[EP-tech] Manage deposits page loads very slow
yurj at alfa.it
Mon May 21 09:55:59 BST 2018
Enable sql logging on mysql and write down the queries it does when
using Manage Deposits. Then disable logging and you can test directly
the queries looking for mysql bottlenecks.
Is the disk enough fast in the new vm? Is there any difference if you
shut down the indexer? Did you migrate also the index database or the
indexer is still running to reindex everything?
Il 21/05/2018 10:26, Emilian Mitocariu ha scritto:
> I migrated an eprints instance from version 3.3.7 running on a VM with
> ubuntu 10.04, 1GB RAM and 2 virtual CPUs to the latest eprints version
> 3.3.15 on a VM with ubuntu 16.04, 2.5GB RAM and 2 virtual CPUs. I
> followed the page documented on the eprints wiki for the migration.
> There were no problems with loading pages on the old version, but on
> the new server when a user visits the "Manage Deposits" page and has a
> lot of deposits, it takes a while to load the page. For a user with
> 885 deposits, it takes at least 30 seconds.
> I compared the mysql configuration on both VMs and it is similar.
> Also, the eprints indexer is running. During the day, apache and mysql
> seems to use more RAM than it did on the old VM.
> Does anyone know what could cause the slow page load or at least give
> me some pointers where to look?
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