ELSAR

External Learned Sorting for ASCII Records

To generate data

./third_party/gensort -a <num_recs> /data/input_file

To compile ELSAR

./compile.sh

To run ELSAR

./run.sh <input_file> <output_file> <temp_root> <num_threads>

To verify data's checksum and sortedness

./third_party/valsort /data/input_file

Disclaimer This code has been tested on Linux Ubuntu 20.04 with input sizes up to 1.5TB.