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[EP-tech] IRStats2: process_stats job with InnoDB

Thanks as always, John!

So, making the updates to Handler.pm and Sets.pm should oil the wheels? I'm desperate to kill this current job!



From: eprints-tech-bounces at ecs.soton.ac.uk [mailto:eprints-tech-bounces at ecs.soton.ac.uk] On Behalf Of John Salter
Sent: 16 May 2017 12:22
To: eprints-tech at ecs.soton.ac.uk
Subject: Re: [EP-tech] IRStats2: process_stats job with InnoDB

Hi George,
See: https://github.com/eprints/irstats2/pull/84

NB There are two forks of IRStats2:

-          https://github.com/eprints/irstats2/

-          https://github.com/eprintsug/irstats2/
I'm not sure which is the most up-to-date. Can anyone comment on this?
Should we standardise on one of them?


From: eprints-tech-bounces at ecs.soton.ac.uk<mailto:eprints-tech-bounces at ecs.soton.ac.uk> [mailto:eprints-tech-bounces at ecs.soton.ac.uk] On Behalf Of George Macgregor
Sent: 16 May 2017 12:10
To: eprints-tech at ecs.soton.ac.uk<mailto:eprints-tech at ecs.soton.ac.uk>
Subject: [EP-tech] IRStats2: process_stats job with InnoDB

Hello colleagues!

I am looking for some IRStats2 insights. We have recently shifted our MySQL DB to InnoDB from MyISAM. I am in the process of running the process_stats job for IRStats2 in order to reflect local changes but the job is taking an aeon - and significantly longer than it ever did under MyISAM.

I was informed that it would run more slowing with InnoDB but I had no idea it would be quite so bad. So far it has been running for the best part of a week, which has been impacting on end users (e.g. sporadic unavailability of EPrints, slow responses, etc.). It is so bad that I am almost tempted to kill the job, even though it has been running for the best part of a week.

Has a similar issue affected others and, if so, do you have any tips for speeding up the processing? Or do I simply need to take the hit?!


George Macgregor
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