Bryan Thompson

I don’t see anything terribly informative in the log file. It appears to encounter a stream closed exception while trying to query the length of the file. There might be...

Adding Michael. Bryan On Fri, Nov 16, 2018 at 11:02 AM Stanislav Malyshev < [email protected]> wrote: > Digging a bit more into it, in > JVMPipelinedHashJoinUtility/acceptAndOutputSolutions this loop: > >...

Michael Schmidt. He wrote the pipelined hash join code. Bryan On Fri, Nov 16, 2018 at 11:13 AM Stanislav Malyshev wrote: > > @mschmidt00 ? > > — > You...

I asked Michael to take a look. He did take a brief look. Suggest you and he follow up. It would definitely help to provide plain blazegraph test cases for...

Another technique to capture these problems is to enable the solutions logger in log4j.properties. This shows everything flowing into/out of each operator. That can give you the data you need...

This section should be in the default log4j.properties file. You just uncomment one line to enable this logger. ## # Solutions trace (tab delimited file). Uncomment the next line to...

I suspect that the correct behavior when there are no join variables is to map all solutions into the same bucket - same key. On Mon, Dec 10, 2018 at...

Adding Michael. Bryan On Mon, Dec 10, 2018 at 9:57 PM Stanislav Malyshev wrote: > > I think I found simple reproduction for it. Load the data from here: https://gist.github.com/smalyshev/b45a4dd739592361b413f5234de47dd7...

Are the underlying data integer or float? Promotion from integer to float does not occur for sum (for SPARQL) unless there are some floating point values. In general, type promotion...

Data should be immediately available at the commit. Depending on the operation and the backend storage mode the commit can have significant latency as dirty pages are flushed. The data...