Thanks -- that is useful to know. Do you know if there is a maximum expiration time -- for example, if I set expiration to something like 4-8 hours, would that be a bad practice?
On Feb 26, 4:29 am, Barry Hunter <[email protected]> wrote: > According to the Documentantion the JCache implementation is just a > wrapper around memcache > > http://code.google.com/appengine/docs/java/memcache/ > > With memcache you explicitly set the expiration time you want on how > long the data should survive for. > > The 'memory' is actually distributed and lives outside the JVM, so is > shared by all instances (if you have multiple running), and does > survive JVM restarts. > > On 25 February 2010 20:49, xcdesz <[email protected]> wrote: > > > I am confused about how JCache works with Google's cloud, and have > > some basic questions that I havent been able to find answers for.. > > > Suppose I am using JCache to store query results (i.e; a list of blog > > postings), so that users do not have to hit the datastore when > > initially logging on to a site. If I have a low-traffic situation, > > where one user logs in and logs out after a few minutes, and another > > user might not log on for another hour or so -- do those query results > > stay in JCache long enough for the other user to see the cached > > results of the previous user? > > > I'm trying to reduce the "loading request" time by using cached > > results instead of the datastore. Is this possible, or does the > > JCache instance (and JVM, for that matter) die pretty quickly after > > inactivity. Does JCache live and die with the JVM -- or is it > > somewhere else? > > > -- > > You received this message because you are subscribed to the Google Groups > > "Google App Engine" group. > > To post to this group, send email to [email protected]. > > To unsubscribe from this group, send email to > > [email protected]. > > 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 [email protected]. To unsubscribe from this group, send email to [email protected]. For more options, visit this group at http://groups.google.com/group/google-appengine?hl=en.
