Support custom database options in addition to --datadir

[bbyars]

The --datadir CLI flag introduced a file-based database, but it runs into file locking issues at load. Rather than coupling to a specific database technology, it would be better to add custom support (analagous to the --formatter flag). The impostersRepository has now defined a JavaScript interface (even if it's quite clunky), allowing module inclusion.

[gePower]

Hi, can you assign me to the issue?

[bbyars]

Before you spend time on it, let me check on a parallel initiative first. I'd talked to someone else about this using a plugin model.

[gePower]

Perfect !

[jbadeau]

what about something like https://knexjs.org/?

[gePower]

Intressting, there is https://sequelize.org/ too or mongoose !

[TetsujinOni]

I'll note that in extreme cases, --datadir will exhaust the filesystem it's running on when request-recording is enabled and a high number of requests are made in load-testing scenarios. A less incompressible backend for imposters could be useful independently of a generative imposter.

[bbyars]

Yep. There's a mongo db implementation in the works that should be a much more robust solution. The --datadir did at least force creating the right interface (and a painful refactoring from sync operations to async), but having a pluggable persistence mechanism is the next step. -Brandon

On Mon, Oct 10, 2022 at 3:05 PM Jonathan Choy @.***> wrote:

I'll note that in extreme cases, --datadir will exhaust the filesystem it's running on when request-recording is enabled and a high number of requests are made in load-testing scenarios. A less incompressible backend for imposters could be useful independently of a generative imposter.

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