D'oh! I knew that looked too big! :) On Oct 8, 2011, at 2:15 PM, Philip wrote:
> Joshua, your calculation is wrong. A year has 8760 hours, 0.05% of > that time the service can be down -> 8760 * 0.0005 = 4.38 hours of > downtime. > > On Oct 8, 7:52 pm, Joshua Smith <joshuaesm...@charter.net> wrote: >> Google had a lot of trouble with their original database, known as M/S. It >> was responsible for the downtime you heard about. >> >> So they invented a new database, known as HR, and it has never gone down >> since they released it. >> >> So if you use HR (which is the default for new projects), history suggests >> that you will not see outages. >> >> But be realistic: Everything goes down. Everything. There is no 100% uptime >> guarantee. Google is promising 99.95% which means they are OK with 438 >> hours of downtime a year. And that's only a soft promise (like most SLAs, >> your recourse is negligible if you suffer losses because of their failures). >> >> I'm quite sure that GAE on HR has better uptime than I could achieve with >> anything I could build and manage. >> >> On Oct 8, 2011, at 11:42 AM, ahmed adel wrote: >> >> >> >> >> >> >> >>> What do you mean by HR? >> >>> What I meant is , If I have application hosted in Google Apps Engine , >>> will it be affected in the future for example due to data center crash >>> like what happened before. >> >>> We will need this application be available starting from 7 AM to 1 PM >>> Cairo time. because of this I am asking about the crash time in Google >>> Apps engine. >> >>> I am asking this because my manager wanna be sure our app won't be >>> available for use. (internal and external). >> >>> Also I heard that Google apps engine was down many times and according >>> to this many companies changed the host from Apps engine to another >>> PAAS provider. >> >>> Another reason for my question is I suggested to develop over Google >>> Apps Engine for our Customers , but also I told Our management that we >>> can not trust Google Apps Engine to do this for now , because as you >>> know and correct me if I am wrong (Google don't care much about Apps >>> Engine Support) >> >>> so my question will be now , can I trust Google Apps engine to use it >>> for our Clients? in case of yes or no please tell me reasons for your >>> answer. >> >>> On Oct 6, 7:50 pm, Joshua Smith <joshuaesm...@charter.net> wrote: >>>> Depends how you define "down." >> >>>> If you only consider HR, it hasn't gone completely down ever. Some bugs >>>> have happened (like losing the ability to send mail to gmail addresses >>>> with .'s in them) which reduced functionality for HR, and there have been >>>> times when you could not update your app. But I don't think HR has ever >>>> stopped serving since it was introduced. >> >>>> M/S has been down lots of times, sometimes for extended periods. But >>>> that's irrelevant if you are using HR, which you should be if you care >>>> about downtime. >> >>>> -Joshua >> >>>> On Oct 6, 2011, at 1:42 PM, ahmed adel wrote: >> >>>>> I need to know how many time did Google apps engine went down since >>>>> launching this service also I need to know for how many hours and what >>>>> is the time exactly. >> >>>>> Also I need to know your opinion about the below. >> >>>>> We are planning to develop a product over Google apps engine , a big >>>>> project actually for our company. >> >>>>> so should I start using Google apps engine or should I use another >>>>> PAAS and if so what is the recommended PAAS. >> >>>>> thx >> >>>>> -- >>>>> 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 >>>>> athttp://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 >>> athttp://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. > -- 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.
