Something like memcached is commonly used for this scenario. Is memcached poorly suited for your goals or data access patterns?
On Mon, Jun 2, 2014 at 10:06 AM, Balakrishna R < balakrishn...@spanservices.com> wrote: > Hi, > > > > We are evaluating ‘Apache storm’ for one of the business use cases. In > this use case, the incoming transactions/stream should be processed by set > of rules or logic. In this process, there is a need of considering the > historical data (may be 2 weeks or a month old) also. > > > > Understand that, Storm will give better performance to process the > incoming transactions in real-time. What if we have to read the historical > data from RDBMS and use that data in the bolts? > > Will this degrade the performance of whole cluster (as RDBMS systems might > cause some delay due to the high load of reads from the parallelizing > different bolts to achieve the better performance). > > > > Any suggestion on solving this situation? Please share. > > > > > > Thanks > > Balakrishna > > DISCLAIMER: This email message and all attachments are confidential and > may contain information that is Privileged, Confidential or exempt from > disclosure under applicable law. If you are not the intended recipient, you > are notified that any dissemination, distribution or copying of this email > is strictly prohibited. If you have received this email in error, please > notify us immediately by return email to mailad...@spanservices.com and > destroy the original message. Opinions, conclusions and other information > in this message that do not relate to the official of SPAN, shall be > understood to be nether given nor endorsed by SPAN. >
