Kasun we should move to Nashorn - we're already doing that in UUF and that's the future.
On Wed, Apr 13, 2016 at 1:58 AM, Manuranga Perera <m...@wso2.com> wrote: > I assume the current script engine use evaluate method. We can support > evaluating once and invoking per request. This will add significant > per-request performance improvements. > > Also when switching to nashorn we may be able to support IDEA debugging > like we have done for new UI framework. > > On Mon, Apr 11, 2016 at 1:47 PM, Kasun Indrasiri <ka...@wso2.com> wrote: > >> I think for a major release such as 5.0, its quite important to get this >> kind of major limitations fixed (this has been raised in several occasions >> AFAIR) >> >> Lets spend sometime and evaluate the effort involves with this. >> For Connectors, if this introduce any issues, we have to fix them and >> re-release connectors. Here we are talking about a major release and we >> simply can't halt such enhancements because of the down stream >> components/features. >> >> On Mon, Apr 11, 2016 at 2:04 PM, Maheeka Jayasuriya <mahe...@wso2.com> >> wrote: >> >>> Hi all, >>> >>> Current script mediator implementation depends on apache-commons-bsf-3.0 >>> to get the script engines for Rhino, Ruby, Groovy and Jython [1][2]. >>> However, moving forward if we are to support newer Rhino and Nashorn (for >>> Java 8) we can directly use these engines or any other implementation of >>> our own by extending javax.script.ScriptEngine and >>> javax.script.ScriptEngineFactory respectively. We only need to register >>> these with the javax.script.ScriptEngineManager. We can for the moment >>> support newer version of Rhino and Nashorn as new script engines (by >>> defining a new parameter value to select the engine) so as to not break the >>> existing stories. >>> >>> Are we aware of all the limitations of Rhino at the moment? Is it only >>> the 64KB limitation that we are focusing on? >>> >>> [1] http://commons.apache.org/proper/commons-bsf/ >>> [2] >>> https://github.com/wso2/wso2-synapse/blob/master/modules/extensions/src/main/java/org/apache/synapse/mediators/bsf/ScriptMediator.java >>> : initScriptEngine() method >>> >>> Thanks, >>> Maheeka >>> >>> >>> Maheeka Jayasuriya >>> Software Engineer >>> Mobile : +94777750661 >>> >>> On Mon, Apr 11, 2016 at 12:55 PM, Prabath Ariyarathna < >>> prabat...@wso2.com> wrote: >>> >>>> @PrabathAR - Can you give us more details on this please? >>>> >>>> Inside Rhino engine, we can set optimization levels[1] which change the >>>> behavior of the engine. Default level is 0 and no optimizations are >>>> performed, but we can set this level in between -1 and 9 for the different >>>> optimizations. We can set this level to -1 which Rhino switch into the >>>> interpreted mode, which means that it goes down to a different path for >>>> executing the code than it does in compiled mode. Interpreted mode is, of >>>> course, slower than compiled mode but improvement from the memory usage >>>> side[2]. >>>> If we can give the optimization level in a configurable way we can >>>> overcome this issue. >>>> >>>> But +1 for adding new Rhino version if issue already fixed it in the >>>> later version. However we can check the possibility of adding configurable >>>> optimization levels. >>>> >>>> [1] >>>> https://developer.mozilla.org/en-US/docs/Mozilla/Projects/Rhino/Optimization >>>> [2] >>>> http://stackoverflow.com/questions/14538541/performance-of-the-compiled-vs-interpreted-javascript-in-java7-rhino >>>> >>>> Thanks. >>>> >>>> On Mon, Apr 11, 2016 at 12:34 PM, Vanjikumaran Sivajothy < >>>> va...@wso2.com> wrote: >>>> >>>>> With JDK 8, there is an in-build JS engine called Nashorn. Isn't that >>>>> worth to leverage the JS support by using native implementation to JDK 8? >>>>> >>>>> >>>>> [1] >>>>> http://www.oracle.com/technetwork/articles/java/jf14-nashorn-2126515.html >>>>> >>>>> On Sun, Apr 10, 2016 at 11:57 PM, Malaka Silva <mal...@wso2.com> >>>>> wrote: >>>>> >>>>>> PrabathAR has already found a way to support this using existing >>>>>> rhino version. There is a configuration to optimize the execution. >>>>>> >>>>>> @PrabathAR - Can you give us more details on this please? >>>>>> >>>>>> On Mon, Apr 11, 2016 at 12:22 PM, Nuwan Pallewela <nuw...@wso2.com> >>>>>> wrote: >>>>>> >>>>>>> Hi All, >>>>>>> >>>>>>> There is a limitation in wso2 script mediator when we try to >>>>>>> manipulate payloads with JavaScript as the scripting language, when the >>>>>>> Payload size is larger than 64KB, ESB throws an exception. Cause for >>>>>>> this >>>>>>> is Rhino version which is used by the script mediator has a limitation >>>>>>> of >>>>>>> handling JavaScript objects of size 64KB or more. But rhino have fixed >>>>>>> it >>>>>>> in the later versions. So we can include new rhino and nashorn engines >>>>>>> as >>>>>>> the script engine for JS in script mediator and avoid the limitation of >>>>>>> handling larger payloads. >>>>>>> Can we do this improvement to ESB 5.0.0 release? >>>>>>> >>>>>>> Thanks, >>>>>>> Nuwan >>>>>>> >>>>>>> -- >>>>>>> ---------------------------------------------------------- >>>>>>> >>>>>>> *Nuwan Chamara Pallewela* >>>>>>> >>>>>>> >>>>>>> *Software Engineer* >>>>>>> >>>>>>> *WSO2, Inc. *http://wso2.com >>>>>>> *lean . enterprise . middleware* >>>>>>> >>>>>>> Email *nuw...