Report LRU Age in Buffer Pool

I think the last page of LRU list is not the oldest page always.
It may be imprecise data.
Do you want it even it is imprecise?

Yasufumi,

It is OK if it is not 100% percise. Really we're looking for order of
magnitude here.

On Sun, Jun 6, 2010 at 6:41 PM, Yasufumi Kinoshita <
<email address hidden>> wrote:

> I think the last page of LRU list is not the oldest page always.
> It may be imprecise data.
> Do you want it even it is imprecise?
>
> --
> Report LRU Age in Buffer Pool
> https://bugs.launchpad.net/bugs/590293
> You received this bug notification because you are a direct subscriber
> of the bug.
>
> Status in Percona Server with XtraDB: New
>
> Bug description:
> Innodb seems to track age of accesses to the pages in LRU as part of its
> old/new pages replacement policy.
> Investigate if it is possible to print the age of last page in buffer pool
> (how old it has not been accessed)
>
> Having this number we can understand how much pressure buffer pool has -
> if page gets removed after being idle for 1 minute it is different vs it is
> being removed after 30 minutes.
>
> To unsubscribe from this bug, go to:
> https://bugs.launchpad.net/percona-server/+bug/590293/+subscribe
>

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Percona now uses JIRA for bug reports so this bug report is migrated to: https://jira.percona.com/browse/PS-2315