Now the warmup requests are fired only if you set min idle instances to
some value(not automatic).

-- Takashi


On Fri, Jul 13, 2012 at 9:52 PM, Michael Hermus <michael.her...@gmail.com>wrote:

> Same for me.. I just checked: no calls to warmup, lots of loading requests.
>
> **shakes fist at App Engine**
>
>
> On Thursday, July 12, 2012 4:39:48 PM UTC-4, Tom Phillips wrote:
>>
>> Interesting..I checked and I too have 100% of my loading requests on
>> user facing URLs instead of /_ah/warmup.
>>
>> Warmup requests are enabled and Automatic-Automatic for both instance
>> sliders.
>>
>> I used to see at least a decent percentage of loading requests on /_ah/
>> warmup, but haven't looked in quite a while.
>>
>> /Tom
>>
>> On Jul 12, 3:46 pm, David Hardwick <david.hardw...@bettercloud.**com>
>> wrote:
>> > Some additional observations and questions...
>> >
>> > After reading this [Link 1] stack overflow article that mentioned an
>> > issue with having your Max Idle count below 6, we started looking at
>> > our warmup request on our staging environment because that app-id has
>> > Idle Instances set to Auto-Auto, while production had specific values.
>> >
>> > But...Where did all the "/_ah/warmup" requests go?  When doing a label
>> > search for these staging environment logs ["path:/_ah/warmup" (doing a
>> > label search)] we couldn't find any warmup request!!(yes, we have
>> > warmup requests turned on)...we would just see the first cold-start
>> > request would take around 15 seconds to load (F1) and 10 seconds to
>> > load on (F2).
>> >
>> > I even shut down every instance and hit the staging server again to
>> > see if I could find a warmup request in the logs...nope.  Honestly, I
>> > would rather have a user wait 10 seconds for the first request to that
>> > server as opposed risking the warmup requests failing again.
>> >
>> > Where did all the "/_ah/warmup" requests go?   More importantly, why
>> > would we have such different times for warmup requests compared to
>> > cold starts?  Shouldn't they be nearly identical?!
>> >
>> > Rock on,
>> >   -Hardwick
>> >
>> > [Link 1] -http://stackoverflow.com/**questions/9422698/ah-warmup-**
>> producing-hardde.<http://stackoverflow.com/questions/9422698/ah-warmup-producing-hardde.>..
>>
>> >
>> > On Jul 12, 12:26 pm, David Hardwick <david.hardw...@bettercloud.**com>
>> > wrote:
>> >
>> >
>> >
>> >
>> >
>> >
>> >
>> > > Hello,
>> >
>> > > I realize there's been a lot of discussion on startup times exceeded
>> on
>> > > this forum recently, but wanted needed to post this experience we had
>> this
>> > > morning to keep the attention on this important issue.
>> >
>> > > We uploaded a point release of our app to a "not-live" version this
>> morning
>> > > and, of course, we were going to click around on that instance to
>> make sure
>> > > it's all kosher before making that version "live."   The warm-up
>> requests
>> > > for the "not-live" version were exceeding the deadline limit of
>> 60s...
>> > > __and__we__are__on__F4s__!_!.
>> >
>> > > However, the LIVE version of the app crashed too, 500 server errors,
>> > > instance counts went to zero, all sorts of whacky stuff was seen in
>> the
>> > > control panel.  All that happened to our LIVE version without when
>> all we
>> > > did was upload another "non-live" version and hit it with a single
>> > > request...did I mention we were on F4s?  ;-)  Does the failure of any
>> > > instance to exceed the 60s limit take down all instances to include
>> live
>> > > one?
>> >
>> > > We did a few things as quickly as possible since our live application
>> was
>> > > down, so clearly we didn't have the time to take the scientific
>> approach of
>> > > only changing one thing at a time and wait to see if it that did it.
>> >
>> > > We...
>> > > 1. Switched from F4s to F2 (i figured if this would least get us on
>> some
>> > > new servers/instances)
>> > > 2. Increased max idle instances from 1 to 2 (with F4s running, I'm
>> fine
>> > > with having just 1 idle instance and not at all happy about paying
>> for 2
>> > > idle instances, so maybe we'll just increase this prior to
>> deployments and
>> > > then back down again after the deployment succeeds until we know
>> more)
>> > > 3. Made the recently uploaded version live (hey, why not, the
>> production
>> > > app was down for 10 minutes, so how much more harm could we do?)
>> >
>> > > We use GWT and Guice, we jar everything (as I have been paying
>> attention to
>> > > this startup time discussions for quite some time now.  We are also
>> > > considering switching our Guice libraries to a non-AOP version as we
>> saw
>> > > suggested in another blog since we just need the injection.
>> >
>> > > Any insight, and I'm all ears!  app_id=s~myflashpanel
>> >
>> > > Regards,
>> > >   -Hardwick
>> >
>> > > --
>> >
>> > >  *We make Google Apps even better.*
>> >
>> > > *David Hardwick*
>> > > *CTO*
>> > > david.hardw...@bettercloud.com
>> >
>> > > *Signature by Flashpanel <http://flashpanel.com/>*
>> > >  *See us in Mashable: Growing Up Google: How Cloud Computing Is
>> Changing a
>> > > Generation <http://mashable.com/2012/04/**30/generation-growing-up-**
>> google/ <http://mashable.com/2012/04/30/generation-growing-up-google/>>*
>
>  --
> You received this message because you are subscribed to the Google Groups
> "Google App Engine" group.
> To view this discussion on the web visit
> https://groups.google.com/d/msg/google-appengine/-/Bs6JKwLYDAMJ.
>
> To post to this group, send email to google-appengine@googlegroups.com.
> To unsubscribe from this group, send email to
> google-appengine+unsubscr...@googlegroups.com.
> For more options, visit this group at
> http://groups.google.com/group/google-appengine?hl=en.
>



-- 
Takashi Matsuo

-- 
You received this message because you are subscribed to the Google Groups 
"Google App Engine" group.
To post to this group, send email to google-appengine@googlegroups.com.
To unsubscribe from this group, send email to 
google-appengine+unsubscr...@googlegroups.com.
For more options, visit this group at 
http://groups.google.com/group/google-appengine?hl=en.

Reply via email to