Hi!
We have an issue with import process as we're tryings to migrate from 5.4 
to 6.2 Dspace (fresh install)
When I migrated from Dspace 4 to 5 I have imported about 9000 items for 
couple of hours and it was fair.
But now I have 17000 items and it will take FOREVER to import all of them. 
It already took more than 12 hours and after looking carefullty to logs I 
can see that there's no point to wait - the time distance between 
"[email protected]" checkpoints starts from 11s (17000*11s = over 50 
hours!) and after 10 hours of import time distance between items increased 
3x times - and by now it imported only 3000 items. It will take forever so 
I just stoped it.
I believe there's a big problem but I don't know how to diagnose the 
bottleneck.

There's a screen of log in the middle of process - it takes on avrg 18s to 
import just 1 item ((
https://prnt.sc/hse940

Maybe it will help someone to diagnose what is going on on background. I 
have no fancy customizations or 3rd party on my freshly installed Dspace 
6.2 - just minimal starting settings.
Virtual Machine info (it's on SSD):
prntscr.com/hsedud

Command I use to import:
sudo JAVA_OPTS="-Xms512m -Xmx8192m -XX:+UseGCOverheadLimit -server" /dspace/
bin/dspace packager -r -a -f -t AIP -o skipIfParentMissing=true -e 
[email protected] -i lib/0 /home/alex/import-dspace/sitewide-aip.zip

Please help to identify probrem and how to resolve it. Thanks in advance!

-- 


Ужгородський національний університет

http://www.uzhnu.edu.ua

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