Sample of GridFTP logs we used in the paper "Cross-geography Scientific Data Transfer Trends and User Behavior Patterns"

Data fields

Name	Type	Unit	Description
appname	String	N/A	GridFTP client application name
block_size	Integer	byte	disk blocksize used for transfer
buffer_size	Integer	byte	tcp buffer size used for transfer
end_time	Float	second	end time of transfer (POSIX time)
ftp_return_code	Integer	N/A	ftp result code (226 = success, 5xx = fail)
gftp_version	String	N/A	version string of GridFTP server
server_id	Integer	N/A	A unique ID based on server IP address
num_bytes	Integer	byte	number of bytes transferred
num_streams	Integer	N/A	number of parallel streams used
num_stripes	Integer	N/A	number of stripes used
start_time	Float	second	start time of transfer
trans_type	String	N/A	transfer command: RETR, STOR, LIST, etc

All logs in 2017 are expected to be online around mid-February, 2018. Contact me if you cannot wait.

Since the dataset is big, we are working to make it available online via other sharing service, e.g., Data Sharing With Globus.