hie any updates please on this Thankx and Regards
Vik Founder www.sakshum.com www.sakshum.blogspot.com On Tue, Sep 8, 2009 at 7:33 PM, Vik <[email protected]> wrote: > hie any updates on this please? > Thankx and Regards > > Vik > Founder > www.sakshum.com > www.sakshum.blogspot.com > > > On Sat, Sep 5, 2009 at 8:07 PM, Vik <[email protected]> wrote: > >> Hie >> yeah I did that.. >> >> and what I get are two different values from this block >> >> At first time of app startup >> vik.sakshum.sakshumweb.jsp.model.jdo.PMF <clinit>: Loading PMF in >> com.google.apphosting.runtime.security.userclassloa...@1f7cdc7 >> >> and in another flow >> vik.sakshum.sakshumweb.jsp.model.jdo.PMF <clinit>: Loading PMF in >> com.google.apphosting.runtime.security.userclassloa...@1e6f0ef >> >> >> So, it means it is trying to load it in two different class loaders. So, >> how should I fix it? >> >> Thankx and Regards >> >> Vik >> Founder >> www.sakshum.com >> www.sakshum.blogspot.com >> >> >> On Sat, Sep 5, 2009 at 5:14 AM, Jason (Google) <[email protected]>wrote: >> >>> Based on one of your recent posts, it seems like multiple >>> PersistenceManagerFactory instances are being created by different >>> classloaders. Since this is an expensive operation, this could explain why >>> you're experiencing such slow performance. Did you follow Toby's suggestion >>> in the last post? >>> ----- >>> 1) Are you maybe loading that singleton class in different >>> classloaders? Try logging the classloader object reference that tries to >>> create the PersistenceManagerFactory. You can add a static initializer ABOVE >>> pmfInstance. >>> >>> static { >>> logger.log(Level.SEVERE, "Loading PMF in " + >>> PMF.class.getClassLoader()"); >>> } >>> ----- >>> >>> - Jason >>> >>> On Thu, Sep 3, 2009 at 10:03 AM, Vik <[email protected]> wrote: >>> >>>> Hie >>>> Strange to hear that if it is creating PMF again.... >>>> >>>> Should it do it just once when i logged in? In the logging process I do >>>> get an instance of PMF. So, why it is doing that again? >>>> Any advise what may be going wrong here? >>>> >>>> >>>> Thankx and Regards >>>> >>>> Vik >>>> Founder >>>> www.sakshum.com >>>> www.sakshum.blogspot.com >>>> >>>> >>>> On Thu, Sep 3, 2009 at 10:25 PM, datanucleus >>>> <[email protected]>wrote: >>>> >>>>> >>>>> > 17. I09-03 09:46AM 31.994 >>>>> > >>>>> > vik.sakshum.sakshumweb.jsp.model.jdo.PMF <clinit>: Loading PMF in >>>>> > com.google.apphosting.runtime.security.userclassloa...@8fcc7b >>>>> > >>>>> > 18. I09-03 09:46AM 41.622 >>>>> >>>>> Don't you think it's a strange way to "benchmark" things by including >>>>> known one-off operations like creating a PMF ? >>>>> Personally that ought to be included in application startup timings, >>>>> rather than "time taken to read 200 records". >>>>> >>>>> >>>>> >>>> >>>> >>>> >>> >>> >>> >>> >> > --~--~---------~--~----~------------~-------~--~----~ 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] For more options, visit this group at http://groups.google.com/group/google-appengine-java?hl=en -~----------~----~----~----~------~----~------~--~---
