9. Appendix: creating server.conf¶
The file server.conf
configures a mdtmFTP server’s operation
parameters. It is used for mdtmFTP server with versions < 1.1.1.
Here is a sample server.conf
file:
blocksize 4194304
direct 1
splice 0
monitor 0
blocksize
sets the block size for disk I/O operations. The block size should be 4K or multiple of 4k (e.g. 4M).direct
enables direct I/O. When direct I/O is enabled, file reads and writes go directly from mdtmFTP to the storage device(s), bypassing the OS R/W caches. For bulk data transfer, enabling direct I/O would improve performance.splice
enables zero-copy by using the Linux splice mechanism.monitor
enables MDTM monitoring.
Note
splice
is an experimental feature that may not function
well in some systems. You can turn this feature off by
setting splice to 0
.