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supporting query with large result

Xuehan Ke requested to merge kexh/wukong:large_result_master into master

supporting query with large result

test large q1

prevoious code

config: dataset lubm_2560, 2 node

wukong> sparql -f sparql_query/lubm/large/q1 -p sparql_query/lubm/large/manual_plan/q1.fmt -m 16 -n 10.
INFO: Parsing a SPARQL query is done.
INFO: Parsing time: 57 usec.
INFO: User-defined query plan is enabled.
ERROR: Size of ring buffer is smaller than message, please check your configure.
ERROR: Assertion: /home/keke/wukong/core/comm/rdma_adaptor.hpp(send:393): 'false' failed.

after add it

wukong > sparql -f sparql_query/lubm/large/q1 -p sparql_query/lubm/large/manual_plan/q1.fmt -m 16 -n 10
INFO: Parsing a SPARQL query is done.
INFO: Parsing time: 105 usec
INFO: User-defined query plan is enabled
INFO: (last) result size: 60863848
INFO: (average) latency: 537979 usec

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