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From "mohit.kaushik" <mohit.kaus...@orkash.com>
Subject Re: Mini Accumulo Cluster reusing the directory
Date Thu, 17 Sep 2015 12:20:20 GMT
Thanks Josh :)

On 09/17/2015 10:09 AM, Josh Elser wrote:
> And, to be explicit, if you want to configure not-MiniAccumuloCluster 
> to use the local FS (you only run on one node), just use file:///... 
> in instance.volumes (or instance.dfs.uri) instead of 
> hdfs://namenode:port/...
>
> Wasn't sure if it would be implied to look at how MAC does this from 
> my previous response.
>
> Josh Elser wrote:
>> MiniAccumuloCluster by default already uses the local file system.
>>
>> To get the correct sync semantics that Keith mentioned you need to set
>> "fs.file.impl" in the Hadoop Configuration you pass to the
>> MiniAccumuloConfig.
>>
>> See
>> https://github.com/apache/accumulo/blob/master/test/src/main/java/org/apache/accumulo/test/VolumeIT.java#L113

>>
>> for code.
>>
>> mohit.kaushik wrote:
>>> Keith,
>>>
>>> How can I configure Accumulo to use local file system???
>>>
>>> On 09/17/2015 01:11 AM, Keith Turner wrote:
>>>> Would you be able to provide more informaiton about your use case?
>>>> Was wondering if other solutions could be of use, like configuring
>>>> regular Accumulo to use the local filesystem. This can be done, but
>>>> care needs to be taken to make walogs work correctly. If interested
>>>> I could provide more info about this configuration.
>>>>
>>>> On Wed, Sep 16, 2015 at 9:20 AM, Sven Hodapp
>>>> <sven.hodapp@scai.fraunhofer.de
>>>> <mailto:sven.hodapp@scai.fraunhofer.de>> wrote:
>>>>
>>>> Hi there,
>>>>
>>>> is it possible for MiniAccumuloCluster to reuse a given directory?
>>>> Sadly, I haven't found anything in the docs?
>>>>
>>>> I’ll fire up my instance like this:
>>>>
>>>> val dict = new File("/tmp/accumulo-mini-cluster")
>>>> val accumulo = new MiniAccumuloCluster(dict, "test“)
>>>>
>>>> If I’ll restart my JVM it will raise a error like this:
>>>>
>>>> Exception in thread "main" java.lang.IllegalArgumentException:
>>>> Directory /tmp/accumulo-mini-cluster is not empty
>>>>
>>>> It would be nice if the data can survive a JVM restart and the
>>>> folder structure must not be constructed every time.
>>>>
>>>> Thanks a lot!
>>>>
>>>> Regards,
>>>> Sven
>>>>
>>>> -- 
>>>> Sven Hodapp M.Sc.,
>>>> Fraunhofer Institute for Algorithms and Scientific Computing SCAI,
>>>> Department of Bioinformatics
>>>> Schloss Birlinghoven, 53754 Sankt Augustin, Germany
>>>> sven.hodapp@scai.fraunhofer.de <mailto:sven.hodapp@scai.fraunhofer.de>
>>>> www.scai.fraunhofer.de <http://www.scai.fraunhofer.de>
>>>>
>>>>
>>>
>>>
>>> -- 
>>>
>>> *Mohit Kaushik*
>>> Software Engineer
>>> A Square,Plot No. 278, Udyog Vihar, Phase 2, Gurgaon 122016, India
>>> *Tel:*+91 (124) 4969352 | *Fax:*+91 (124) 4033553
>>>
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>


-- 
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*Mohit Kaushik*
Software Engineer
A Square,Plot No. 278, Udyog Vihar, Phase 2, Gurgaon 122016, India
*Tel:*+91 (124) 4969352 | *Fax:*+91 (124) 4033553

<http://politicomapper.orkash.com>interactive social intelligence at work...

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