Does Dropbox use a cronjob to sync up?

Posted by Yko on Programmers See other posts from Programmers or by Yko
Published on 2012-10-20T14:24:14Z Indexed on 2012/10/20 17:13 UTC
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synchronization

I was looking into lipsync on a Dropbox clone. I was looking at the diagram on how it works here.

It shows that a cronjob is used to keep files in sync between client and server. Does that mean that every sec/min/hour, a cronjob runs and checks to see if there is a difference between client and server? Is that how Dropbox does it?

If it does use a cronjob, what happens when you are in the middle of syncing and another cronjob runs? Does rsync (or additional libs) know how to handle this?

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