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Display Filtering is very slow and results in extreme CPU usage spikes on server

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#2,045 5 commentaires 0 réactions 0 personnes assignées Voir sur GitHub

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@Antreesy y travaille déjà.

Depuis le 8/6/2026.

  • #2051 par @Antreesy — ouverte

Évaluation

Difficulté
4/5
Temps estimé
3-5 jours
Accessibilité débutants
48/100
Type d'issue
Bug
Clarté
Plutôt claire
Activité
Calme
Stack technique
javascript
Domaine
frontend

Piste de recherche

Commencez par le flux de filtrage de l’affichage du lecteur de logs et reproduisez le problème dans Nextcloud 34.0.4 en utilisant les niveaux warning, error et fatal. Comparez le chargement filtré initial avec le filtrage après un chargement non filtré, et examinez le chemin d’actualisation automatique. Le travail est considéré comme terminé lorsque les logs filtrés se chargent en environ une seconde sans pic notable du CPU et que l’actualisation automatique fonctionne à nouveau.

Rédigé par le modèle d'indexation à partir du texte de l'issue.

Description

0. Needs triage bug
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Steps to reproduce
  1. Use Nextcloud 34.0.4
  2. Go to log reader in admin settings
  3. Set "Filter logging levels" to only display warning, error, fatal (backend log is set to the same settings by default)
  4. refresh the reader
  5. loads for more than 10 seconds

When the filtering is applied after initial load (without any filtering) the filtering happens instantly.
Before we used Nextcloud 32.0.8 - the problem did not exist there.

Expected behaviour
  • Logs typically load within one second
  • No notable CPU spike
  • Logs refresh automatically
Actual behaviour
  • Logs take upwards of 10 seconds to load
  • Extreme CPU usage (in kubernetes from 0.1 CPU to 3.0 CPU)
  • The automatic refresh does not work anymore
Server configuration

Web server: Apache

Database: PostgreSQL

PHP version: 8.4

Nextcloud version: 34.0.4

List of activated apps
  • activity: 6.0.0
  • app_api: 33.0.0
  • assistant: 3.4.3
  • bruteforcesettings: 6.0.0
  • calendar: 6.4.2
  • circles: 33.0.0
  • cloud_federation_api: 1.17.0
  • comments: 1.23.0
  • contacts: 8.5.1
  • contactsinteraction: 1.14.1
  • dav: 1.36.0
  • deck: 1.17.1
  • federatedfilesharing: 1.23.0
  • federation: 1.23.0
  • files: 2.5.0
  • files_downloadlimit: 5.1.0
  • files_pdfviewer: 6.0.0
  • files_reminders: 1.6.0
  • files_sharing: 1.25.2
  • files_trashbin: 1.23.0
  • files_versions: 1.26.0
  • firstrunwizard: 6.0.0
  • groupfolders: 21.0.7
  • integration_openai: 4.5.1
  • logreader: 6.0.0
  • lookup_server_connector: 1.21.0
  • notes: 5.0.0
  • notifications: 6.0.0
  • notify_push: 1.3.3
  • oauth2: 1.21.0
  • password_policy: 5.0.0
  • photos: 6.0.0
  • polls: 9.1.4
  • privacy: 5.0.0
  • profile: 1.2.0
  • provisioning_api: 1.23.0
  • recommendations: 6.0.0
  • related_resources: 4.0.0
  • richdocuments: 10.1.3
  • serverinfo: 5.0.0
  • settings: 1.16.0
  • sharebymail: 1.23.0
  • systemtags: 1.23.0
  • tables: 2.1.1
  • tasks: 0.17.1
  • text: 7.0.1
  • theming: 2.8.0
  • twofactor_backupcodes: 1.22.0
  • twofactor_totp: 15.0.0
  • user_oidc: 8.10.1
  • viewer: 6.0.0
  • webhook_listeners: 1.5.0
  • whiteboard: 1.5.9
  • workflowengine: 2.15.0
Nextcloud configuration

