HDFS Erasure Coding
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SammiChen updated HDFS-10895:
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Attachment: HDFS-10895-v3.patch
Improve the document by leverage "Build instructions for
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SammiChen updated HDFS-10861:
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Attachment: HDFS-10861-v4.patch
After discussion with Kai, I re-factored the patch. Here is the
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SammiChen updated HDFS-10861:
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Attachment: HDFS-10861-v3.patch
extract StripeReader from DfsStripedInputStream class
> Refactor
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SammiChen updated HDFS-10861:
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Attachment: (was: HDFS-10861-v6.patch)
> Refactor StripeReaders and use ECChunk version decode API
>
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SammiChen updated HDFS-10861:
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Attachment: HDFS-10861-v6.patch
The broken link in {{StripedBlockUtil}} is also fixed.
> Refactor
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SammiChen updated HDFS-10861:
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Attachment: HDFS-10861-v6.patch
Fix 2 failed test cases
> Refactor StripeReaders and use ECChunk version
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SammiChen commented on HDFS-10861:
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Hadoop QA run the test with the old v5 patch
> Refactor
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SammiChen updated HDFS-10861:
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Attachment: HDFS-10861-v6.patch
Resubmit patch v6 to trigger Hadoop QA run the test against v6
>
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SammiChen updated HDFS-10861:
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Attachment: (was: HDFS-10861-v6.patch)
> Refactor StripeReaders and use ECChunk version decode API
>
SammiChen created HDFS-10895:
Summary: Update HDFS Erasure Coding document about how to enable
ISA-L library for erasure code codec
Key: HDFS-10895
URL: https://issues.apache.org/jira/browse/HDFS-10895
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SammiChen commented on HDFS-10861:
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Thanks Kai for take time review the patch and commit it!
> Refactor
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SammiChen updated HDFS-10861:
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Attachment: HDFS-10861-v5.patch
Update the patch,
1. fix 1 code style
2. refine code, import protected
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SammiChen commented on HDFS-8901:
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For question 4, why flip is not needed before? The reason is
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SammiChen updated HDFS-8901:
Attachment: HDFS-8901.v15.patch
changes based on v14 patch,
1. rebase the patch
2. fix item 1,2,5 from
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SammiChen commented on HDFS-8905:
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I run the failed unit cases locally with the latest HDFS trunk + this
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SammiChen updated HDFS-8905:
Attachment: HDFS-8905-v14.patch
Thanks for Kai's review and suggestion. I remove the unnecessary
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https://issues.apache.org/jira/browse/HDFS-8901?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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SammiChen updated HDFS-8901:
Attachment: HDFS-8901.v16.patch
Fix one style checker reported issue. Another reported issue is a false
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https://issues.apache.org/jira/browse/HDFS-8901?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=15445461#comment-15445461
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SammiChen commented on HDFS-8901:
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I rerun the unit test TestErasureCodeBenchmarkThroughput locally with
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https://issues.apache.org/jira/browse/HDFS-8901?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=15438489#comment-15438489
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SammiChen commented on HDFS-8901:
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Hi Zhe,
Thanks for your great effort to review the patch. Very good
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https://issues.apache.org/jira/browse/HDFS-10926?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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SammiChen updated HDFS-10926:
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Description: The Erasure coding background recovery work configuration
parameter names are stale in doc.
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https://issues.apache.org/jira/browse/HDFS-10926?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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SammiChen updated HDFS-10926:
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Description: The Erasure coding background recovery work configuration
parameter names are stale in doc.
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https://issues.apache.org/jira/browse/HDFS-10926?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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SammiChen reassigned HDFS-10926:
Assignee: SammiChen
> Erasure coding background recovery work configuration parameters name is
>
SammiChen created HDFS-10926:
Summary: Erasure coding background recovery work configuration
parameters name is stale in ErasureCode doc
Key: HDFS-10926
URL: https://issues.apache.org/jira/browse/HDFS-10926
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https://issues.apache.org/jira/browse/HDFS-10910?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=15531781#comment-15531781
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SammiChen commented on HDFS-10910:
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Thanks Yiqun for update the patch. The v2 patch seems good to me.
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SammiChen commented on HDFS-10910:
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It's great to add currently supported erasure coding policies in the
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https://issues.apache.org/jira/browse/HDFS-10895?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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SammiChen updated HDFS-10895:
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Attachment: HDFS-10895-v1.patch
Initial patch
> Update HDFS Erasure Coding document about how to enable
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SammiChen updated HDFS-10895:
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Status: Patch Available (was: Open)
> Update HDFS Erasure Coding document about how to enable ISA-L
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https://issues.apache.org/jira/browse/HDFS-10910?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=15537537#comment-15537537
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SammiChen commented on HDFS-10910:
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Holiday from Oct. 1 to Oct. 7, please expect no response. Thanks.
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SammiChen updated HDFS-10895:
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Attachment: HDFS-10895-v5.patch
Improve the patch after offline discussion with Kai.
> Update HDFS
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SammiChen updated HDFS-10910:
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Comment: was deleted
(was: Holiday from Oct. 1 to Oct. 7, please expect no response. Thanks.
)
> HDFS
SammiChen created HDFS-10994:
Summary: Support "XOR-2-1-64k" policy in "hdfs erasurecode" command
Key: HDFS-10994
URL: https://issues.apache.org/jira/browse/HDFS-10994
Project: Hadoop HDFS
Issue
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https://issues.apache.org/jira/browse/HDFS-10996?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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SammiChen updated HDFS-10996:
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Attachment: HDFS-10996-v2.patch
1. Fix checkstyle issues
2. Improve code based on Rakesh's suggestions
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SammiChen commented on HDFS-10996:
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Hi Rakesh, thank you very much for helping review the patch and give
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