[jira] [Commented] (ARROW-909) libjemalloc.so.2: cannot open shared object file:

["Uwe L. Korn (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/ARROW-909?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15999551#comment-15999551 ] 

Uwe L. Korn commented on ARROW-909:
-----------------------------------

[~abdulrahman004] Did you have any special compilation/linking options set? Normally {{pyarrow/_config.so}} should not link to {{libjemalloc.so.2}}. If you are able to run {{lddtree pyarrow/_config.so}}, it would really help me to understand where the linkage is coming from.

I made PR https://github.com/apache/arrow/pull/651 to cover for the initial problem that when building jemalloc as an external project it should be statically linked as the shared library is not installed on {{make install}}.

> libjemalloc.so.2: cannot open shared object file: 
> --------------------------------------------------
>
>                 Key: ARROW-909
>                 URL: https://issues.apache.org/jira/browse/ARROW-909
>             Project: Apache Arrow
>          Issue Type: Bug
>         Environment: linux centos
>            Reporter: Abdul Rahman
>              Labels: pyarrow
>
> >>> import pyarrow
> Traceback (most recent call last):
>   File "<stdin>", line 1, in <module>
>   File "/home/default/src/venv/lib/python2.7/site-packages/pyarrow-0.2.1.dev244+g14bec24-py2.7-linux-x86_64.egg/pyarrow/__init__.py", line 28, in <module>
>     import pyarrow._config
> ImportError: libjemalloc.so.2: cannot open shared object file: No such file or directory
> $LD_LIBRARY_PATH has libarrow_jemalloc.a along with other libraries including libarrow.so,  libparquet.so, libparquet_arrow.so. Pyarrow was built using ----with-jemalloc and parquet-cpp was cmake-d with 
> -DPARQUET_ARROW=ON  
> Also, noticed that arrow/python documentation has been cleaned up with the installation instructions having the coda approach only .Is this the only supported way going forward ?



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