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From Valentin Kulichenko <valentin.kuliche...@gmail.com>
Subject Re: Ignite internal events tracing
Date Fri, 21 Jul 2017 17:04:43 GMT

That's a great idea. I would also add an option to dump information on
demand, for case when operation hanged and can't complete.


On Fri, Jul 21, 2017 at 6:15 AM, Alexey Goncharuk <
alexey.goncharuk@gmail.com> wrote:

> Igniters,
> I've recently stumbled across a situation when occasionally Ignite
> transactions commit may take up to several seconds while in general most of
> the transactions completed in a period of milliseconds.
> After a few attempts to analyze this situation with logs, I realized that
> this is a no-go and I need a finer instrument for this. The idea is to
> introduce several trace points along the way of an Ignite operation and
> collect timings when an operation passes each of the trace points. When
> enabled, this information should be available upon the operation
> completion.
> I've implemented a prototype of this for TX commit operation, the
> implementation is available in ignite-5797 branch.
> I was wondering if something of this kind may be useful as a part of Ignite
> product and available to users. If so, I would like to discuss the public
> API for this so the feature can be finalized.
> Thanks,
> AG

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