Re: libraries

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On Wed, 2008-05-21 at 23:33 +0000, tony.chamberlain@xxxxxxxxx wrote:
>  
> We have two machines installed identically (Centos 4.5) and also we
> installed our own software
> on them identically on both.  This software uses mysql.
> 
> Someone pointed out that one one of the machines, mysql was using a
> lot more cpu.
> I did an ldd on our process that uses mysql (and did readlink -f to
> get the final file
> name which was not linked) and then did md5sum on the resulting
> libraries.  Some of the libraries
> on machine 2 were different (at least with md5sum).

If they have different MD5 sums then they're different, period.

You might try 'rpm -V <package>' to see if any packages are damaged.

>  So someone suggesting taring up the libraries
> from the machine where they work and untarring to the new machine.
> 
> This worked fine on one machine, but on the other there seems to be
> problems with an unrelated
> ATM process (though it could be coincidental).
> 
> Any problems with copying libraries from one machine to another?
> They were these:
> 
>         /lib/libnsl-2.3.4.so
>         /lib/libgcc_s-3.4.6-20060404.so.1
>         /lib/libzutil.so
>         /lib/libstdc++.so.5
>         /usr/lib/libz.so.1.2.1.2
>         /usr/lib/libOamDBApi.so

Did you run ldconfig(8)?

poc

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