Display Filtering is very slow and results in extreme CPU usage spikes on server
メンテナーはふだん 1 日以内に返信
評価
- 難易度
- 4/5
- 見積もり時間
- 3〜5日
- 初心者へのやさしさ
- 48/100
- issue の種類
- バグ
- 明瞭さ
- おおむね明確
- 活発さ
- 静か
- 技術スタック
- javascript
- 領域
- frontend
調査の方向性
ログリーダーの表示フィルタリングのフローから始め、warning、error、fatal のレベルを使って Nextcloud 34.0.4 で問題を再現します。初回のフィルター済み読み込みと、フィルターなしで読み込んだ後のフィルタリングを比較し、自動更新の経路を調査します。フィルター済みのログが目立った CPU スパイクなしに約 1 秒以内で読み込まれ、自動更新が再び機能すれば完了です。
索引モデルが issue の本文から書いたものです。
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Steps to reproduce
- Use Nextcloud 34.0.4
- Go to log reader in admin settings
- Set "Filter logging levels" to only display warning, error, fatal (backend log is set to the same settings by default)
- refresh the reader
- 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) ...
- 主要言語
- JavaScript
- スター
- 71
- フォーク
- 30
- 平均マージ
- 11時間
- マージ済み PR（30日）
- 87
環境構築
- Dockerfile・Docker Compose ファイルなし
- プルリクエストのテンプレートなし
- コントリビューションガイドを読む
はじめの一歩
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- リポジトリをフォークし、ブランチを切って変更します。
- issue 番号を参照したプルリクエストを送ります。
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