# Parallel IO

**URL:** <https://discourse.julialang.org/t/parallel-io/1390>\
**Category:** General Usage\
**Created:** [January 10, 2017, 1:09pm UTC](https://discourse.julialang.org/t/parallel-io/1390 "2017-01-10T13:09:01Z")\
**Posts on this page:** 1\
**Showing post:** 2

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**Author:** ![catawbasam](https://sea2.discourse-cdn.com/julialang/user_avatar/discourse.julialang.org/catawbasam/32/2936_2.png) [@catawbasam](https://discourse.julialang.org/u/catawbasam)\
**Post date:** [January 10, 2017, 5:24pm UTC](https://discourse.julialang.org/t/parallel-io/1390/2 "2017-01-10T17:24:00Z")

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Maybe this post will help–

> [@Using Threads with I/O to processing many files in parallel](https://discourse.julialang.org/t/using-threads-with-i-o-to-processing-many-files-in-parallel/1112/2):
>
> I tried this. Seems to work for smaller number of parallelFiles. Although, running it for 1000, I end up with only about 730-750 files. Rerunning a few times and I get the crash. I am wondering if your running into the OS limitation of a maximum number of open files per process. Maybe if the GC is slow to fully close and clear some of the files.

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