Unable to share files on Private Chat #1
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When I open a private chat in Butter, I can send messages and run polls, but I am unable to send images or videos.
On the sender's side I see the file in the chat with a "Retry" label at the top.
On the receiver's side, I see an empty message.
I think this is related to what I've been seeing. I don't think it is anything specific to private chat / DMs. It is just that sqlite is very slow and the db is getting locked.
We need to tune sqlite somehow OR move to postgres.
https://element-hq.github.io/dendrite/installation/planning
Dendrite can run with either a PostgreSQL or a SQLite backend. There are considerable tradeoffs to consider:
PostgreSQL: Needs to run separately to Dendrite, needs to be installed and configured separately and will use more resources over all, but will be considerably faster than SQLite. PostgreSQL has much better write concurrency which will allow Dendrite to process more tasks in parallel. This will be necessary for federated deployments to perform adequately.
SQLite: Built into Dendrite, therefore no separate database engine is necessary and is quite a bit easier to set up, but will be much slower than PostgreSQL in most cases. SQLite only allows a single writer on a database at a given time, which will significantly restrict Dendrite’s ability to process multiple tasks in parallel.