Re: MAXTRANS ignored

Hi!

I remember from somewhere that in 9i, mintrans is 2 for tables as well, like for indexes in past. Thus maxtrans is minimum 2 as well, even if you set it to 1 explicitly. You can verify it from blockdump, there's 2 ITL entries in block even when you have had only one transaction there. So you should try to do at least 3 *updates or deletes* in different transactions in a block. If you do inserts then a new block is just allocated when ITL list is full...

Tanel.

• Original Message ----- To: "Multiple recipients of list ORACLE-L" <ORACLE-L_at_fatcity.com> Sent: Wednesday, August 20, 2003 12:19 AM

> In testing, I found that MAXTRANS seems to be ignored in 9.2.0.3.
>
> I created a table with a MAXTRANS setting of 1. I inserted some rows and
committed. In one session, I updated a row, but did not
> commit. In another session, I updated a different row (in the same block).
I expected to see a wait, but the transaction completed
> immediately. I dumped the block header and, sure enough, there were 2
entries in the ITL. There should be only 1 entry (as defined
> by MAXTRANS).
>
> Am I missing something? or have I hit an 'undocumented feature'?
>
> Daniel
>

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Author: Tanel Poder
  INET: tanel.poder.003_at_mail.ee

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