Re: Upgrading production

2016-03-24 Thread Musty Rehmani
Keep the meta data backup before upgrade. Preferably on local machine. Do not finalize upgrade until you are OK with data availability  Musty  Sent from Yahoo Mail on Android On Wed, Mar 23, 2016 at 7:09 PM, Ravi Prakash wrote: Hi Chathuri! Technically there is a

Re: Upgrading production hadoop system from 2.5.1 to 2.7.2

2016-03-24 Thread Ravi Prakash
Hi Chathuri! You're welcome! We did not have an HBase instance to upgrade. It depends on how many blocks your datanodes are storing (== how big your disks are * how many disks you have * how full your disks are). What are those numbers for you? We experienced anywhere from 1-3 hours for the

RE: Yarn java client

2016-03-24 Thread Gwenhael Pasquiers
Don’t loose time on me ; I didn’t write a proper application master ☺ From: Gwenhael Pasquiers [mailto:gwenhael.pasqui...@ericsson.com] Sent: jeudi 24 mars 2016 15:07 To: Youzha Cc: user@hadoop.apache.org Subject: RE: Yarn java client Yes, and everything seems fine. The behavior just changed :

RE: Yarn java client

2016-03-24 Thread Gwenhael Pasquiers
Yes, and everything seems fine. The behavior just changed : now, once the container finished, the application goes into failed state, the diagnostics says : Application application_XXX failed 1 times due to AM Container for appattempt_X exited with exitCode: 0. For more detailed …

Re: Yarn java client

2016-03-24 Thread Youzha
have u check the logs? On Mar 24, 2016 8:12 PM, "Gwenhael Pasquiers" < gwenhael.pasqui...@ericsson.com> wrote: > Hi ; > > > > I’m sorry if this has already been ask but I didn’t find a solution. > > > > I’ve developed a Java program that make a bunch of operations on HDFS and > I now want to

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2016-03-24 Thread Julio Paulo
-- Julio Paulo.

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2016-03-24 Thread Marco Reis

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2016-03-24 Thread Marco Reis
On Thu, Mar 24, 2016 at 5:16 AM Chathuri Wimalasena wrote: > Hi Ravi, > > Thank you for all the information, Our application is indexing twitter > data to HBase and then do some data analytics on top of that. That's why > HDFS data is very important to us. We cannot

Re: Upgrading production hadoop system from 2.5.1 to 2.7.2

2016-03-24 Thread Chathuri Wimalasena
Hi Ravi, Thank you for all the information, Our application is indexing twitter data to HBase and then do some data analytics on top of that. That's why HDFS data is very important to us. We cannot tolerate any data loss with the update. Do you remember how long it took for you to upgrade it from