There are only several objects in the cache (up to 10), each about 10kb. But there is also a bigger one (about 260kb) which I suspect of source of problems.
I am afraid I am not able to reproduce the problem. Dec 7: 2600 pageviews, cache occasionally does not work (at least one time started to work again after redeploy) Dec 8: 1000 pageviews, cache worked ok Dec 9: 700 pageviews, cache occasionally does not work Martin On Dec 10, 8:15 pm, "Ikai L (Google)" <ika...@google.com> wrote: > There are limits to the size of your cache, but Memcache LRU expiration > should be pushing out older items, not newer items that are going into the > cache. Also, a deploy should not be causing this to occur. > > What steps can be taken to reproduce this? What are the size of the blobs, > and what load can I use to cause this to happen? > > On Wed, Dec 9, 2009 at 4:04 PM, Martin Caslavsky <mcaslav...@gmail.com>wrote: > > > > > Yes, cache maps Strings (URLs) to byte[] blobs (RSS feed content). > > > Martin > > > On Dec 10, 12:13 am, "Ikai L (Google)" <ika...@google.com> wrote: > > > What kind of objects are you storing the cache? Are you storing large > > binary > > > objects? > > > > On Tue, Dec 8, 2009 at 12:23 AM, Martin Caslavsky <mcaslav...@gmail.com > > >wrote: > > > > > Sorry, it is dmczum. > > > > FYI redeploy of the app helps for a few hours. > > > > > Martin > > > > > On Dec 8, 2:20 am, "Ikai L (Google)" <ika...@google.com> wrote: > > > > > Martin, > > > > > > Can you provide your app ID? I'm not able to look up czumdm. > > > > > > On Sun, Dec 6, 2009 at 4:40 PM, Martin Caslavsky < > > mcaslav...@gmail.com > > > > >wrote: > > > > > > > Hi, > > > > > > > my java app (czumdm) was over quota, so I enabled billing. First > > > > > > request was processed at 12-06 04:10PM 11.559. App worked correctly > > -- > > > > > > most request was processed from JCache (logged as "execute() > > > > > > skipping") and several request was processed directly (logged as > > > > > > "execute()"). > > > > > > > But as of 12-06 04:15PM 49.099 the method call > > cache.containsKey(key) > > > > > > returns false, thus no request is processed from cache! > > > > > > > Cache statistics shows some cached objects (correct) but hits count > > is > > > > > > stalled and miss count is increasing (weird). > > > > > > > Greets > > > > > > Martin > > > > > > > -- > > > > > > > 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 > > > > > > google-appengine-j...@googlegroups.com. > > > > > > To unsubscribe from this group, send email to > > > > > > google-appengine-java+unsubscr...@googlegroups.com<google-appengine-java%2bunsubscr...@googlegroups.com> > > <google-appengine-java%2bunsubscr...@googlegroups.com<google-appengine-java%252bunsubscr...@googlegroups.com> > > > > > <google-appengine-java%2bunsubscr...@googlegroups.com<google-appengine-java%252bunsubscr...@googlegroups.com> > > <google-appengine-java%252bunsubscr...@googlegroups.com<google-appengine-java%25252bunsubscr...@googlegroups.com> > > > > > > > . > > > > > > For more options, visit this group at > > > > > >http://groups.google.com/group/google-appengine-java?hl=en. > > > > > > -- > > > > > Ikai Lan > > > > > Developer Programs Engineer, Google App Engine > > > > > -- > > > > > 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 > > > > google-appengine-j...@googlegroups.com. > > > > To unsubscribe from this group, send email to > > > > google-appengine-java+unsubscr...@googlegroups.com<google-appengine-java%2bunsubscr...@googlegroups.com> > > <google-appengine-java%2bunsubscr...@googlegroups.com<google-appengine-java%252bunsubscr...@googlegroups.com> > > > > > . > > > > For more options, visit this group at > > > >http://groups.google.com/group/google-appengine-java?hl=en. > > > > -- > > > Ikai Lan > > > Developer Programs Engineer, Google App Engine > > > -- > > > 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 > > google-appengine-j...@googlegroups.com. > > To unsubscribe from this group, send email to > > google-appengine-java+unsubscr...@googlegroups.com<google-appengine-java%2bunsubscr...@googlegroups.com> > > . > > For more options, visit this group at > >http://groups.google.com/group/google-appengine-java?hl=en. > > -- > Ikai Lan > Developer Programs Engineer, Google App Engine -- 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 google-appengine-j...@googlegroups.com. To unsubscribe from this group, send email to google-appengine-java+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/google-appengine-java?hl=en.
