Hi

1400+ virtual log files is a high fragmentation into the log file(s).

These three articles should be enough to understand how to configure your log

http://www.sqlskills.com/blogs/kimberly/transaction-log-vlfs-too-many-or-too-few/

http://www.sqlskills.com/blogs/kimberly/8-steps-to-better-transaction-log-throughput/

http://www.sqlskills.com/blogs/paul/bug-log-file-growth-broken-for-multiples-of-4gb/

Regards,

Igor