1) Is there a way to tell from the server what the SDU/TDU values of a
client are? This way I can tell if the Oracle Names entry is being used
by
the app or if it's using the tnsnames.ora
Rich,
You can determine if a name is being resolved in Oracle Names by turning
tracing on, and checking the log files.
in names.ora:
NAMES.TRACE_LEVEL = 6
This is the minumum level that will show Onames hits/misses
>From the trace file:
This is a miss, and was resolved by tnsnames.ora
nngtgma_get_msg_asn: incoming message, 60 bytes long
nnocget_get_node: missed testingdb in the cache, ancestor is ""
nngtpma_put_msg_asn: entry
This is a hit:
nngtgma_get_msg_asn: incoming message, 55 bytes long
nnocget_get_node: found dal3 in the cache
nngtpma_put_msg_asn: entry
With names caching enabled, this is a cache miss, but a hit
for Onames. The name was then added to the cache:
nngtgma_get_msg_asn: incoming message, 177 bytes long
nnocget_get_node: missed VDRP in the cache, ancestor is ""
nnocget_get_node: created VDRP on lookup in the cache
nnocget_get_node: found a.smd in the cache
nnocget_get_node: found [root] in the cache
Jared
"Jesse, Rich" <[EMAIL PROTECTED]>
Sent by: [EMAIL PROTECTED]
06/11/2002 02:09 PM
Please respond to ORACLE-L
To: Multiple recipients of list ORACLE-L <[EMAIL PROTECTED]>
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Subject: Messing with SDU/TDU in listener.ora
Hey all,
Running the response_time_breakdown.sql from Steve Adams
(http://www.ixora.com.au) on an 8.1.6.0.0 Solaris instance, I'm seeing 40%
of the execution time in "SQL*Net more data from client". I figured that
this was due to the clients being sluggish 3rd-party Java apps, but
thought
I'd check into to it anyway.
One thing I noticed is that the SDU and TDU have been set to 32768 in the
listener.ora. First, according to Metalink note 44694.1, this isn't even
valid, since the max size is 32767. Second, I know that the Oracle Names
entry for this instance does not have either of these set. The
tnsnames.ora
does, however, and I can't tell which one is being used by the client.
So, before I go ahead and remove these entries from the listener.ora:
1) Is there a way to tell from the server what the SDU/TDU values of a
client are? This way I can tell if the Oracle Names entry is being used
by
the app or if it's using the tnsnames.ora
2) Does 32768 have an effect if it's not in the range of valid numbers
for
SDU/TDU?
3) Can these parameters affect the "SQL*Net more data from client" wait
times?
TIA!
Rich Jesse System/Database Administrator
[EMAIL PROTECTED] Quad/Tech International, Sussex, WI
USA
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