Regarding that maintenance period: https://groups.google.com/forum/?fromgroups#!topic/google-appengine-downtime-notify/CO_x02OF9Ak
It's happening next Monday, March 19th at 4pm US/Pacific (19th March, 23:00 GMT). -- Ikai Lan Developer Programs Engineer, Google App Engine plus.ikailan.com On Mon, Mar 12, 2012 at 11:52 AM, Ikai Lan (Google) <ika...@google.com>wrote: > Hi Riley, > > That's a legitimate question, and one that we haven't officially answered > yet. It's certainly the direction that things have been moving simply due > to the nature of production management. Given that the SLA applies to HRD > and not master/slave applications, you are definitely going to get a better > quality of service migrating to HRD. In fact, I strongly advise that you do > so. > > One challenge that we have when dealing with issues is to decide whether > we should do emergency maintenance that requires downtime. With any > production system, it's not always guaranteed that maintenance will result > in issues being completely resolved, which would be really bad for app > developers. At what threshold do we determine that a downtime with no > guarantee of addressing the issues is worthwhile? Global 0.1% error rate? > 1%? The call is not always clear cut because those errors may not be evenly > distributed, and the impact may be huge, or it may be small. With > master/slave applications, we do what we can to address the short term > symptoms as well as the underlying system issues without impacting serving, > which is often an order of magnitude more difficult (It kind of reminds me > of that scene in Indiana Jones where he takes an artifact, swapping it with > a bag of sand as quickly as possible to try to avoid setting off traps. > Pillaging of historic artifacts is way easier when it's not dangerous, not > speaking from personal experience). When your application runs on High > Replication, the call is easy: there's no downtime required in 99% of > cases, so we perform the maintenance right away because if it doesn't > address the issue, there's no serving downtime for users. > > If you're not subscribed to downtime-notify, I recommend that you do so. > Announcements like this will NOT and never will be moving to StackOverflow: > > > https://groups.google.com/forum/?fromgroups#!forum/google-appengine-downtime-notify > > We may be announcing a maintenance in the very near future that will > impact the serving of master/slave applications. > > -- > Ikai Lan > Developer Programs Engineer, Google App Engine > plus.ikailan.com > > > > On Mon, Mar 12, 2012 at 9:46 AM, Riley <rileyl...@gmail.com> wrote: > >> Ikai, it sounds like support for HR apps is being prioritized. Is that >> the case? Should we expect that to be the case in the future? Sorry if >> that's documented somewhere already~ >> >> Riley >> >> >> On Monday, March 12, 2012 11:44:59 AM UTC-5, Riley wrote: >>> >>> Our appid is activegrade, we use the m/s datastore, and get from 0-10 >>> QPS throughout the day. Normally we have 1-4 instances running, but since >>> this seems *mostly* related to startup, we dedicated 10 idle resident >>> instances to run all the time. This covers us a little, but still, when a >>> user triggers a new instance, they get the 60+ second wait and then an >>> error. Ugh! Our costs are relatively minor - about $20 a day now that we >>> are running these 10 ordinarily unnecessary instances - but this is a big >>> cost for us, and embarrassing too. >>> >>> On Tuesday, March 6, 2012 3:17:37 PM UTC-6, Adam Sherman wrote: >>>> >>>> Am I the only one seeing short duration outages? They are being >>>> reflected at: >>>> >>>> http://code.google.com/status/**appengine<http://code.google.com/status/appengine> >>>> >>>> But I don't see anyone else complaining anywhere, so it makes me >>>> worried. >>>> >>>> A. >>>> >>>> -- >> 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/-/VzKRK5UG96MJ. >> >> 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. >> > > -- 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.
