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Nextcloud - Upgrade 20 vers 21 (21.0.1) - Bug

(**) Translated with www.DeepL.com/Translator

I had a problem with my upgrade scripts not completing and generating a large CPU load. The only solution was to stop the upgrade and restart the “apache2” service but the upgrade crashed…

The syslog shows :

[32716377.980701]  out_of_memory+0x1a5/0x450
[32716377.984626] Tasks state (memory values in pages):
[32716378.030199] Out of memory: Kill process 8948 (php) score 813 or sacrifice child
[32717168.016540]  out_of_memory+0x1a5/0x450
[32717168.020017] Tasks state (memory values in pages):
[32717168.068446] Out of memory: Kill process 21527 (php) score 798 or sacrifice child

Maintenance commands such as :

sudo -u monuser php occ db:add-missing-indices
sudo [...]

were not working either, they were waiting and generating a large MYSQL load.

To correct the problem, add the option “–define apc.enable_cli=1” :

sudo -u monuser php --define apc.enable_cli=1 occ db:add-missing-indices

The command returns :

Check indices of the share table.
Check indices of the filecache table.
Check indices of the twofactor_providers table.
Check indices of the login_flow_v2 table.
Check indices of the whats_new table.
Check indices of the cards table.
Check indices of the cards_properties table.
Check indices of the calendarobjects_props table.
Check indices of the schedulingobjects table.
Check indices of the oc_properties table.
Done.

To keep this configuration:

Modify the /etc/php/7.3/cli/conf.d/20-apcu.ini file by adding the line :

apc.enable_cli=1

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(**) Translated with www.DeepL.com/Translator

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