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Questions tagged [storage]

Details on how data is being kept in memory/on disks, most frequently being applied to databases, media banks and backup-recovery solutions.

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Storing Images in DB - Yea or Nay?

So I'm using an app that stores images heavily in the DB. What's your outlook on this? I'm more of a type to store the location in the filesystem, than store it directly in the DB. What do you think are the pros/cons?
James Hall
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What's the difference between CharField and TextField in Django?

The documentation says that CharField() should be used for smaller strings and TextField() should be used for larger strings. Okay, but where is the line drawn between "small" and "large"? What's going on under the hood here that makes this the…
Jonathan Gleason
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AWS EFS vs EBS vs S3 (differences & when to use?)

As per the title of this question, what are the practical differences between AWS EFS, EBS and S3? My understanding of each: S3 is a storage facility accessible any where EBS is a device you can mount onto EC2 EFS is a file system you can mount…
Integralist
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What column type/length should I use for storing a Bcrypt hashed password in a Database?

I want to store a hashed password (using BCrypt) in a database. What would be a good type for this, and which would be the correct length? Are passwords hashed with BCrypt always of same length? EDIT Example…
helpermethod
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Repository size limits for GitHub.com

Lately I have been using GitHub and I am wondering what is the repository size limit for files hosted on github.com?
user6510107
248
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14 answers

What are the main performance differences between varchar and nvarchar SQL Server data types?

I'm working on a database for a small web app at my school using SQL Server 2005. I see a couple of schools of thought on the issue of varchar vs nvarchar: Use varchar unless you deal with a lot of internationalized data, then use nvarchar. Just…
Jason Baker
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Android: Storing username and password?

If I want to store the username and password to be used inside an Android application, what is the best way to do it? Is it through the preferences screen (but what if the user misses this?), or pop up a dialog box and ask the user for the…
Legend
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keep rsync from removing unfinished source files

I have two machines, speed and mass. speed has a fast Internet connection and is running a crawler which downloads a lot of files to disk. mass has a lot of disk space. I want to move the files from speed to mass after they're done downloading.…
aaronsw
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How to Get True Size of MySQL Database?

I would like to know how much space does my MySQL database use, in order to select a web host. I found the command SHOW TABLE STATUS LIKE 'table_name' so when I do the query, I get something like this: Name | Rows | Avg. Row Length |…
marvin
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Best way to synchronize local HTML5 DB (WebSQL Storage, SQLite) with a server (2 way sync)

I am developing a mobile web application (for iPhone & Android) with a local database (using html5 webstorage) so my app is still usable when the user is offline. This is working perfectly, but I want to save the local data on a server. So I need to…
Samuel
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What is the difference between persistent volume (PV) and persistent volume claim (PVC) in simple terms?

What is the difference between persistent volume (PV) and persistent volume claim (PVC) in Kubernetes/ Openshift by referring to documentation? What is the difference between both in simple terms?
smc
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What are Transient and Volatile Modifiers?

Can someone explain what the transient and volatile modifiers mean in Java?
Vijay Bhaskar Semwal
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125
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IOPS versus Throughput

What is the key difference between IOPS and Throughput in large data storage? Does file size have an effect on IOPS? Why?
halilenver
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How much storage would be required to store a human genome?

I'm looking for the amount of storage in bytes (MB, GB, TB, etc.) required to store a single human genome. I read a few articles on Wikipedia about DNA, chromosomes, base pairs, genes, and have some rough guess, but before disclosing anything I'd…
Milan Babuškov
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Moving android-sdk and sdk folders to another drive

My windows is on a 128GB ssd hard drive and it's running out of space. the folder C:\Users\User\AppData\Local\Android has 2 folders android-sdk and sdk folders that use about 30GB of space. Is it possible to move these folders to an external hard…
Ashkan Mobayen Khiabani
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