hie Can anyone please guide on this? Thankx and Regards
Vik Founder www.sakshum.com www.sakshum.blogspot.com On Fri, Sep 11, 2009 at 10:24 PM, Vik <[email protected]> wrote: > 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 -~----------~----~----~----~------~----~------~--~---
