Hi Sean, Are you running your test suite against 1.1.x? We have seen 400 errors in the past where the client in a keep-alive connection emitted additional CRLFs or other whitespace beyond the ones required for the request. The next time a request was made, the 400 error was already on the wire because the HTTP parser failed to recognize the (non-existent) request in the additional whitespace. This error should be fixed already in 1.1.x.
On Mon, May 14, 2012 at 5:45 PM, Sean O'Connor <s...@focuslab.io> wrote: > Hello, > > I've been seeing some strange behavior from Riak and any help or feedback > would be very welcome. > > In particular, we've been seeing pseudo-radom 400 errors from Riak when we > run our test suite. Our test suite hits riak pretty hard to test various > queries and situations in our app and the errors seem to happen a few > seconds after the CPUs on the testing machine get saturated. I say > psuodo-random as the errors tends to happen in a particularly riak heavy > portion of our test suite but the specific call to riak that errors is > often different (reads, writes, map/reduce jobs, 2i queries). The thing > that is really baffling about these errors is there doesn't seem to be any > information attached other than the 400 message and nothing shows up in any > of the riak logs. > > If we introduce a 2 second delay between tests in our test suite, the > problem goes away but obviously slows down our test suite quite a bit. > Aside from that, I am concerned about this potentially happening in our > production cluster. > > Is this more or less the expected behavior of Riak when it gets > overwhelmed or does it sound like there is something that should be > investigated further here? I suspect that I can create a script to > replicate the problem but if this is somewhat expected then I won't waste > the time writing it. > > Thanks! > > -- > Sean O'Connor > Co-Founder/CTO > FocusLab <http://www.focuslab.io> > (845)669-0883 > > > _______________________________________________ > 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/
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