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[EP-tech] Long Query Lock
- To: eprints-tech@ecs.soton.ac.uk
- Subject: [EP-tech] Long Query Lock
- From: ZEMY AZMIRA IIUM <azmira@iium.edu.my>
- Date: Fri, 31 Mar 2017 23:45:08 +0800
We have a problem with slow database connection due to long query. Something it locks out the system...my finding the query is something like below. I think it is indexing. We did customized the repository with new fields, quite a lot ...
How to handle this problem? When this query is in the connection, it will slow down eprints and sometimes, I will need to kill this process.
Hope to get advise from everybody who might faced the same problem.
Thank you in advance for your help. Have a nice weekend.
Zemy Azmira
IIUM Library, Malaysia
INSERT INTO `cache15972759`(`pos`, `eprintid`) SELECT @i:=@i+1, `eprintid` FROM (SELECT `eprint`.`eprintid` FROM `eprint` LEFT JOIN `eprint__ordervalues_en` ON `eprint`.`eprintid`=`eprint__
Select all. | Invert selection.
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