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From Michel Segel <michael_se...@hotmail.com>
Subject Re: hbase-master-server slept
Date Thu, 14 Feb 2013 12:41:47 GMT
First, 
In the world of Hadoop, if it ain't broke don't fix it, may not be the best advice.
HBase is still evolving at a good pace and you want to be closer to the latest releases.
CDH4 is stable so that I would agree that going to CDH4 would be best.

Second.
You are running this as a single machine within the VM.

What does the hardware look like?
Number of cores, physical or virtual ?
How much memory?

What type of disks and where are they?
( attached or SAN?)




Sent from a remote device. Please excuse any typos...

Mike Segel

On Feb 14, 2013, at 1:16 AM, So Hibino <hibino.so@lab.ntt.co.jp> wrote:

> Hi,
> 
> The VM was rebooted last night because of the host server memory error.
> So the dmesg was cleared at the time of the isuue.
> 
> The below dmesg is new and the issue has not been happened yet.
> 
> Thank you,
> So
> 
> On 2013/02/14 15:10, So Hibino wrote:
>> Hi,
>> 
>> I pasted dmseg and syslog on pastebin.com.
>> 
>> URL is below.
>> 
>> dmseg
>> http://pastebin.com/t3i3KRJ8
>> 
>> syslog
>> http://pastebin.com/LcBRYMyX
>> 
>> Any messages wasn't output for the time spanning the isuue.
>> 
>> thank you,
>> So
>> 
>> 
>> On 2013/02/13 9:31, Jean-Daniel Cryans [via Apache HBase] wrote:
>>> 
>>> 
>>> messages and syslog please, just for the time spanning the issue.
>>> 
>>> J-D
>>> 
>>> On Tue, Feb 12, 2013 at 4:10 PM, So Hibino <hibino.so@lab.ntt.co.jp> wrote:
>>>> Hi,
>>>> 
>>>>> Can you post the dmesg and syslog spanning the time of the issue?
>>>> Is the syslog you mean /var/log/message ?
>>>> 
>>>> 
>>>> On 2013/02/13 4:00, Jean-Daniel Cryans [via Apache HBase] wrote:
>>>>> On Mon, Feb 11, 2013 at 8:06 PM, So Hibino <[hidden email] </user/SendEmail.jtp?type=node&node=4038442&i=0>>
wrote:
>>>>> 
>>>>>> master log
>>>>> 
>>>>> Unfortunately there's not much in there apart from the weird sleep
>>>>> times. At this point I'd consider OS-level issues.
>>>>> 
>>>>>> We doesn't use EC2,but this server works with KVM.
>>>>> 
>>>>> Can you post the dmesg and syslog spanning the time of the issue?
>>>>> Please use pastebin.com as it can be really hard to read the logs in
>>>>> emails.
>>>>> 
>>>>> Thx,
>>>>> 
>>>>> J-D
>>>>> 
>>>>> 
>>>>> ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------!
> -!
>>  --!
>>>>   ---
>>>>> If you reply to this email, your message will be added to the discussion
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>>>> 
>>>> --
>>>> H24.07より組織名が変わりました。
>>>> 
>>>> NTTサービスエボリューション研究所
>>>> 日比野 壮 (So Hibino)
>>>> 
>>>> 〒239-0847 横須賀市光の丘1-1 (320C)
>>>> TEL : 046-859-4582  FAX : 046-855-1282
>>>> e-mail : hibino.so@lab.ntt.co.jp
>>>> 
>>>> 
>>>> 
>>>> 
>>>> 
>>>> --
>>>> View this message in context: http://apache-hbase.679495.n3.nabble.com/hbase-master-server-slept-tp4038192p4038459.html
>>>> Sent from the HBase User mailing list archive at Nabble.com.
>>> 
>>> 
>>> 
>>> 
>>> _______________________________________________
>>> If you reply to this email, your message will be added to the discussion below:
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> 
> 
> -- 
> H24.07より組織名が変わりました。
> 
> NTTサービスエボリューション研究所
> 日比野 壮 (So Hibino)
> 
> 〒239-0847 横須賀市光の丘1-1 (320C)
> TEL : 046-859-4582  FAX : 046-855-1282
> e-mail : hibino.so@lab.ntt.co.jp
> 
> 
> 
> 
> 
> --
> View this message in context: http://apache-hbase.679495.n3.nabble.com/hbase-master-server-slept-tp4038192p4038516.html
> Sent from the HBase User mailing list archive at Nabble.com.

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