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SFTP_RE_TRY_MAX_CNT - max number of attempts to execute the command to download a file from SFTP (5 attempts by default)
SFTP_RE_TRY_ATT_INTERVAL - time in seconds between these attempts
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Usual scenario (MSGEXCHANGE/RUNPREPROCESSOR attempt fails after the 60sec timeout):
Total timeout = FTP_RE_TRY_MAX_CNT CNT (default=5) * 60 seconds = 300 seconds by default
Unusual scenario (MSGEXCHANGE/RUNPREPROCESSOR fails in a matter of seconds):
Total timeout = FTP_RE_TRY_MAX_CNT (default=5) * FTP_RE_TRY_ATT_INTERVAL