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NAMErpc.ypxfrd —
NIS map transfer server
SYNOPSIS
DESCRIPTIONTherpc.ypxfrd utility is used to speed up the
distribution of very large NIS maps from NIS master to NIS slave servers. The
normal method for transferring maps involves several steps:
This process can take several minutes when there are very large maps involved. For example: a passwd database with several tens of thousands of entries can consume several megabytes of disk space, and it can take the db(3) library package a long time to sort and store all the records in a hash database. Consider also that there are two sets of map files: master.passwd.by{name,uid} and passwd.by{name,uid}. The The OPTIONSThe following option is available:
FILES
SEE ALSOyp(8), yppush(8), ypserv(8), ypxfr(8)AUTHORSBill Paul <wpaul@ctr.columbia.edu>BUGSThe FreeBSDypxfrd protocol is
not compatible with that used by SunOS. This is unfortunate but unavoidable:
Sun's protocol is not freely available, and even if it were it would probably
not be useful since the SunOS NIS v2 implementation uses the original ndbm
package for its map databases whereas the FreeBSD
implementation uses Berkeley DB. These two packages use vastly different file
formats. Furthermore, ndbm is byte-order sensitive and not very smart about
it, meaning that am ndbm database created on a big endian system cannot be
read on a little endian system.
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