It depends on your specific application, but if you are modifying specific
rows based on an index you can do fields grouping by that index so that
only one bolt will ever update a particular row.
On Mon, Apr 28, 2014 at 6:40 PM, Raphael Hsieh wrote:
> How does Storm handle multiple writers writ
How does Storm handle multiple writers writing data to an external
datastore ? If there are multiple workers working to process the data, each
of them must also do the "write" to the database. If there are multiple
writers to the database that are storing data, how does it make sure that
the writer