[Toolserver-l] transaction isolation level set to READ UNCOMMITTED

Andre Karwath aka at aka-online.de
Tue Jul 18 16:25:22 UTC 2006


Hi,

>Today, we had another replag problem, caused by Aka's user stats script.
>Replag kept rising even after the script was stopped (not killed).
>Apparently, the reason lies with the transaction mode used: a long
>running query may lock (parts of) the tables it uses, denying any
>updates the replication daemon wants to make.

the script already starts with

   "set session transaction isolation level read uncommitted"

as told by River on this list a few months ago. Beside this, the last 
time it run
it did not affect the replication lag. So, I'm not sure that this 
script caused these
problems.

-- Aka




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