Edit: It looks like someone's already suggested merging chat for Meta Stack Exchange and Stack Exchange.

The proposed duplicate explains that Stack Overflow has its own server due to sheer volume of traffic. However, it doesn't explain why Meta Stack Exchange has its own server, having only 5 active rooms compared to Stack Exchange's 60 active rooms.

To differentiate my question, I've changed my scope to specifically ask why Meta Stack Exchange has a separate chat server

Original Post

The Stack Exchange network has three separate servers/subdomains for user chat.

Why do Stack Overflow, Meta Stack Exchange, and Stack Exchange use separate, independent chat servers instead of sharing one subdomain?

Having separate servers means that users can have three separate chat accounts without even realizing. I only recently realized that, in addition to my network and per-site profiles, I also had separate accounts for Stack Overflow Chat, Meta Chat, and Stack Exchange Chat.

Profiles are fully separate with different profile settings, ignored user lists, favorited rooms, bookmarked conversations, and parent users. Each server has its own unique users, rooms, and events.

I read a comment speculating the servers may have been separated to improve performance. That reasoning could explain why Stack Overflow (34 rooms) is separate from Stack Exchange (60 rooms). But if performance were the reason, why separate Meta Stack Exchange? As of posting, Meta only has 5 active rooms

*Note: This question is not about unique per-site domain URLs. See Why do some Stack Exchange sites have their own domain names?

  • Still a dupe. balpha clearly mentions MSO/MSE: "other than then-MSO, now-MSE, which is always a special case", so instead of a whole separate question, we can ask him to elaborate in that existing answer. Commented Jun 17, 2017 at 22:53
  • @ShadowWizard The linked question only asks about Stack Exchange. While the answer mentions MSE is a special case, it doesn't explain why it's a special case
    – Stevoisiak
    Commented Jun 17, 2017 at 22:58
  • 1
    There isn't really any outstanding reason other than "because it's Meta." Meta has long had a history of "just because" features.
    – animuson StaffMod
    Commented Jun 17, 2017 at 22:59
  • So like I said, I don't think this deserves a separate question. Commented Jun 17, 2017 at 22:59
  • 1
    @animuson Would it be acceptable to submit a separate feature request to have Meta chat merged with general SE?
    – Stevoisiak
    Commented Jun 17, 2017 at 23:00


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