seconds :) On Fri, Oct 22, 2010 at 8:48 PM, Ikai Lan (Google) <[email protected]<ikai.l%[email protected]> > wrote:
> There are definitely high traffic times and low traffic times, but I would > be surprised if it had a significant impact on the performance of your > application. Can you track this with metrics and keep us posted? When you > say "10 or 25", what are you referring to? Entities? Milliseconds? > > > -- > Ikai Lan > Developer Programs Engineer, Google App Engine > Blogger: http://googleappengine.blogspot.com > Reddit: http://www.reddit.com/r/appengine > Twitter: http://twitter.com/app_engine > > > > On Thu, Oct 21, 2010 at 12:54 PM, Ice13ill <[email protected]>wrote: > >> First of all, i realized that part of the problem was the range of the >> query (my data objects/entities grew very fast so i didn't that i was >> retrieving 1000 entities per query). But my pb is that i don't really >> "get it" ... the difference in time between queries is very different >> from moment to moment, although it's the same query.(10 or 25 for >> ex...) This is more of a curiosity from an "engineer" point of view :P >> Second, i understand the DeadlineExcededEx but why 500 error code ? Is >> it related to my inadequate way of making complex queries? is that >> from my app or may it be because of a high load to datastore ? I say >> this because it seams to me that the latencies are lower around 8:00 >> GMT (morning in eastern Europe) and rise quite enough after 17:00 GMT >> (afternoon in East Europe). >> >> Thanks... >> >> On Oct 21, 10:24 pm, "Ikai Lan (Google)" >> <[email protected]<ikai.l%[email protected]> >> > >> wrote: >> > What does the query look like? Query performance can sometimes be >> affected >> > by the "shape" of the data - that is, if the data changes, it may change >> the >> > number of indexes we need to zig-zag over. >> > >> > -- >> > Ikai Lan >> > Developer Programs Engineer, Google App Engine >> > Blogger:http://googleappengine.blogspot.com >> > Reddit:http://www.reddit.com/r/appengine >> > Twitter:http://twitter.com/app_engine >> > >> > >> > >> > >> > >> > >> > >> > On Tue, Oct 19, 2010 at 10:44 AM, Ice13ill <[email protected]> >> wrote: >> > > The queries (or any other operation for that matter...) have grate >> > > latencies (or 500 error code) for about 20 percent of the time. >> > > For example the same query that yesterday or 2 days ago took about 2 >> > > seconds, now takes between 5 and 25 seconds (the SAME query). The app >> > > can work fine, with low latencies and then, out of nowhere, operations >> > > take 5 to 25 secs more than normal (witch lead to >> > > DeadlineExcededException). >> > >> > > On Oct 18, 9:41 pm, Miroslav Genov <[email protected]> wrote: >> > > > Does the selected kind has any relationships to another kind ? >> > > > Do you have many conditional statements in your query ? >> > >> > > > I don't think that anyone could help you with this information. >> Please >> > > > provide some more information about the definition of your entities >> and >> > > > also whether you are using JDO, low level api or some other >> persistence >> > > > framework. >> > >> > > > On 18.10.2010 г. 20:37 ч., Ice13ill wrote: >> > >> > > > > Hello, I need some help from the app engine team. I'm having >> problems >> > > > > when accessing the datastore for my application. The runquery >> requests >> > > > > cat take about 10 to 25 seconds, and sometimes i get >> > > > > DeadlineExcededException or 500 error code. >> > >> > > > > I was wondering if this is happening to other developers or just >> me >> > > > > (or very few). My app id is ebas-gdf. Please advice. >> > >> > > -- >> > > You received this message because you are subscribed to the Google >> Groups >> > > "Google App Engine for Java" group. >> > > To post to this group, send email to >> > > [email protected]. >> > > To unsubscribe from this group, send email to >> > > [email protected]<google-appengine-java%[email protected]><google-appengine-java%2B >> [email protected]> >> > > . >> > > For more options, visit this group at >> > >http://groups.google.com/group/google-appengine-java?hl=en. >> >> -- >> You received this message because you are subscribed to the Google Groups >> "Google App Engine for Java" group. >> To post to this group, send email to >> [email protected]. >> To unsubscribe from this group, send email to >> [email protected]<google-appengine-java%[email protected]> >> . >> For more options, visit this group at >> http://groups.google.com/group/google-appengine-java?hl=en. >> >> > -- > You received this message because you are subscribed to the Google Groups > "Google App Engine for Java" group. > To post to this group, send email to > [email protected]. > To unsubscribe from this group, send email to > [email protected]<google-appengine-java%[email protected]> > . > For more options, visit this group at > http://groups.google.com/group/google-appengine-java?hl=en. > -- You received this message because you are subscribed to the Google Groups "Google App Engine for Java" group. 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