One of the catches regarding the quantum limit is that unless the query starts exactly on a boundary, the effective limit is one fewer because it is determined by the number of partitions the query has to touch.
I suspect that's the behavior you're seeing. Sent from my iPhone > On Oct 17, 2016, at 9:38 PM, Joe Olson <technol...@nododos.com> wrote: > > According to the documentation at > > https://docs.basho.com/riak/ts/1.4.0/using/querying/guidelines/ > > "A query covering more than a certain number of quanta (5 by default) will > generate the error too_many_subqueries and the query system will refuse to > run it. Assuming a default quantum of 15 minutes, the maximum query time > range is 75 minutes." > > However, the example shows a table of quantum 15 seconds. After the example: > > "The maximum time range we can query is 60s, anything beyond will fail." > > ....which seems to contradict the first assertion. > > Furthermore, I have been getting inconsistant behavior using the quantum. > > I have a code snippet placed here, demonstrating this behavior: > > https://gist.github.com/anonymous/a4a4ccb8617a00d38fb47a6b11571d81 > > In this example, I set up two tables, one with a quantum of 6 hours, another > with a quantum of 12 days. > > I am using the default range (5) on my cluster. > > A query spanning 5 quantum partitions is allowed on the 6 hour table, a query > spanning 5 quantum partitions > on the 12 day table fails with the 'too many subqueries' error. > > Are the number of allowed subqueries different depending on the quantum size? > > If so, is there more detailed documentation on the subject? > > Thanks! > > > _______________________________________________ > riak-users mailing list > riak-users@lists.basho.com > http://lists.basho.com/mailman/listinfo/riak-users_lists.basho.com _______________________________________________ riak-users mailing list riak-users@lists.basho.com http://lists.basho.com/mailman/listinfo/riak-users_lists.basho.com
