[DOP-22297] Parallel reading from JDBC sources #1209

Job	Run time
S3 tests / Run S3 tests	3m 59s
SFTP tests / Run SFTP tests	3m 22s
Samba tests / Run Samba tests	3m 14s
FTP tests / Run FTP tests	3m 44s
FTPS tests / Run FTPS tests	3m 19s
Clickhouse tests / Run Clickhouse tests	5m 36s
WebDAV tests / Run WebDAV tests	3m 36s
Oracle tests / Run Oracle tests	5m 8s
MSSQL tests / Run MSSQL tests	4m 48s
MySQL tests / Run MySQL tests	4m 48s
HDFS tests / Run HDFS tests	5m 42s
Hive tests / Run Hive tests	4m 57s
Unit tests / Run unit tests	3m 54s
Scheduler tests / Run Scheduler tests	2m 24s
Tests done	0s
	58m 31s

Provide feedback