Several hour delay on both incoming and outgoing federation

Sorry to bother you again jerry 😅

For a few days I've been noticing very long delays on both incoming and outgoing federation. I've noticed the delay on submissions, comments, and votes. Since it's happening on both incoming and outgoing it seems to be a problem on our end rather than remote instances.

For example, five hours ago a new submission was posted on @australia (title: Therapeutic Goods Administration...), but this hasn't yet federated in as of posting this thread.

Around the same time I made a test comment out to @test5677754, but the comment is yet to reach the external instance.