Re: OEM Cloud Control 13c strange Time Range for Top Activity

Can you query V$ACTIVE_SESSION_HISTORY or DBA_HIST_ACTIVE_SESS_HISTORY in the target DB Instance to see if there is info on active sessions in the "missing" window ? Use SAMPLE_TIME

sent from my mobile phone

On Wed, 4 Apr 2018, 05:20 Chen Zhou, <oracle.unknowns_at_gmail.com> wrote:

> Hi,
> I wonder if anyone had this problem before. One of the monitored
> databases/Performance/Top Activity page opens up perfectly normal with 1
> hour time range. After 15 seconds, the page is auto-refreshed, then the
> time range is changed to about 4 hours. There is a 3-hour gap with no
> performance data.
>
> This OEM monitors other databases, but only this particular database has
> this problem. And it doesn't matter which browser I use. I tried to
> remove the database target and re-register it and it didn't help.
>
>
> Thank you,
> Chen
>

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