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I found that when flink application start，the number of slots request is SUM(Maximum parallelism of each task), but when the application is running, the number of slots request is JobManager(1) + Maximum parallelism of all task. For example if there are three tasks, the parallelism of task1(source/map) is 2, the parallelism of task2(keyby/window/apply) is 2, […]
I have been using Mac for many years and I have my Xcode command line tool installed all over the time. I have never worried about installing any extra runtime library. I recently used a Windows system and some applications require me to download .NET stuff, Visual C++ Runtime and stuff. I just feel like […]
macOS Gatekeeper is used to validate macOS apps. In previous versions of macOS Gatekeeper, Control-click could be used as a launch override for running downloaded apps. Apple has now changed that. Under earlier versions of macOS, users could override Apple’s Gatekeeper security to launch apps in the Finder by Control-clicking on them to launch them. […]
In macOS Sequoia, users will no longer be able to Control-click to override Gatekeeper when opening software that isn’t signed correctly or notarized. They’ll need to visit System Settings > Privacy & Security to review security information for software before allowing it to run. If you distribute software outside of the Mac App Store, we recommend that you submit […]
Welcome to the third post in our series on Python at scale at Instagram! As we mentioned in the first post in the series, Instagram Server is a several-million-line Python monolith, and it moves quickly: hundreds of commits each day, deployed to production every few minutes. We’ve run into a few pain points working with […]