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Re: [ProgSoc] Synchronise a file to a remote machine in real time



John Elliot wrote:
What are the implications of file-locking in the above scenario? Does machine B have a write-lock on logfile-copy, or does it open and close the file (thus making it periodically available for reading) while it is waiting for more data? Does tail buffer data if it can't get a write lock on a file while another process is reading it?

The blame remains the same, and I realise that it must be the ssh client on B which has the write-lock. Does the local ssh client process periodically make logfile-copy available for reading?


I'm assuming Jay wants to be able to process the file on B as it arrives (otherwise the 'close to real-time' requirement doesn't seem as urgent).















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