For the record of any future users: an investigation of the issue reported by Stefano appeared to turn up that the cause of the instances shutting down was low instance specs combined with a memory-heavy CSV import job.
Mauricio, I've located the support ticket you have open, and it appears that you're currently receiving help there for a similar but unrelated issue. I encourage you to follow up there. On Friday, August 7, 2015 at 7:11:49 AM UTC-4, Stefano Ciccarelli wrote: > > Hello to all! > > Our application has always suffered from high latencies due to instances > respawning continuously. > We always used custom settings in "automatic-scaling" to try to save money. > > Following this post ( > http://googlecloudplatform.blogspot.it/2015/08/How-to-Troubleshoot-Latency-in-Your-App-Engine-Application.html) > > I've decided to reset the "automatic-scheduling" settings of our app to > default values. > > So I've configured only min-idle-instances to 1 (otherwise the /_ah/warmup > handler is never called). The instance class is F2. > > After two days this is our state. > > So: > - why I have 4 instances 2 days old not used? (The logs says that one > instance served ~20 request today, but the other instances stopped to serve > yesterday) > - why the scheduler stop and spawn instances every 40/50 minutes if 4 > instances are there to do nothing? > - why the resident instance is restarted every 40/50 minutes if it is > supposed to be... resident? > - is there something wrong with our code? > > Thanks > > > > > [image: nimbus-image-1438944970211.png] > -- > *Stefano Ciccarelli* > GAE Application Division > / Director > [email protected] > > *M.M.B. s.r.l.* > via Granarolo, 177/7 - 48018 Faenza (RA) - Italy > tel. +39.0546.637711 - fax +39.0546.46077 > www.mmbsoftware.it - [email protected] > > Le informazioni contenute in questa comunicazione sono riservate e > destinate esclusivamente alla/e persona/e o all'ente sopra indicati. E' > vietato ai soggetti diversi dai destinatari qualsiasi uso, copia, > diffusione di quanto in esso contenuto sia ai sensi dell'art. 616 c.p., sia > ai sensi del DL n. 196/03. Se questa comunicazione Vi e' pervenuta per > errore, Vi preghiamo di rispondere a questa e-mail e successivamente > cancellarla dal Vostro sistema. > -- You received this message because you are subscribed to the Google Groups "Google App Engine" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. Visit this group at http://groups.google.com/group/google-appengine. To view this discussion on the web visit https://groups.google.com/d/msgid/google-appengine/1ce70118-f593-4ea3-b6d3-47be766d36f2%40googlegroups.com. For more options, visit https://groups.google.com/d/optout.
