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Slack Running Slow / Hanging?
186 points by seibelj on Jan 4, 2021 | hide | past | favorite | 73 comments
Don't see much online but it's getting unusable for me


Same as me, yet the status page still saying OK.

HackerNews is starting to become the real status page. It even spans multiple services! I remember I learned about Google and YouTube down also from HN.


For me the status page says "Customers may have trouble loading messages or connecting to Slack"


The status page has now been updated [0]:

> Customers may have trouble loading channels or connecting to Slack at this time. Our team is investigating and we will follow up with more information as soon as we have it. We apologize for any disruption caused.

- Jan 4, 10:14 AM EST

[0]: https://status.slack.com/


now they've upgraded from incident to outage and impact for all services.

We're continuing to investigate connection issues for customers, and have upgraded the incident on our side to reflect an outage in service. All hands are on deck on our end to further investigate. We'll be back in a half hour to keep you posted.


This was an interesting failure; in that I was able to see functionality decreasing as I used it

- 45m ago - 5s delay when clicking on a thread

- 15m ago - stopped being able to open threads, but could still browse topics in channels

- 10m ago - channel view stopped rendering icons & user photos

- 5m ago - unable to view topics in a channel


- 1m ago, completely halted. Can't load desktop application, Android app is unresponsive.


for a brief period, I had an interesting glitch where my messages were reordered on my screen (A,B to B,A and back within a few milliseconds)


Yes, noticed slow message sending and then now slack will not open on desktop. On web it shows

"Server Error

It seems like there’s a problem connecting to our servers, and we’re investigating the issue.

Please check our Status page for updates."

and on the slack status page it's all green

EDIT: interestingly, the help pages are all down for me as well https://slack.com/help/articles/205138367-Troubleshoot-conne...


The incident appears to be acknowledged now: https://status.slack.com/2021-01/9ecc1bc75347b6d1


DownDetector [1] is sometimes a better status page.

[1] - https://downdetector.com/


It reports several services which started facing increased error rates at the same time: Slack, Webull, Robinhood, Vanguard, IRS, Apex Legends


Also AWS, yet the AWS status page shows all is well. I wonder if all the down services are due to AWS.


They probably scaled down their infrastructure over the holidays, but now that everyone is back at work they're underprovisioned.


Was my first though too, really looks like they scale down based on the average of the last 2 weeks, but obviously this last 2 weeks would have been extremely low.


ahhh this is a much better theory than mine: my first thought was the lifting of a holiday deploy freeze.


Oh man I didn't even think of that one


You'd think at their size of their team they'd understand that they would need to scale back up in anticipation of the post holiday return to work.

Slack has the most outages of any major company.


Hmm so 2021 is the year they switch to k8s for fast scale up and multiple engineers get a promo out of it?


My thought was everyones local cache was expired and it's re-syncing everyone. Supposedly they run vitess for mysql sharding, and that could mean they're getting slammed by a lot of scatter or cross shard queries they can normally handle.


I hope that's the issue.


Down for me too - it's a great time to check out an alternative! :) https://async.dev

(I'm the founder/builder of async - happy to answer any questions if you're interested!)


Down here too. No updates on Twitter either: https://twitter.com/SlackStatus



I keep thinking about this quote from Dr. Strangelove: "Yes, but the... whole point of the doomsday machine(or in this case, the status page)... is lost... if you keep it a secret! Why didn't you tell the world, eh?"


Updated about three minutes after your comment. Twitter too.

> Customers may have trouble loading channels or connecting to Slack at this time. Our team is investigating and we will follow up with more information as soon as we have it. We apologize for any disruption caused.


It is still lying by showing almost services as green with "No issues"

  Login/SSO -- No issues
  Connections -- Something's not quite right View details
  Messaging --  Something's not quite right View details
  Link Previews -- No issues
  Posts/Files -- No issues
  Notifications -- No issues
  Calls -- No issues
  Search -- No issues
  Apps/Integrations/APIs -- No issues
  Workspace/Org Administration -- No issues

----

they set everything to "red" 16:40 UTC


Lies, damn lies, statistics, status pages.


:this-is-fine:


An update has now been posted to that account: https://twitter.com/SlackStatus/status/1346112838176149505.

Text below:

Customers may experience issues connecting to Slack to loading channels at this time. Our team is on the case and we will keep you posted. Apologies for any disruption.


Down for me on work + personal accounts.

I guess their holiday deploy freeze is lifted? :-)


For folks who have this outage. How much does this downtime coat you? Or your team? Or, since Slack is down can focus w/o interruption?


I have to rely on Teams now, the horror. God forbid I have to start using the telephone next!

On a more serious note, downtime is not that bad, it probably allows me to focus without interruption for a bit, but will quickly create problems. Being the first day of the year, there is a lot of quarterly planning going on and many colleagues are reaching out for this. There is also the flurry of typical support queries after a break of nearly two weeks, at least for most.


Same for me, but nothing shown on their status page (as of 10:03AM eastern) https://status.slack.com/


I am in the UK, and Slack is very slow indeed. I can see message notifications popping up, but I struggle to read them as Slack is hanging. No official outage reported as of yet.


Happening for me too. It's showing a blank screen when I navigate to a channel/DM.


“Customers may have trouble loading messages or connecting to Slack” https://status.slack.com/2021-01/9ecc1bc75347b6d1


Half of the world joined the standup call at the same time and prob DDoSed slack.


As ever, a fine demonstration of the disconnect between uptime and status pages. For any fairly large service HN and twitter are a far more reliable source.

Which begs the question, how are these things checked?


The status page of our app has failed due to so many reasons, eventually I just let the status page perform a few tasks a user would do, and undo them after that.

Not visiting a special status url, but basically running an e2e test suite on production.

It runs every 5 minutes.


Appears to be global, people at my company in North America and Europe have said it's inaccessible.

Starting to become a regular occurrence!


Everyone's headed back to work! I'm having trouble on my phone, but the web version seems fine to me.


Does anyone have a fallback solution for such situations? WhatsApp, Telegram, Discord, Zulip, something else?


We have a Discord that's already setup for voice calls, so people organically go there when Slack goes down.


Email?


They updated the system status page. Its not escalated to "error" yet but they are investigating


It's working fine for me. But for some team mates slack is unusable. Seems that not affect everyone.


The desktop app doesn't even load now due to timeout. I think their entire network went down.


Anyone know how to create a basic chat room share link? Any services people can recommend?


it looks like a service provider must be down because there's a lot of other services struggling.. https://downdetector.com/


Twitter [0] is much more useful than status.slack.com.

[0] - Search, not @SlackStatus or @SlackHQ


Yep, I'm unable to load some channels and DM's are failing to send.


Same for me. Getting a high proportion of 503 Service Unavailable responses.


Slow for some actions. Example: It changed my status with like 10 sec delay


Yes, and Twitter confirms that a ton of people are seeing this.


Totally down for me.


Down. Desktop app doesn't load, webapp hangs


Takes about 50 seconds to open a thread for me.


Yes and no mention on status.slack.com


That's what I was wondering. Its shows all green. EDIT: Finally some update. https://status.slack.com/2021-01/9ecc1bc75347b6d1


Not working from Finland either.


Slack is also not working for me


Unfortunately I basically accept this as the current state of all electron apps?


Not working for me


yes, messages dropped, can't join channel


yeah its gone completely sideways for me


yes, was wondering about this too


Down for me


Slow for me


She's dead Jim


dead for me


same


yes


me too




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