Noted, we'll set up our servers accordingly.
On Wed, Sep 18, 2013 at 9:45 PM, Nuwan Dias <[email protected]> wrote: > Thanks for the explanations Sinthuja. @Suneth, please test this by > clustering the Cassandra servers. > > Thanks, > NuwanD. > > > On Wed, Sep 18, 2013 at 9:36 PM, Sinthuja Ragendran <[email protected]>wrote: > >> Hi Nuwan/Chamara, >> >> For the load-balancing/fail-over data publishing, we need to have the >> following BAM setup. >> >> 1) Cassandra servers should be clustered within both BAM nodes. Only then >> all the data received by the BAM will go to the cassandra cluster, and >> there won't be any data loss regardless of the receiver is down. >> >> 2) Also both analytic scripts in the BAM node should be pointing to the >> one RDBMS database from which the dashboard is going to render the data. >> >> The BAM nodes should be configured as above, then only you can validate >> the load-balancing/fail-over functionality in proper way. When you have >> separate Cassandra instance/RDBMS instance, then both BAM summarization >> will be independent and will consider only the data local to that >> particular BAM instance. >> >> So please setup the BAM as above mentioned, with cassandra cluster and >> single RDBMS and test the functionality. >> >> Thanks, >> Sinthuja. >> >> >> On Wed, Sep 18, 2013 at 8:52 AM, Sinthuja Ragendran <[email protected]>wrote: >> >>> Hi chamara, >>> >>> whether the cassandra is clustered within these two BAM setups? Please >>> confirm. >>> >>> Thanks, >>> Sinthuja. >>> >>> >>> On Wed, Sep 18, 2013 at 8:35 AM, Nuwan Dias <[email protected]> wrote: >>> >>>> I believe this concern is regarding issue [1]. @Sinthuja, can you >>>> please go through this and see whether reducing the polling interval is a >>>> valid workaround for the problem. If not, what other ways does the >>>> data-publishing-agent provide of immediately detecting failures? >>>> >>>> According to Chamara, both ESB and AS are capable to handling failovers >>>> with zero data loss. >>>> >>>> [1] - https://wso2.org/jira/browse/APIMANAGER-1658. >>>> >>>> Thanks, >>>> NuwanD. >>>> >>>> >>>> On Wed, Sep 18, 2013 at 8:34 PM, Sinthuja Ragendran >>>> <[email protected]>wrote: >>>> >>>>> AFAIK yes. >>>>> >>>>> Thanks, >>>>> Sinthuja. >>>>> >>>>> >>>>> On Tue, Sep 17, 2013 at 10:19 PM, Chamara Ariyarathne < >>>>> [email protected]> wrote: >>>>> >>>>>> Is it implemented the way ESB and AS does it? >>>>>> >>>>>> As Load Balancing and Failover both ways. >>>>>> >>>>>> -- >>>>>> *Chamara Ariyarathne* >>>>>> Senior Software Engineer - QA; >>>>>> WSO2 Inc; http://www.wso2.com/. >>>>>> Mobile; *+94772786766* >>>>>> >>>>> >>>>> >>>>> >>>>> -- >>>>> *Sinthuja Rajendran* >>>>> Software Engineer <http://wso2.com/> >>>>> WSO2, Inc.:http://wso2.com >>>>> >>>>> Blog: http://sinthu-rajan.blogspot.com/ >>>>> Mobile: +94774273955 >>>>> >>>>> >>>>> >>>> >>>> >>>> -- >>>> Nuwan Dias >>>> >>>> Senior Software Engineer - WSO2, Inc. http://wso2.com >>>> email : [email protected] >>>> Phone : +94 777 775 729 >>>> >>> >>> >>> >>> -- >>> *Sinthuja Rajendran* >>> Software Engineer <http://wso2.com/> >>> WSO2, Inc.:http://wso2.com >>> >>> Blog: http://sinthu-rajan.blogspot.com/ >>> Mobile: +94774273955 >>> >>> >>> >> >> >> -- >> *Sinthuja Rajendran* >> Software Engineer <http://wso2.com/> >> WSO2, Inc.:http://wso2.com >> >> Blog: http://sinthu-rajan.blogspot.com/ >> Mobile: +94774273955 >> >> >> > > > -- > Nuwan Dias > > Senior Software Engineer - WSO2, Inc. http://wso2.com > email : [email protected] > Phone : +94 777 775 729 > -- Suneth Ranasinghe Senior Software Engineer - QA Mobile: +94717387198 * * wso2.com Lean Enterprise Middleware
_______________________________________________ Dev mailing list [email protected] http://wso2.org/cgi-bin/mailman/listinfo/dev
