Re: How can binaries be different when package versions are identical? (mkfs.ext3 on CentOS 5.4)

[Aleksey Tsalolikhin <atsaloli.tech@xxxxxxxxx>]

On Wed, Jun 30, 2010 at 1:48 AM, Peter Kjellstrom <cap@xxxxxxxxxx> wrote:
> On Wednesday 30 June 2010, Spiro Harvey wrote:
>> Aleksey Tsalolikhin <atsaloli.tech@xxxxxxxxx> wrote:
>> > (a) account for the difference in the binaries, and
>> > (b) see if something else is different that I can make the same to get
>> > the mkfs.ext3 time down to 15 sec on both systems.
>> > Solving (a) should shed light on (b).  Any ideas?
>>
>> Look into prelinking (man prelink). A prelinker from /etc/cron.daily
>> that changes the binaries with an aim to speed up execution.

Yes, actually the full "rpm -V" message mentions prelink:

[root@server2 ~]# rpm -V e2fsprogs
prelink: /sbin/mkfs.ext3: at least one of file's dependencies has
changed since prelinking
S.?....T    /sbin/mkfs.ext3
[root@server2 ~]#

I will RTFM on prelink.  Thank you, Spiro, all!

Aleksey
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