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Re: persistent data feature
From: |
Ihor Radchenko |
Subject: |
Re: persistent data feature |
Date: |
Sat, 11 Dec 2021 09:30:08 +0800 |
Stefan Monnier <monnier@iro.umontreal.ca> writes:
>> There will, of course, be large amounts of data, and that will be slow.
>> (People already do this with a number things, and the results are
>> predictably sluggish.)
>
> To help me understand this discussion, I think it would help me to have
> examples of such large databases currently implemented as text files,
> along with an idea of what "large" means in this context (how many MBs)
> and where the "slow"ness manifests itself.
I can think of two examples of large text databases: elfeed and recent
org-mode's caching (org-persist).
The slowness manifests itself on reading/printing(saving) the database
and from the requirement to load the whole database into memory for
queries.
We are talking about 300Mb for elfeed and up to 20-30Mb per object
(usually below 1Mb though) for org-persist with 100-200Mb total object
size.
Best,
Ihor
- Re: persistent data feature, (continued)
- Re: persistent data feature, Lars Ingebrigtsen, 2021/12/10
- Re: persistent data feature, Stefan Monnier, 2021/12/10
- Re: persistent data feature, Matt Armstrong, 2021/12/10
- Re: persistent data feature, Stefan Monnier, 2021/12/10
- Re: persistent data feature, Ihor Radchenko, 2021/12/10
- Re: persistent data feature, Matt Armstrong, 2021/12/11
- Re: persistent data feature, Tassilo Horn, 2021/12/10
- Re: persistent data feature, Qiantan Hong, 2021/12/10
- Re: persistent data feature, Stefan Monnier, 2021/12/10
- Re: persistent data feature, Tassilo Horn, 2021/12/10
- Re: persistent data feature,
Ihor Radchenko <=
- Re: persistent data feature, Stefan Monnier, 2021/12/11
- Re: persistent data feature, Qiantan Hong, 2021/12/11
- Re: persistent data feature, Ihor Radchenko, 2021/12/11
- Re: persistent data feature, Alexandre Garreau, 2021/12/11
- Re: persistent data feature, Qiantan Hong, 2021/12/12
- Re: persistent data feature, Ihor Radchenko, 2021/12/12
- Re: persistent data feature, Tomas Hlavaty, 2021/12/11
- Re: persistent data feature, Alexandre Garreau, 2021/12/11
- Re: persistent data feature, Tomas Hlavaty, 2021/12/11
- Re: persistent data feature, Eli Zaretskii, 2021/12/11