Questions tagged [storage]

Questions on efficient usage by Mathematica of disk storage (including SSD) and safely deleting Mathematica files no longer needed. Not to be confused with issues of short-term memory utilization. ("Memory" tag.)

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Sorting stored variables in memory

Given the list of stored variables Names@"`*" is it possible to sort them by size in used memory?
2 votes
0 answers

Store Mathematica results in an external rdbms

I want to store Mathematica results in an external rdbms, Postgres specifically. The Mathematica documentation talks a lot (eg in 'Relational Database Quick Start') about extracting data from external ...
1 vote
1 answer

Best structure to store a graph?

I have a weighted, undirected graph with weighted edges, that could be represented in mathematica by the following code for $N=3$ ...
2 votes
0 answers

How can I efficiently save multidimensional data that is retrievable by key?

I am doing some simulations in Mathematica, where I calculate a spectrum intensity(frequency) for a variation of parameters in my samples. So in the following image, for example, I vary the charge ...
1 vote
0 answers

Can I store output data in the Notebook file? Specifically output from NDSolve[ ]

I am having some outputs from NDSolve of the form {{x→InterpolatingFunction[…], y→InterpolatingFunction, … }} and the ...
2 votes
1 answer

Using HTTPRequest "Method"->"PUT" with photos in AWS S3

I'm able to post strings (text files) to AWS S3 using REST API's, but I can't post photos/files. Because the "content-length" or ByteCount of a Wolfram Language ...
11 votes
2 answers

Efficient way to storage large lists in a file(s)

Let us assume that I need to storage in a file, or files, data with the following form ...
5 votes
1 answer

Local Storage of Periodically Collected Data (without using DataDrop)

I would like to take periodic measurements (e.g. noise levels and temperature in my office from a Raspberry Pi, etc.), say, every minute and have a long-reaching record of this similar to Stephen's ...
2 votes
1 answer

Store large symbolic data in a binary format efficiently?

As far as I understand, the Binary Data feature of Mathematica can efficiently store raw numbers or elements of a given type to binary files. Is there a way to store a large symbolic expression (read -...
2 votes
0 answers

Using Mathematica notebooks with no local back end

My laptop is a Windows 10 Asus netbook with very little (32GB) storage space. I currently use an Ubuntu 18.04 computer for Mathematica, but I would like to be able to use it on my netbook instead. (I ...
0 votes
0 answers

CreateIntermediateDirectories->False gives error, why?

I am on windows 7, using 11.2 Created new folder, and new notebook in it, saved it, and then typed ...
19 votes
3 answers

How to keep downloaded curated data

If I run StarData[], Mathematica will download the entire database from its server, which is quite a lot of data and takes some time: "Downloading entities 17501 ...
10 votes
1 answer

Mathematica AppData folder is taking up too much space

I recently made a small app that I had issues with. I'm pretty sure it ended up being because of all the curated data to load. My problem now is that under the Windows 8.1 folder Users/Username/...