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How is after and before method implemented in Google Spanner truetime? From the Spanner Whitepaper, a TrueTime value is not a single value but a timestamp range which is guaranteed to contain the absolute value This range takes into account the potential clock drift - which in Google's network, with syncing the server clocks to the atomic GPS reference time every 30secs is up to 7ms (from the whitepaper)
Why is Googles TrueTime API hard to duplicate? The challenge in implementing a TrueTime API lies in the guarantees you must provide Namely, the absolute time must never be outside the TrueTime interval on any server in the system If this can happen, then absolute ordering of events is lost, as are most of the guarantees of Spanner
ios - How reliable is using TrueTime for getting device independent . . . If you mean reliability by "how reliable it is to make successful requests" then that depends a lot: the user's Internet connection, bugs in the TrueTime library etc According to the README, Reachability events are automatically accounted for to pause start requests
Library Cannot resolve method in TrueTime library - Stack Overflow This happens because you're using an older version of TrueTime library Its documentation configures version 1 5, but the latest one is 2 0 So, change your dependency to: compile 'com github instacart truetime-android:library-extension-rx:2 0'
How can I get correct current date and time for android device while . . . For others who have the same problem, there is a powerful library named TrueTime To use it add it to your project dependencies: implementation 'com github instacart truetime-android:library-extension-rx:3 5' in onCreate method of your Application class [if you use RxJava]:
database - How does waiting atomic clock help GCP spanner solve . . . It seems that you assume that transaction is committed using local node time timestamp, while in reality timestamp is chosen as TrueTime Latest So, in your example, the mismatch is on the following lines: trxB arrive nodeB at (true time 9ms, A time 9ms, B time 2ms) trxB is commit by nodeB at (true time 10ms, A time 10ms, B time 3ms)
truetime-android api returns wrong date and time sometimes? Stack Overflow for Teams Where developers technologists share private knowledge with coworkers; Advertising Talent Reach devs technologists worldwide about your product, service or employer brand