# 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:** 2

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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 7, 2018, 1:49pm UTC](https://discourse.julialang.org/t/stack-overflow-when-merging-50000-dicts/10222/2 "2018-04-07T13:49:06Z")

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Okay, found a solution: `merge!(Dict(), a...)` is very fast…

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_[View the full topic](https://discourse.julialang.org/t/stack-overflow-when-merging-50000-dicts/10222)._