If it's only for your test suite, use a local memory-only node via the Ripple::TestServer. If you configure it correctly (there's a bundled Rails generator that helps), it will delete all the contents of Riak in one fell-swoop after or before each test/example.
On Fri, Sep 7, 2012 at 2:49 AM, Brad Heller <b...@cloudability.com> wrote: > Hey all, > > So we're rolling out Riak more and more and so far, so good. In fact we're > starting to accumulate a pretty sizable test suite of our data access layer. > To support this we've written some code that helps clean out buckets between > test runs. We're using Ruby (ripple + ruby-risk-client, obviously) so we > just monkey patch the bucket object and detect if it was used or not. > > If it was used during a test, we iterate over all the keys and delete each > one. We're cognizant of the risks in doing this for large clusters, but in > our test enviro the number of documents per test is pretty small and the > operations themselves are quite fast. > > The problem we're having, though, is that when we run the full suite (or a > large subset of the suite) all at once the churn in Riak seems to be so > quick that sometimes Riak isn't quite in the state that we expect it to be > in when the test runs! For instance, we have a test that checks that the > right number of linked documents are created when a given object is saved. > If we run the test by itself everything works fine--the expectation that 10 > documents are created indeed checks out. If we run this test as part of a > large suite of tests, the expectation fails and sometimes 11 documents or 12 > documents appear (we check by counting the keys in the linked bucket). > > I would think that this has something to do with Riak's eventually > consistent delete operation, but wanted to tap in to the brain trust: Is > there any tuning we can do in test to prevent this? > > Thanks, > > Brad Heller | Engineering Lead | Cloudability.com | 541-231-1514 | Skype: > brad.heller | @bradhe | @cloudability > > We're hiring! http://cloudability.com/jobs > > > _______________________________________________ > riak-users mailing list > riak-users@lists.basho.com > http://lists.basho.com/mailman/listinfo/riak-users_lists.basho.com > -- Sean Cribbs <s...@basho.com> Software Engineer Basho Technologies, Inc. http://basho.com/ _______________________________________________ riak-users mailing list riak-users@lists.basho.com http://lists.basho.com/mailman/listinfo/riak-users_lists.basho.com
