[Lustre-discuss] RPC packing

teng wang tzw0019 at gmail.com
Tue Oct 7 08:03:58 PDT 2014


 I know the RPC will pack the
client's data into 4MB buffer and transfer. The question is does the
client pack the writes even the writes on the client belong
to noncontiguous extents of the same file? Say, 1 client is issuing
two writes on two noncontiguous extents of the same file, the first write
from offset 0 to 16KB-1, the second write from 32KB to
48KB-1,  apparently these two writes are noncontiguous, so
will the two writes still be packed into the 4MB buffer?

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