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# helpdesks
steep-balloon-41261
05/19/2023, 2:10 PMThis message was deleted.
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silly-train-16715
05/20/2023, 3:46 AMAlso I have a question about some failed egresses
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| EG_DArVa85Mwjrz | EGRESS_FAILED | 2023-05-17 17:34:05.53971 | pipeline frozen |
| EG_XdbPgQJFyQLZ | EGRESS_FAILED | 2023-05-18 14:11:57.802194 | pipeline frozen |silly-train-16715
05/20/2023, 4:11 PMHere is a screenshot from one of the session dashboards
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dry-elephant-14928
05/20/2023, 5:26 PMhmm, that's definitely unexpected. Do you know what conditions would typically cause them to show up?
dry-elephant-14928
05/20/2023, 5:28 PMCC: @able-gigabyte-21598 re: pipeline frozen
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silly-train-16715
05/20/2023, 8:05 PMHi @dry-elephant-14928. Since it doesn't happen every time, it's hard to tell but it looks like multiple successive reconnects may help to reproduce it.
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dry-elephant-14928
05/21/2023, 5:11 AMgot it, we'll take a look to see if we can repro
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silly-train-16715
05/22/2023, 7:51 AMHi @dry-elephant-14928. Here is an additional note. Not sure if it is important.
Since we don't know if someone entered the room first, each participant sends a request for room creation with egress (with configuration settings) before entering the room.
silly-train-16715
05/22/2023, 12:46 PM@dry-elephant-14928 Here is one more session. One of our testers experiencing often app crashes (apparently it's something on our side) during the call. She is reconnecting to the same room after that. The average duration of the session is ~7.5-8 minutes. Maybe those "ghost" participants are caused by the improper room disconnect?
For context: I'm talking about our app that is written in Flutter.
https://cloud.livekit.io/projects/p_519ctfqf1bf/sessions/RM_HCCsuNFSV7eT
silly-train-16715
05/23/2023, 7:38 PMHi @dry-elephant-14928. Update on room creation. I've asked my coworker about how he configured room creation with egress and it turns out that he actually checks if the room already exists. So I'm not sure why it is even happening.
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able-gigabyte-21598
05/23/2023, 8:43 PM@silly-train-16715 I haven’t been able to reproduce the
pipeline frozen👍 1
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silly-train-16715
05/23/2023, 9:24 PMHi @able-gigabyte-21598. Thanks for response. Hope it'll help.
I have one more question. I didn't notice at first but it turns out that there can be multiple session per one room name. It is really confusing. What are those sessions and how are they related to rooms?
silly-train-16715
05/23/2023, 9:48 PMI guess I figured it out. "Session" is a session that has at least one participant and ends after the last participant leaves the room. Is that right?
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dry-elephant-14928
05/23/2023, 10:24 PMyeah
dry-elephant-14928
05/23/2023, 10:25 PMa session is an instance of the room (like classes and objects 😊
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silly-train-16715
05/25/2023, 7:34 AMHi @able-gigabyte-21598. Any idea on those "ghost" users with egress IDs? I'm still getting those in my session dashboards. And the main cloud dashboard shows that those are considered as Go clients
silly-train-16715
05/25/2023, 11:55 AMAs far as I understand the recording works as follows:
Go client joins the room, subscribes to the track and saves it to the file.
If that's true then it explains the "ghost" participants. Can you do something on a server side or change clients so they won't appear in the list of participants and SDK users won't need to filter them out?
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dry-elephant-14928
05/25/2023, 11:58 PMok, those are Egress bots that join the room and record them.
dry-elephant-14928
05/25/2023, 11:58 PMand you are correct that they should not be visible to clients. Egress participants have identities with prefix
EG_hiddens
silly-train-16715
05/26/2023, 7:55 AMOK, so what is the eventual recommendation on this one? Should I, as SDK user, manually filter them out so the end users of my app doesn't see them or they should not be visible to me (as a developer) in the first place and that's something you'll fix in the future?
That's an interesting concept of hidden participants. Is it possible for me to create one and if yes then how I do that?
Thanks
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dry-elephant-14928
05/26/2023, 4:37 PMYou should not need to filter them out. They are visible in the dashboard, but should not be visible to your client SDK. If you are seeing them in the UI, that would mean it's a bug. Is that what you are observing in recent sessions? (we did have a bug where allowed them to slip through in some conditions. I believe we've fixed it)
You can create hidden participants too (tho they cannot publish anything, otherwise they'll become visible). You'd just need to give it the
hiddens
silly-train-16715
05/26/2023, 10:11 PMWhen this bug was fixed? I didn't turn it off (just in case) when making new builds for our testers. That's why I may not have noticed the fix.
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dry-elephant-14928
05/26/2023, 10:17 PMit was fixed about a week ago
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silly-train-16715
05/27/2023, 9:15 AMOh, OK. That may be the case. I didn't see anything related to this in the changelog so I didn't remove the filter. I'll try removing the filter.
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dry-elephant-14928
05/27/2023, 6:10 PMSounds good. if it remains an issue, please let us know. We have not gotten any recent reports for this.
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