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Han Xiao commented on HDFS-4516:
The revision is elegant. We are benefit from the modified
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Han Xiao commented on HDFS-4154:
Sorry for the format before.
Hi, Uma
There has been a tes
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Han Xiao commented on HDFS-4154:
Hi, Uma
There has been a testcase for the concurrentFormat
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Han Xiao commented on HDFS-4750:
This feature is intersting.
However, I'am sorry for not h
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Han Xiao commented on HDFS-4154:
Ok, i will do it.
> BKJM: Two namenodes u
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Han Xiao updated HDFS-4516:
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Attachment: HDFS-4516.txt
raw patch
> Client crash after block allocation and NN switch befor
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Han Xiao commented on HDFS-4516:
i perfer to add confirmAddBlock since that make fsync not
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Han Xiao commented on HDFS-4516:
Yes, i also find this problem.
We need another rpc method
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Han Xiao commented on HDFS-4516:
For second method, we could revise like that:
1. for serve
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Han Xiao commented on HDFS-4516:
Hi Uma.
For the first method. There is also problem that t
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Han Xiao commented on HDFS-4608:
duplated to HDFS-4516
> A File could not
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Han Xiao updated HDFS-4608:
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Description:
In such steps. A file would not be recoveried forever.
1. create a file
2. write data and flush
3
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Han Xiao commented on HDFS-4608:
if the NN not restarted in such a senario, the problem wou
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Han Xiao updated HDFS-4608:
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Description:
In such steps. A file would not be recoveried forever.
1. create a file
2. write data and flush
3
Han Xiao created HDFS-4608:
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Summary: A File could not be recovery, when a block is added to it
in nn, but not created in dn.
Key: HDFS-4608
URL: https://issues.apache.org/jira/browse/HDFS-4608
Project: Hado
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Han Xiao commented on HDFS-4154:
sorry for updating the patch until now. :D
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Han Xiao updated HDFS-4154:
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Attachment: HDFS-4154.patch
> BKJM: Two namenodes usng bkjm can race to create the version znode
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Han Xiao commented on HDFS-4154:
Ok.
> BKJM: Two namenodes usng bkjm can r
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Han Xiao updated HDFS-4130:
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Fix Version/s: 2.0.3-alpha
Hadoop Flags: Reviewed
Status: Patch Available (was: In Progress)
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Work on HDFS-4130 started by Han Xiao.
> BKJM: The reading for editlog at NN starting using bkjm is not efficient
> --
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Han Xiao commented on HDFS-4154:
We have repair it in our internal version. I could upload
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Han Xiao commented on HDFS-3908:
@Uma
You are right for the understanding. Two points:
1. I
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Han Xiao updated HDFS-4130:
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Attachment: HDFS-4130-v3.patch
> BKJM: The reading for editlog at NN starting using bkjm is not efficient
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Han Xiao updated HDFS-4130:
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Attachment: (was: HDFS-4130-v3.patch)
> BKJM: The reading for editlog at NN starting using bkjm is no
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Han Xiao updated HDFS-4130:
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Attachment: HDFS-4130-v3.patch
Reasonable suggestion. Accept it.
> BKJM: The reading for edit
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Han Xiao updated HDFS-4130:
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Attachment: HDFS-4130-v2.patch
Nice suggestion, thanks for Uma.
> The reading for editlog at
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Han Xiao commented on HDFS-4130:
Hi Uma,
There are thousands of them. The default configur
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Han Xiao updated HDFS-4130:
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Description:
Now, the method of BookKeeperJournalManager.selectInputStreams is written like:
while (true)
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Han Xiao updated HDFS-4130:
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Description:
Now, the method of BookKeeperJournalManager.selectInputStreams is written like:
while (true)
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Han Xiao updated HDFS-4130:
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Attachment: HDFS-4130.patch
patch available
> The reading for editlog at NN starting using bk
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Han Xiao updated HDFS-4130:
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Status: Open (was: Patch Available)
Not find the option to submit the patch?
> The reading f
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Han Xiao updated HDFS-4130:
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Target Version/s: 2.0.2-alpha
Status: Patch Available (was: Open)
> The reading for editlog
Han Xiao created HDFS-4130:
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Summary: The reading for editlog at NN starting using bkjm is not
efficient
Key: HDFS-4130
URL: https://issues.apache.org/jira/browse/HDFS-4130
Project: Hadoop HDFS
Is
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Han Xiao commented on HDFS-3908:
Hi Vinay,
We could trust Shared Storage, but it is not to
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Han Xiao commented on HDFS-3908:
to Uma:
It is different, HDFS-3769 come from write local f
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Han Xiao commented on HDFS-3908:
I think we could change the loading of editlogs a little w
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Han Xiao updated HDFS-3908:
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Summary: In HA mode, when there is a ledger in BK missing, which is
generated after the last checkpoint, NN ca
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Han Xiao updated HDFS-3908:
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Description:
If not HA, when the num of edits.dir is larger than 1. Missing of one editlog
file in a dir will
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Han Xiao updated HDFS-3908:
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Description:
If not HA, when the num of edits.dir is larger than 1. Missing of one editlog
file in a dir will
Han Xiao created HDFS-3908:
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Summary: In HA mode, when there is a ledger in BK, which is
generated after the last checkpoint, missing, NN can't recover it.
Key: HDFS-3908
URL: https://issues.apache.org/jira/browse/HDFS-3
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Han Xiao commented on HDFS-3586:
Uma, you are right. In my comments, there also be a condit
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Han Xiao commented on HDFS-3586:
Hi Uma, why not provide a configuration item. Then user ca
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