Questions regarding upgrading an existing Drupal site. Don't forget to read the UPGRADE.txt that comes with evey Drupal download.

Drupal database update issue

I am getting following errors when I update database using update.php.   Any  help?

My drupal versions: 8.5.3, php: 7.2.5,Composer: 1.6.5, drush version: 9.2.3

Error:

Update change_action_plugins

•Failed: Drupal\Component\Plugin\Exception\PluginNotFoundException: The "pathauto_update_alias" plugin does not exist. in Drupal\Core\Plugin\DefaultPluginManager->doGetDefinition() (line 52 of /var/www/html/web/core/lib/Drupal/Component/Plugin/Discovery/DiscoveryTrait.php).

if I use drush updb command I am getting following errors

D 7.59 upgrade error: Fatal error: Call to undefined function node_type_get_names()

After upgrading my site to Drupal 7.59, the site is down with the following error:

Fatal error: Call to undefined function node_type_get_names() in D:\Development\xampp\htdocs\biobank\modules\comment\comment.module on line 119

List of installed modules:

Update shell based drupal8 multisite installation

Dear all,

as more and more modules are working with drupal8 it is now time to start to migrate some drupal7 sites to drupal8.

I use a multisite installation for drupal7 and would like to continue this for drupal8.

I read a lot on the drupal docu but could not found clear instructions how to update drupal8 using only the console.

For drupal7 I did:

drush @sites up
drush @sites updb

For drupal8 it could be:

How do I limit the size of the various D8 caches?

The database size on my largest Drupal site varies between 450Mb and 1600 MB with 5000-6000 lines in the cache database.

Can I limit the size of theses caches? My host shuts the site down when DB size surpasses 1Gb, though I get a 7 day warning.

Estimate migration use "Drupal 8 upgrade evaluation" module

Hello, everyone.
Who used module "Drupal 8 upgrade evaluation" for estimate migration from Drupal 6 to Drupal 8 or Drupal 7 to Drupal 8.
Please Share your experience with work of this module.

Update via drush problem

Hi everybody,

I am trying to update my site via drush. I installed drush like it is described here. When I am trying to start drush I am getting the following error:

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