RE: Lot of Latch Free and Enqueue Hash Chain Wait Events

From: Paul Drake <bdbafh_at_gmail.com>
Date: Tue, 3 Oct 2017 10:58:49 -0400
Message-ID: <CAPptggWWtJKgU8NXto4LGdNweobh=zGciaEh9=tWHQ+2U13gTQ_at_mail.gmail.com>





Known issue on some older version/ patchset/patch/platforms.

None of those were stated.

On Oct 3, 2017 10:40 AM, "Ravi Teja Bellamkonda" < raviteja.bellamkonda7_at_gmail.com> wrote:

> Hi List,
>
> First of all, thank you for all the time and support.
>
> Problem Statement is that under load we are observing a lot of Latch Free
> wait events which are followed by Enqueue Hash Chains.
>
> [image: Inline image 2]
>
> Digging a bit more I was able to find the latch.
>
> [image: Inline image 1]
>
> I cannot make any conclusions based on this. Please provide any
> recommendations on solving this issue or conclusions for this event.
> --
> Thanks & Regards,
> Ravi Teja Bellamkonda
>
>





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Received on Tue Oct 03 2017 - 16:58:49 CEST

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