# Stack overflow when merging 50000 dicts

**URL:** <https://discourse.julialang.org/t/stack-overflow-when-merging-50000-dicts/10222>\
**Category:** New to Julia\
**Created:** [April 7, 2018, 1:42pm UTC](https://discourse.julialang.org/t/stack-overflow-when-merging-50000-dicts/10222 "2018-04-07T13:42:37Z")\
**Posts on this page:** 1\
**Showing post:** 14

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**Author:** ![innerlee](https://avatars.discourse-cdn.com/v4/letter/i/b19c9b/32.png) [@innerlee](https://discourse.julialang.org/u/innerlee)\
**Post date:** [April 9, 2018, 9:08am UTC](https://discourse.julialang.org/t/stack-overflow-when-merging-50000-dicts/10222/14 "2018-04-09T09:08:46Z")

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Most of the dicts have only one key, and about 1/5 of the dicts have two keys. This heterogeneity is the reason why I choose Dict as storage.

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