# \#ncdatasets

**URL:** https://discourse.julialang.org/tag/ncdatasets/1442.md

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## [NCDatasets: performance issues deriving fast Minimum Maximum value as too slow](https://discourse.julialang.org/t/ncdatasets-performance-issues-deriving-fast-minimum-maximum-value-as-too-slow/118468)

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**Author:** [@JosephPollacco](https://discourse.julialang.org/u/JosephPollacco)\
**Replies:** 12\
**Last updated:** [August 23, 2024, 4:14am UTC](https://discourse.julialang.org/t/ncdatasets-performance-issues-deriving-fast-minimum-maximum-value-as-too-slow/118468 "2024-08-23T04:14:54Z")

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:turtle: :turtle: :turtle: :turtle: Finding minimum and maximum of a NetCDF files due to missing values is painfully slow. It takes me 2 minutes to perform this simple task: "NameOutput="SoilWater" Output\_NCDatasets =…

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## [Why is this type unstable?](https://discourse.julialang.org/t/why-is-this-type-unstable/104124)

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**Author:** [@yvikhlya](https://discourse.julialang.org/u/yvikhlya)\
**Replies:** 11\
**Last updated:** [September 22, 2023, 11:25am UTC](https://discourse.julialang.org/t/why-is-this-type-unstable/104124 "2023-09-22T11:25:31Z")

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using Glob, NCDatasets const colpath="path\_to\_data" ncload(ds, ::Type{Array{T,N}}) where {T,N} = ds\["T"\]\[:,:,:,:\]::Array{T,N} function foo() files=glob("\*.??????.nc4",colpath) NCDataset(files\[1\]) do ds …