Különbségek

A kiválasztott változat és az aktuális verzió közötti különbségek a következők.

--- nextcloud [2026/02/26 09:27] – daevidt
+++ nextcloud [2026/03/01 17:38] (aktuális) – daevidt
@@ Sor 1: / Sor 1: @@
 === Preview generation: ===
- * in config.php
+  * in config.php
     enable_previews -> true / false
     preview providers -> check for certain type
- * storage location:
+  * storage location:
     data/appdata_instanceid/preview
- * previewgenerator app
+  * previewgenerator app
-    generates previews to preview storage location
+<code bash>
-    using config settings
+    # generates previews to preview storage location
+    # using config settings
     occ preview:cleanup
-    occ preview:pre-generate -> only new files!
+    occ preview:pre-generate # -> only new files!
-    occ preview:generate-all -vvv --workers=n username
+    occ preview:generate-all -vvv --workers=n username  # use a worker count of ~ 2*cpu cores
-    files:scan-app-data
+    occ files:scan-app-data
+</code>
 == Metadata storage: ==
- * pre-v33:
+  * pre-v33: ''oc_filecache'' table
-    oc_filecache table
- * from v33:
+  * from v33: ''oc_previews'' table
-    oc_previews table
 === Fix: ===
- # config.php : 'enable_previews' => false,
+  - config.php : 'enable_previews' => false,
- # occ preview:cleanup
+  - ''occ preview:cleanup''
- # DELETE FROM oc_filecache WHERE path LIKE 'appdata_<instanceid>/preview/%';
+  - ''DELETE FROM oc_filecache WHERE path LIKE 'appdata_<instanceid>/preview/%';''
- # occ files:scan-app-data
+  - ''occ files:scan-app-data''
- # config.php : 'enable_previews' => false,
+  - config.php : 'enable_previews' => true,
-=== Regenerate previews if lost or broken:
+=== Regenerate previews if lost or broken: ===
- # disable ALL nc cron jobs
+  - disable ALL nc cron jobs
- # run fix
+  - stop cachefilesd (faster and not writing a lot of disk in vain)
- # log in with nc user: e.g. w_nc (don't sudo, not working)
+  - run fix
- # nc_directory # php occ preview:generate-all -vvv --workers=n username
+  - log in with nc user: e.g. w_nc (don't sudo, not working)
- # re-activate cron-jobs
+  - ''nc_directory # php occ preview:generate-all -vvv --workers=n username''
+  - re-activate cron-jobs
+  - start cachefilesd