Thx for info.
Adam Hooper <a...@adamhooper.com>, 22 Kas 2019 Cum, 18:07 tarihinde şunu yazdı: > On Friday, November 22, 2019 at 7:08:46 AM UTC-5, Levent Engin wrote: >> >> Hi, >> >> I am using Django Channels2. After a system failure or power crash >> channel name of the receiver persists without a proper disconnect(). >> > > *Where* does the channel name persist? (Surely not on the machine that > turned off....) > > Be very clear on which problem you want to solve: > > - It's *impossible* to "fix" senders so they never send to a channel > that doesn't exist. (Channels can disappear at any time, so a race is > inevitable.) > - It's possible to "expire" invalid messages so they don't impede > delivery of valid messages. Tune the expiry > <https://github.com/django/channels_redis#expiry> option. > - It's possible to "expire" a channel out of a *group* ... but you'll > want that duration to be very long. Tune the group_expiry > <https://github.com/django/channels_redis#group_expiry> option. > > Personally, I use RabbitMQ; I built a channel layer, > https://github.com/CJWorkbench/channels_rabbitmq, that promises a better > solution. > > With RabbitMQ, messages destined for a disconnected host disappear > immediately; and channels disappear from groups immediately (so you should > set group_expiry to an enormous number). > > Enjoy life, > Adam > > -- > You received this message because you are subscribed to the Google Groups > "Django users" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to django-users+unsubscr...@googlegroups.com. > To view this discussion on the web visit > https://groups.google.com/d/msgid/django-users/61cc91ef-9569-4418-9e59-64788b196402%40googlegroups.com > <https://groups.google.com/d/msgid/django-users/61cc91ef-9569-4418-9e59-64788b196402%40googlegroups.com?utm_medium=email&utm_source=footer> > . > -- You received this message because you are subscribed to the Google Groups "Django users" group. To unsubscribe from this group and stop receiving emails from it, send an email to django-users+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/django-users/CANQNAiT1navaMLoZ5d0TdC%3DmCD2JqCc0FSiWeB%2B7RkYZEuuL4A%40mail.gmail.com.
