Re: what's "enq:TX - contention"

any comments?

Thanks

On Nov 27, 2007 12:19 AM, Eagle Fan <eagle.f_at_gmail.com> wrote:

> hi:
>
> In 10g, oracle has four TX wait events:
>
> 1. enq:TX - row lock contention
> 2. enq:TX - index contention
> 3. enq:TX - ITL
> 4. enq:TX - contention
>
> I know the first three ones' meanings.
>
> But what does the last one "enq:TX - contention" mean? I know it means
> other TX enqueue types. But what's the *other* TX enqueues?
>
> Could anybody give me some examples? We have insert sql causes this TX
> contention.
>
> I searched metalink and oracle-l, but most doc/threads are discussing the
> first three ones.
>
> Thanks a lot.
>
> --
> Eagle Fan
>
> Oracle DBA
>

-- 
Eagle Fan

Oracle DBA

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