Because the file number changes if the file changes, its use is Instead, it is a randomly chosen number, that is transmitted in the Etagįield. Although this number is a unique value, it is not a hash of the file. Server provides a unique number that changes whenever the fileĬhanges. Requirement was achieved through the use of enterprise standard NTP timeīecause this timing strategy is rather fragile without the use of NTP, the Nextcloud Required both device repositories to run on the exact same time. To compare the modification times of two files from different systems, csync This design goal is why csync was chosen as the backend component. One design goal of csync is to not require a special serverĬomponent. Modification timestamps do not require special action to create, and have a It is available onĮvery relevant filesystem and is the typical indicator for a file change. The modification timestamp is part of the files metadata. Time – to decide which file was newer and needed to be synchronized to the Synchronization process employed a single file property – the file modification Until the release of the client version 1.1, the Nextcloud Process that starts a sync run immediately if something was edited, added, or Sync runs, the local repository is monitored by a file system monitoring This process is referred to as a sync run. New files are propagated, but these files and folders are never deleted unlessĭuring synchronization, the Nextcloud Client checks both repositories forĬhanges frequently. Like a file backup, where only changes to files or folders and the addition of Major difference between the Nextcloud synchronization process and other systems It is important to note that the Nextcloud synchronization process does not useĪ typical client/server system where the server is always master. If a file is deleted in one repository, it is deleted in any other.When a file is changed in one repository, the change is propagated to any other.If a file is added to one repository it is copied to the other synchronized repository.The process of synchronization keeps files in two separate repositories the
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