Character set conversion of host data (from native to SJIS): The legacy system converts the character set from native to SJIS. We ported this process to Unicage. We confirmed the input and output files are the same and calculated the difference in processing speed using Unicage.
|Data Amount||2GB (7,240,555 records)||5GB (18,095,303 records)||10GB (36,178,437 records)|
|Java||3hrs 7mins 53secs||7hrs 30mins||15 hrs|
|Unicage||43.411 secs||1 min 49.085 secs||4 mins 16.906 secs|
|Difference||11273/43.411=259x faster||27000/109.085=247x faster||54000/256.906=210x faster|