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ilja 7695010268 Prune Objects --keep-threads option (#350)
This adds an option to the prune_objects mix task.
The original way deleted all non-local public posts older than a certain time frame.
Here we add a different query which you can call using the option --keep-threads.

We query from the activities table all context id's where
    1. the newest activity with this context is still old
    2. none of the activities with this context is is local
    3. none of the activities with this context is bookmarked
and delete all objects with these contexts.

The idea is that posts with local activities (posts, replies, likes, repeats...) may be interesting to keep.
Besides that, a post lives in a certain context (the thread), so we keep the whole thread as well.

Caveats:
* ~~Quotes have a different context. Therefore, when someone quotes a post, it's possible the quoted post will still be deleted.~~ fixed in AkkomaGang/akkoma#379
* Although undocumented (in docs/docs/administration/CLI_tasks/database.md/#prune-old-remote-posts-from-the-database), the 'normal' delete action still kept old remote non-public posts. I added an option to keep this behaviour, but this also means that you now have to explicitly provide that option. **This could be considered a breaking change!**
* ~~Note that this removes from the objects table, but not from the activities.~~ See AkkomaGang/akkoma#427 for that.

Some statistics from explain analyse:
(cost=1402845.92..1933782.00 rows=3810907 width=62) (actual time=2562455.486..2562455.495 rows=0 loops=1)
 Planning Time: 505.327 ms
 Trigger for constraint chat_message_references_object_id_fkey: time=651939.797 calls=921740
 Trigger for constraint deliveries_object_id_fkey: time=52036.009 calls=921740
 Trigger for constraint hashtags_objects_object_id_fkey: time=20665.778 calls=921740
 Execution Time: 3287933.902 ms

***
**TODO**
1. [x] **Question:** Is it OK to keep it like this in regard to quote posts? If not (ie post quoted by local users should also be kept), should we give quotes the same context as the post they are quoting? (If we don't want to give them the same context, I'll have to see how/if I can do it without being too costly)
    * See AkkomaGang/akkoma#379
2. [x] **Question:** the "original" query only deletes public posts (this is undocumented, but you can check the code). This new one doesn't care for scope. From the docs I get that the idea is that posts can be refetched when needed. But I have from a trusted source that Pleroma can't refetch non-public posts. I assume that's the reason why they are kept here. I see different options to deal with this
    1. ~~We keep it as currently implemented and just don't care about scope with this option~~
    2. ~~We add logic to not delete non-public posts either (I'll have to see how costly that becomes)~~
    3. We add an extra --keep-non-public parameter. This is technically speaking breakage (you didn't have to provide a param before for this, now you do), but I'm inclined to not care much because it wasn't documented nor tested in the first place.
3. [x] See if we can do the query using Elixir
4. [x] Test on a bigger DB to see that we don't run into a timeout
5. [x] Add docs

