That's right. How can I find out which transaction is distributed and which
isn't? And how do I kill it?

The scenario would be:

1. I log on to the db with the DBA account.
2. Query on v$transaction to get the list of transactions and find out who
is running these from v$session. (What would be the query?)
3. Find out which of these transactions are distributed (query??)
4. Kill some such transactions depending on who is running them (How?)

Had a quick look at the distributed databases guide but it doesn't mention
anything on any of the above tasks.

Thanks & regards,
Charu Joshi

-----Original Message-----
Kirti
Sent: Friday, December 06, 2002 2:40 PM
To: Multiple recipients of list ORACLE-L

A simple 'select' (non-DML) from a remote database is also treated as a
transaction by the source database (run a simple test to count from
v$transaction (on source) after issuing a 'select' that refers a remote
object). One can either exit the session or issue a commit/rollback, after
'select' is done to terminate such a transaction. If that is not possible,
then raising the value of the init parameter (or killing transactions) is
the only choice.

- Kirti

-----Original Message-----
Sent: Friday, December 06, 2002 6:29 AM
To: Multiple recipients of list ORACLE-L

Dear Listers,

Oracle 8.1.7 on HP-UX11

We have three databases, one master and two slaves. On the slaves resides a
view which queries data from master using a database link.

While querying from the view, we often get the error 'ORA-02042: too many
distributed transactions'.

We are pretty sure that the error is raised on slaves and not on the master.

I found out that the 'distributed_transactions' parameter is set to a very
low value, which is causing this error in the first place. But due to
various reasons, this will not be possible soon.

The only thing I can think of is to have a list of all the distributed
transactions, check which ones can be killed and kill them.

I tried the dba_2pc_pending table, but it doesn't have any records; still I
am getting the ORA-02042 error.

Which are the views that would give me more information about the
distributed transactions?

I would really appreciate if you can point out some document or article
which treats this in detail.

Thanks & regards,
Charu

PS: How to check the archives of this list? I logged on to www.orafaq.com
and searched on 'ORA-02042', without any good hits.
I have lost the mail received at the time of joining the list.

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