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MapReduce, mail # user - Prolonged safemode

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Re: Prolonged safemode
Harsh J 2013-01-20, 13:04
I am not aware of a direct regression in DN startup slowdown or block
report slowdown; its hard to tell what exactly the regression is without
more notes or logs on behavior.
On Sun, Jan 20, 2013 at 5:43 PM, Mohammad Tariq <[EMAIL PROTECTED]> wrote:

> Thank you so much for the valuable reply Harsh. I'll
> look into it. One quick question, why it it happening
> with 1.0.4? Is there any compulsion to set these two
> props, you have specified above. Earlier version were
> doing absolutely fine without these props?
> I am Sorry to be a pest of questions. But, I am kinda
> curious about this. Thank you so much.
> Warm Regards,
> Tariq
> https://mtariq.jux.com/
> cloudfront.blogspot.com
> On Sun, Jan 20, 2013 at 4:29 PM, Harsh J <[EMAIL PROTECTED]> wrote:
>> If your DN is starting too slow, then you should investigate why.
>> In any case, Apache Bigtop's (http://bigtop.apache.org)
>> pseudo-distributed configs provide good values for 1-node setups. In your
>> case, you seem to be missing dfs.safemode.min.datanodes set to 1,
>> and dfs.safemode.extension set to 0.
>> On Sun, Jan 20, 2013 at 4:05 AM, Mohammad Tariq <[EMAIL PROTECTED]>wrote:
>>> Hello list,
>>>        I have a pseudo distributed setup on my laptop. Everything was
>>> working fine untill now. But lately HDFS has started taking a lot of time
>>> to leave the safemode. Infact, I have to it manuaaly most of the times as
>>> TT and Hbase daemons get disturbed because of this.
>>> I am using hadoop-1.0.4. Is it a problem with this version? I have never
>>> faced any such issue with older versions. Or, is something going wrong on
>>> my side??
>>> Thank you so much for your precious time.
>>> Warm Regards,
>>> Tariq
>>> https://mtariq.jux.com/
>>> cloudfront.blogspot.com
>> --
>> Harsh J
Harsh J