Co-authored-by: ilja <git@ilja.space>
Reviewed-on: AkkomaGang/akkoma#350
Co-authored-by: ilja <akkoma.dev@ilja.space>
Co-committed-by: ilja <akkoma.dev@ilja.space>
2023-01-09 22:15:41 +00:00
.gitea/issue_template Update '.gitea/issue_template/feat.yml' 2022-12-12 04:26:43 +00:00
benchmarks Merge branch 'benchmark-fixes' into 'develop' 2021-12-09 15:38:26 +00:00
ci CI: Use own package as base 2021-12-26 18:05:42 +01:00
config Mix format 2022-12-19 13:07:29 +00:00
docker-resources Don't listen Erlang Port Mapper Daemon (4369/tcp) on 0.0.0.0 2022-12-09 21:36:21 -05:00
docs Prune Objects --keep-threads option (#350) 2023-01-09 22:15:41 +00:00
installation remove comment about old openssl versions in nginx config 2022-12-22 19:27:16 -05:00
lib Prune Objects --keep-threads option (#350) 2023-01-09 22:15:41 +00:00
priv make 2fa UI less awful 2022-12-16 11:50:25 +00:00
rel Add installation note about flavour, support special cases (#222) 2022-09-20 11:04:26 +00:00
restarter fix_flaky_transfer_task_test.exs (#237) 2022-11-01 14:31:29 +00:00
scripts document prometheus 2022-12-16 10:24:36 +00:00
test Prune Objects --keep-threads option (#350) 2023-01-09 22:15:41 +00:00
uploads fix issues with the uploads directory 2019-04-28 06:43:00 +02:00
.buildpacks CI: Add auto-deployment via dokku. 2019-05-31 10:55:35 +02:00
.credo.exs Move Consistency.FileLocation to ./test 2020-10-13 19:57:45 +02:00
.dockerignore Docker builds (#231) 2022-10-16 19:25:54 +00:00
.formatter.exs .formatter.exs: Format optional migrations 2021-01-10 11:28:41 +03:00
.gitattributes Don't treat js/css as binary in git anymore 2022-12-23 18:03:14 +00:00
.gitignore allow users with admin:metrics to read app metrics 2022-12-16 03:32:51 +00:00
.mailmap Add myself to .mailmap 2021-02-15 13:19:44 +03:00
.woodpecker.yml fix tests broken by relay defaults changing (#314) 2022-11-26 20:45:47 +00:00
AGPL-3 LICENSE → AGPL-3 2019-04-01 00:31:21 +02:00
CC-BY-4.0 Add a copy of CC-BY-4.0 to the repo 2020-09-06 11:38:38 +03:00
CC-BY-SA-4.0 CC-BY-SA-4.0: Add a copy of the CC-BY-SA-4.0 license 2019-04-01 00:30:21 +02:00
CHANGELOG.md Prune Objects --keep-threads option (#350) 2023-01-09 22:15:41 +00:00
CODE_OF_CONDUCT.md add code of conduct (#129) 2022-08-03 10:55:11 +00:00
COPYING Remove reference to city.jpg in COPYING 2022-11-25 07:29:50 +00:00
coveralls.json exclude file_location check from coveralls 2020-10-13 16:44:01 +03:00
docker-compose.yml Add docker migration guide 2022-10-18 16:16:55 +01:00
docker-entrypoint.sh Docker builds (#231) 2022-10-16 19:25:54 +00:00
Dockerfile Don't listen Erlang Port Mapper Daemon (4369/tcp) on 0.0.0.0 2022-12-09 21:36:21 -05:00
elixir_buildpack.config Upgrade to Elixir 1.9 2020-06-16 13:18:29 +00:00
Makefile Documentation updates for stable release (#73) 2022-07-15 12:27:16 +00:00
mix.exs argon2 password hashing (#406) 2022-12-30 02:46:58 +00:00
mix.lock argon2 password hashing (#406) 2022-12-30 02:46:58 +00:00
Procfile CI: Add auto-deployment via dokku. 2019-05-31 10:55:35 +02:00
README.md Chores for 2022.11 2022-11-11 16:12:04 +00:00
SECURITY.md SECURITY.md: update supported versions to only 2.2 2020-10-15 21:45:31 +03:00
SIGNING_KEY.pub 2022.09 stable release chores (#206) 2022-09-10 14:44:17 +00:00

akkoma

a smallish microblogging platform, aka the cooler pleroma

English OK 日本語OK

About

This is a fork of Pleroma, which is a microblogging server software that can federate (= exchange messages with) other servers that support ActivityPub. What that means is that you can host a server for yourself or your friends and stay in control of your online identity, but still exchange messages with people on larger servers. Akkoma will federate with all servers that implement ActivityPub, like Friendica, GNU Social, Hubzilla, Mastodon, Misskey, Peertube, and Pixelfed.

Akkoma is written in Elixir and uses PostgreSQL for data storage.

For clients it supports the Mastodon client API with Pleroma extensions (see the API section on https://docs.akkoma.dev/stable/).

Differences with Pleroma

Akkoma is a faster-paced fork, it has a varied and potentially experimental feature set tailored specifically to the corner of the fediverse inhabited by the project creator and contributors.

This should not be considered a one-for-one match with pleroma; it is more opinionated in many ways, and has a smaller community (which is good or bad depending on your view)

For example, Akkoma has:

  • Custom Emoji reactions (compatible with misskey)
  • Misskey-flavoured markdown support
  • Elasticsearch and Meilisearch support for search
  • Mastodon frontend (Glitch-Soc and Fedibird flavours) support
  • Automatic post translation via DeepL or LibreTranslate
  • A multitude of heavy modifications to the Pleroma Frontend (Pleroma-FE)
  • The "bubble" concept, in which instance administrators can choose closely-related instances to make a "community of communities", so to say

And takes a more opinionated stance on issues like Domain blocks, which are enforced far more on Akkoma.

Take a look at the Changelog if you want a full list of recent changes, everything since 3.0 has been Akkoma.

Installation

If you are running Linux (glibc or musl) on x86, the recommended way to install Akkoma is by using OTP releases. OTP releases are as close as you can get to binary releases with Erlang/Elixir. The release is self-contained, and provides everything needed to boot it. The installation instructions are available here.

From Source

If your platform is not supported, or you just want to be able to edit the source code easily, you may install Akkoma from source.

Docker

Docker installation is supported via this setup

Compilation Troubleshooting

If you ever encounter compilation issues during the updating of Akkoma, you can try these commands and see if they fix things:

  • mix deps.clean --all
  • mix local.rebar
  • mix local.hex
  • rm -r _build

Documentation