yes exactly. I think this is the correct interpretation of the blue
line and red line.

- eric

2010/1/21 Robert Kluin <robert.kl...@gmail.com>:
> The blue line is wall-clock time.  The red line is CPU or API time.
> As Danny mentioned, the blue line indicates "blocking" time of each
> call.  The red line indicates what you are charged for each.
>
> Robert
>
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> On Wed, Jan 20, 2010 at 12:43 PM, Danny Tuppeny <da...@tuppeny.com> wrote:
>> 2010/1/20 Danny Tuppeny <da...@tuppeny.com>
>>>
>>> 2010/1/20 Eric Ka Ka Ng <ngk...@gmail.com>
>>>>
>>>> i'm not sure whether the blue bars are actually showing time without
>>>> the profiler, i think it may mean something else (i also wanna know
>>>> what the blue bar and red rectangle refer to, and will dig into the
>>>> doc to find out what it actually means. anyone know?). the overhead
>>>> should be the time labeled with 'overhead' (in your case, which is
>>>> 0ms)
>>>
>>> The screenshot I saw said blue was time taken and red was "time charged",
>>> which I assumed meant the *actual* time taken with the overhead. It's
>>> possible it meant that the timings were rounded for the costing, I don't
>>> know. I fixed what I was doing, so I didn't investigate any further.
>>
>> I just saw the screenshots posted above, which makes me think I'm wrong. It
>> looks more like the red bar is the time taken (and charged), but the blue
>> bar is the time the app spent blocked waiting for the return. Eg. your
>> script waited for 5 seconds for the response, but for some reason
>> (transmission time? blocking?) it was only 1 second of CPU in the datastore.
>> Hopefully someone knowledgeable might know for sure :-)
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