In total 110 distinct labels for all nodes. So, each label has a large 
number of corresponding nodes in datagraph.
The problem was originally from my code.

On Tuesday, October 4, 2016 at 8:24:52 PM UTC-7, Mohammad Hossain Namaki 
wrote:
>
> Hi,
> I've imported a huge dataset into Neo4j. 33M nodes and 144M 
> relationships. Thanks to Neo4j makers, "neo4j-importer" was very efficient. 
> However, I'm getting (Too many open files) errors. 
>
>
> ...
>
> Caused by: java.nio.file.FileSystemException: 
> /fastscratch/mnamaki/idsForExp/idsAttackDB/schema/
> *label/lucene/labelStore/1*: *Too many open files*
>
>
> I've read some question/answer regarding this. However, I'm not the 
> administrator of the system that I run my java code on there. I'm using 
> Neo4j 3.0 using java API. 
>
> So, I cannot increase the hard-limit of no-files which is 10240 in the 
> linux server that I have.
>
>
> Is there any way that I can shut down this feature of Neo4j? I didn't 
> "index" anything explicitly and just used a command to import nodes and 
> relationships there.
>
> Or
>
> Is there any way that I can handle this without admin priviledge?
>
>
> How can I understand how many number of files this dataset is required?
>
>
> Thanks.
>

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