​Did the time and sale data have limit of a gzip file, in V1, it is 500 MB, and how about V2? (fr...

Tick History v1 had a limitation of 15GB for a given response report, and that would be broken up into multiple 1GB files. In Tick History v2, those limits are removed, you'll receive a single file as large as it needs to be, to satisfy your request. Note that a single request can have a maximum of 30,000 RICs, and has a 48 hour report-run timeout.