@wso2.com <nuw...@wso2.com>* >>>>>>> Mobile *+94719079739 <%2B94719079739>@* >>>>>>> >>>>>>> >>>>>>> >>>>>>> _______________________________________________ >>>>>>> Architecture mailing list >>>>>>> Architecture@wso2.org >>>>>>> https://mail.wso2.org/cgi-bin/mailman/listinfo/architecture >>>>>>> >>>>>>> >>>>>> >>>>>> >>>>>> -- >>>>>> >>>>>> Best Regards, >>>>>> >>>>>> Malaka Silva >>>>>> Senior Tech Lead >>>>>> M: +94 777 219 791 >>>>>> Tel : 94 11 214 5345 >>>>>> Fax :94 11 2145300 >>>>>> Skype : malaka.sampath.silva >>>>>> LinkedIn : http://www.linkedin.com/pub/malaka-silva/6/33/77 >>>>>> Blog : http://mrmalakasilva.blogspot.com/ >>>>>> >>>>>> WSO2, Inc. >>>>>> lean . enterprise . middleware >>>>>> http://www.wso2.com/ >>>>>> http://www.wso2.com/about/team/malaka-silva/ >>>>>> <http://wso2.com/about/team/malaka-silva/> >>>>>> https://store.wso2.com/store/ >>>>>> >>>>>> Save a tree -Conserve nature & Save the world for your future. Print >>>>>> this email only if it is absolutely necessary. >>>>>> >>>>>> _______________________________________________ >>>>>> Architecture mailing list >>>>>> Architecture@wso2.org >>>>>> https://mail.wso2.org/cgi-bin/mailman/listinfo/architecture >>>>>> >>>>>> >>>>> >>>>> >>>>> -- >>>>> Vanjikumaran Sivajothy >>>>> *Associate Technical Lead* >>>>> *WSO2 Inc. http://wso2.com <http://wso2.com/>* >>>>> *+1-925-464-6816* >>>>> [image: Facebook] <https://www.facebook.com/vanjikumaran> [image: >>>>> Twitter] <https://twitter.com/vanjikumaran> [image: LinkedIn] >>>>> <http://www.linkedin.com/pub/vanjikumaran-sivajothy/25/b31/293> [image: >>>>> Blogger] <http://vanjikumaran.blogspot.com/> [image: SlideShare] >>>>> <http://www.slideshare.net/vanjikumaran> >>>>> >>>>> This communication may contain privileged or other >>>>> confidential information and is intended exclusively for the addressee/s. >>>>> If you are not the intended recipient/s, or believe that you may >>>>> have received this communication in error, please reply to the >>>>> sender indicating that fact and delete the copy you received and in >>>>> addition, you should not print, copy, re-transmit, disseminate, or >>>>> otherwise use the information contained in this communication. >>>>> Internet communications cannot be guaranteed to be timely, secure, error >>>>> or virus-free. The sender does not accept liability for any errors >>>>> or omissions >>>>> >>>>> _______________________________________________ >>>>> Architecture mailing list >>>>> Architecture@wso2.org >>>>> https://mail.wso2.org/cgi-bin/mailman/listinfo/architecture >>>>> >>>>> >>>> >>>> >>>> -- >>>> >>>> *Prabath Ariyarathna* >>>> >>>> *Associate Technical Lead* >>>> >>>> *WSO2, Inc. * >>>> >>>> *lean . enterprise . middleware * >>>> >>>> >>>> *Email: prabat...@wso2.com <prabat...@wso2.com>* >>>> >>>> *Blog: http://prabu-lk.blogspot.com <http://prabu-lk.blogspot.com>* >>>> >>>> *Flicker : https://www.flickr.com/photos/47759189@N08 >>>> <https://www.flickr.com/photos/47759189@N08>* >>>> >>>> *Mobile: +94 77 699 4730 * >>>> >>>> >>>> >>>> >>>> >>>> >>>> _______________________________________________ >>>> Architecture mailing list >>>> Architecture@wso2.org >>>> https://mail.wso2.org/cgi-bin/mailman/listinfo/architecture >>>> >>>> >>> >>> _______________________________________________ >>> Architecture mailing list >>> Architecture@wso2.org >>> https://mail.wso2.org/cgi-bin/mailman/listinfo/architecture >>> >>> >> >> >> -- >> Kasun Indrasiri >> Software Architect >> WSO2, Inc.; http://wso2.com >> lean.enterprise.middleware >> >> cell: +94 77 556 5206 >> Blog : http://kasunpanorama.blogspot.com/ >> >> _______________________________________________ >> Architecture mailing list >> Architecture@wso2.org >> https://mail.wso2.org/cgi-bin/mailman/listinfo/architecture >> >> > > > -- > With regards, > *Manu*ranga Perera. > > phone : 071 7 70 20 50 > mail : m...@wso2.com > > _______________________________________________ > Architecture mailing list > Architecture@wso2.org > https://mail.wso2.org/cgi-bin/mailman/listinfo/architecture > > -- Sanjiva Weerawarana, Ph.D. Founder, CEO & Chief Architect; WSO2, Inc.; http://wso2.com/ email: sanj...@wso2.com; office: (+1 650 745 4499 | +94 11 214 5345) x5700; cell: +94 77 787 6880 | +1 408 466 5099; voip: +1 650 265 8311 blog: http://sanjiva.weerawarana.org/; twitter: @sanjiva Lean . 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