The webpage titles are shown underlined in different tabs, which mean the tabs are running in multiple processes. Now, each tab in Firefox will open in a new process. Warning: Do not try this in release version of Firefox. I am trying to open Firefox in CentOS, but I'm getting the following message: Firefox is already running but is not respondingand Firefox doesn't open. Open Firefox browser, type about:config in the address bar and hit enter.In the search field, type .ĭouble-click on the to toggle its value to true. If you want to try it, download the nightly build and enable it from Firefox’s about:config page. It is not fully implemented in the release version of Firefox. The multi-process tabs architecture is currently available in Nightly builds of Firefox. Similar feature is already available in the latest version of Google Chrome and Internet Explorer. You don’t need to do this if you don’t want! Instead, you can ask the Fly.io platform to do it for you, by adding statics directives to your fly.What is multi-process tabs architecture in Firefox? In simple word, Firefox will open each tab in a new process, which makes the browser more stable and less resource hungry. You might not need to run helper processes for this kind of stuff.Īnother thing people run multiple programs to get is static asset HTTP service you’ll run your app server, and a small webserver alongside it to serve assets. For instance: metrics are a built-in feature of the platform, as are logs. There are a bunch of reasons people want to run multiple things in a container that Fly.io already takes care of for you. Because the network connection is private and encrypted, you can generally just talk back and forth without extra authentication until you know you need it in other words, you can keep things simple. internal top-level domain (if your apps are foo and bar, they’ll be in the DNS as foo.internal and bar.internal). The advantage to doing this, apart from the apps not fighting over the same CPUs and memory, is that you can scale separate apps independently, and put them in different sets of regions.įly.io apps can talk to each other over a private network that’s always available. If you’re running multiple heavy-weight things in a single container, you might explore just running them as separate Fly.io apps. There are good reasons to run multiple programs in a single container, but sometimes when you’re doing that you’re actually working against the platform (which is why Docker keeps telling you not to do that). There are a bunch of process managers that want to replace init, and those’ll be tricky to get to work in a Fly.io app. Use whichever you like! The only limitation you’re going to run into is that Fly.io owns your init (sorry!) we have to be PID 1. If you’re not a tmux person, ctr-b d detaches you from that window. # (clouds part, screen fills with foo's terminal)
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December 2022
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