Ubuntu

12.04 Slow NIS performance with Ubuntu

Asked by Evren Yurtesen

I have setup NIS client on Ubuntu, however programs such as 'finger' function very slowly. With same settings, this works much faster on Fedora. the difference is about 0.5seconds vs 5 seconds. IP is used in yp.conf for the server settings (the yp.conf is same in the Fedora and Ubuntu box). I tried installing nscd but it didnt help and also it was not existent on Fedora anyway.

Any ideas on what might be the problem?

# cat nsswitch.conf
# /etc/nsswitch.conf
#
# Example configuration of GNU Name Service Switch functionality.
# If you have the `glibc-doc-reference' and `info' packages installed, try:
# `info libc "Name Service Switch"' for information about this file.

passwd: files compat
group: files compat
shadow: files

hosts: files mdns4_minimal [NOTFOUND=return] dns mdns4
networks: files

protocols: db files
services: db files
ethers: db files
rpc: db files

netgroup: files nis
#

# cat yp.conf
#
# yp.conf Configuration file for the ypbind process. You can define
# NIS servers manually here if they can't be found by
# broadcasting on the local net (which is the default).
#
# See the manual page of ypbind for the syntax of this file.
#
# IMPORTANT: For the "ypserver", use IP addresses, or make sure that
# the host is in /etc/hosts. This file is only interpreted
# once, and if DNS isn't reachable yet the ypserver cannot
# be resolved and ypbind won't ever bind to the server.

# ypserver ypserver.network.com

domain XXX.YY server X.Y.Z.Q
ypserver X.Y.Z.Q
ypserver X.Y.Z.Q1

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Revision history for this message
actionparsnip (andrew-woodhead666) said : 		#1

I suggest you report a bug, the fact that it works ok in Fedora is quite interesting as they are both the same OS, Linux.

Revision history for this message
Evren Yurtesen (eyurtese-g) said : 		#2

I thought it would make sense to ask in "answers" first to see if this is a known issue of some sort. I think I will give it a few days and make a bug report.

It is quite strange really. I have setup NIS client several times in Fedora and used same settings directly from config files I used in Fedora. Yet things like 'finger' works slow in all of the ubuntu installations.

Revision history for this message
Evren Yurtesen (eyurtese-g) said : 		#3

The only difference I can see is that ubuntu runs ypbind with -no-dbus option... I wonder if that can be the problem...

Revision history for this message
Evren Yurtesen (eyurtese-g) said : 		#4

OK. I have tried to run ypbind with -no-dbus on Fedora and it still executes 'finger' fast...

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