#6080 [Core feature] [copilot] enhance uploader performance Issue created by wayner0628 ### Motivation: Why do you think this is important? As reported, copilot has the issue of uploader running too slow. ### Goal: What should the final outcome look like, ideally? `SharedProcessNSWatcher`: The uploader depends on the watcher to monitor the completion of the user code container. If we suspect the overhead originates here, the issue might be the polling interval, which is set to a short

2s

. This requires listing and filtering all processes frequently, potentially causing the overhead. ### Describe alternatives you've considered Could also be uploading itself too slow. ### Propose: Link/Inline OR Additional context No response ### Are you sure this issue hasn't been raised already? • Yes ### Have you read the Code of Conduct? • Yes flyteorg/flyte