Re: Cache OCI Calls to Improve Performance of 32-Bit or 64-Bit Oracle Clients
- From: Robert Eskridge <bryny@xxxxxxxxxxx>
- To: oracle-l@xxxxxxxxxxxxx
- Date: Thu, 6 May 2004 16:49:29 -0500
So I got this puppy compiled with gcc and it seems to work as
advertised (saved 189,000 opens of oraus.msb for one Pro*C application
doing 500 transactions).
Some things are a little off when the LD_PRELOAD environment variable
is set. For instance if I try to do a truss that starts a program:
$ truss -f -o truss.out application
ld.so.1: truss: fatal: ./cache_oraus.so: wrong ELF class: ELFCLASS64
Killed
$
That's with the -m64 flag on gcc. If I don't put the -m64 flag it
complains about ELFCLASS32.
On the other hand, if I start truss in another shell and tell it the
process number of the process it handles it just fine.
It's an annoyance that I can work around buy setting the LD_PRELOAD
before the Pro*C app and unsetting it immediately afterwards. But it
is still an annoyance.
R> http://developers.sun.com/solaris/articles/oci_cache.html#4
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