Do you have NTP installed?

On Tue, Nov 15, 2016 at 9:22 PM, Jim Apple <[email protected]> wrote:
> I have a machine where Kudu failed to start:
>
> F1116 05:02:00.173629 71098 tablet_server_main.cc:64] Check failed:
> _s.ok() Bad status: Service unavailable: Cannot initialize clock:
> Error reading clock. Clock considered unsynchronized
>
> https://kudu.apache.org/docs/troubleshooting.html says:
>
> "For the master and tablet server daemons, the server’s clock must be
> synchronized using NTP. In addition, the maximum clock error (not to
> be mistaken with the estimated error) be below a configurable
> threshold. The default value is 10 seconds, but it can be set with the
> flag --max_clock_sync_error_usec."
>
> and
>
> "If NTP is installed the user can monitor the synchronization status
> by running ntptime. The relevant value is what is reported for maximum
> error."
>
> ntptime reports:
>
> ntp_gettime() returns code 0 (OK)
>   time dbd66a6a.59bca948  Wed, Nov 16 2016  5:17:30.350, (.350535824),
>   maximum error 197431 us, estimated error 71015 us, TAI offset 0
> ntp_adjtime() returns code 0 (OK)
>   modes 0x0 (),
>   offset 74989.459 us, frequency 19.950 ppm, interval 1 s,
>   maximum error 197431 us, estimated error 71015 us,
>   status 0x2001 (PLL,NANO),
>   time constant 6, precision 0.001 us, tolerance 500 ppm,
>
> So it looks like this error is anticipated, but the expected
> conditions for it to occur are absent. Any ideas what could be going
> on here? This is with a recent checkout of Impala master.

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