The most common error with a "file is ready" logic is the . If a process sets the flag before the operating system has finished flushing the disk buffer, a subsequent process might try to read a corrupted or incomplete file.
Using system-level watchers like inotify (Linux) or FileSystemWatcher (.NET). When the CloseWrite event triggers, the system essentially broadcasts that the "file is ready." file_is_ready
A front-end UI displays a "Processing" spinner until the server confirms the file is saved and ready for viewing. The most common error with a "file is ready" logic is the