"system": {
"installed": true,
"instanceid": "REMOVED SENSITIVE VALUE",
"passwordsalt": "REMOVED SENSITIVE VALUE",
"secret": "REMOVED SENSITIVE VALUE",
"dbtype": "pgsql",
"dbhost": "REMOVED SENSITIVE VALUE",
"dbname": "REMOVED SENSITIVE VALUE",
"dbuser": "REMOVED SENSITIVE VALUE",
"dbpassword": "REMOVED SENSITIVE VALUE",
"mysql.utf8mb4": true,
"dbtableprefix": "oc_",
"version": "33.0.4.1",
"trusted_domains": [
"localhost",
"REMOVED SENSITIVE VALUE",
"REMOVED SENSITIVE VALUE"
],
"trashbin_retention_obligation": "7,14",
"htaccess.RewriteBase": "/",
"memcache.local": "\OC\Memcache\APCu",
"apps_paths": [
{
"path": "/var/www/html/apps",
"url": "/apps",
"writable": false
},
{
"path": "/var/www/html/custom_apps",
"url": "/custom_apps",
"writable": true
}
],
"lost_password_link": "disabled",
"allow_user_to_change_display_name": true,
"skeletondirectory": "",
"templatedirectory": "",
"default_language": "de",
"default_locale": "de_DE",
"default_phone_region": "DE",
"default_timezone": "Europe/Berlin",
"maintenance_window_start": 1,
"trusted_proxies": "REMOVED SENSITIVE VALUE",
"overwriteprotocol": "https",
"forwarded_for_headers": [
"HTTP_X_FORWARDED_FOR"
],
"memcache.distributed": "\OC\Memcache\Redis",
"memcache.locking": "\OC\Memcache\Redis",
"redis": {
"host": "REMOVED SENSITIVE VALUE",
"password": "REMOVED SENSITIVE VALUE",
"port": 6379
},
"mail_smtpmode": "smtp",
"mail_smtphost": "REMOVED SENSITIVE VALUE",
"mail_smtpport": "25",
"mail_smtpsecure": "",
"mail_smtpauth": true,
"mail_smtpauthtype": "false",
"mail_smtpname": "REMOVED SENSITIVE VALUE",
"mail_from_address": "REMOVED SENSITIVE VALUE",
"mail_domain": "REMOVED SENSITIVE VALUE",
"mail_smtppassword": "REMOVED SENSITIVE VALUE",
"upgrade.disable-web": true,
"maintenance": false,
"overwrite.cli.url": "REMOVED SENSITIVE VALUE",
"loglevel": "2",
"enable_previews": true,
"allow_local_remote_servers": true,
"files.chunked_upload.max_size": 0,
"appstoreurl": "REMOVED SENSITIVE VALUE",
"forbidden_filename_basenames": [
"con",
"prn",
"aux",
"nul",
"com0",
"com1",
"com2",
"com3",
"com4",
"com5",
"com6",
"com7",
"com8",
"com9",
"com\u00b9",
"com\u00b2",
"com\u00b3",
"lpt0",
"lpt1",
"lpt2",
"lpt3",
"lpt4",
"lpt5",
"lpt6",
"lpt7",
"lpt8",
"lpt9",
"lpt\u00b9",
"lpt\u00b2",
"lpt\u00b3"
],
"forbidden_filename_characters": [
"<",
">",
":",
""",
"|",
"?",
"*",
"\",
"/"
],
"forbidden_filename_extensions": [
" ",
".",
".filepart",
".part"
],
"app_install_overwrite": [],
"twofactor_enforced": "true",
"twofactor_enforced_groups": [
"2faenabled"
],
"twofactor_enforced_excluded_groups": [],
"simpleSignUpLink.shown": false,
"openmetrics_allowed_clients": [
"127.0.0.1",
"10.42.0.0/16",
"10.43.0.0/16"
]
}

Browser

Browser name: Chrome

Browser version: 148

Operating system: -

Browser log 
Insert your browser log here, this could for example include:
a) The javascript console log
b) The network log
c) ...
Langage dominant
JavaScript
Étoiles
71
Forks
30
Merge moyen
11 h
PR mergées (30 j)
87

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