telemetry data on sync success rate

James Bonacci jbonacci at
Fri Sep 26 09:53:52 PDT 2014

Well, this sure looks good.

----- Original Message -----
From: "Ryan Kelly" <rfkelly at>
To: sync-dev at
Cc: bobm at
Sent: Thursday, September 25, 2014 11:56:51 AM
Subject: telemetry data on sync success rate

Continuing a theme, we have telemetry probes that measure the number of
times a sync was started, and a number of times a sync completed

I'm not entirely sure how to interpret the measures here, and we
probably should be measuring something like "user saw an error bar" more
directly.  But it's interesting to compare:

For "release32" I see:

    36.05M started, 35.62M completed successfully (98.8%)

For "nightly34" I see:

    5.26M started, 5.18M completed successfully (98.4%)


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