# Problemi con gli embeddings (argomenti correlati diventano troppo costosi)

**URL:** <https://meta.discourse.org/t/something-bad-with-embeddings-related-topics-getting-too-costly/340345>\
**Category:** Bug\
**Tags:** ai, related-topics\
**Created:** [4 Dicembre 2024, 11:40am UTC](https://meta.discourse.org/t/something-bad-with-embeddings-related-topics-getting-too-costly/340345 "2024-12-04T11:40:26Z")\
**Posts on this page:** 1\
**Showing post:** 15

<div class="post-metadata">

**Author:** ![Don](https://sea3.discourse-cdn.com/meta/user_avatar/meta.discourse.org/don/32/228726_2.png) [@Don](https://meta.discourse.org/u/Don)\
**Post date:** [4 Dicembre 2024, 11:37pm UTC](https://meta.discourse.org/t/something-bad-with-embeddings-related-topics-getting-too-costly/340345/15 "2024-12-04T23:37:41Z")

</div>

Grazie per la correzione :abbracci:

Ho aggiornato il mio sito, ma sembra che ci sia un problema in `/logs`. Non sono sicuro se sia correlato a questo…

```plaintext
Messaggio

Job exception: ERROR: invalid input syntax for type halfvec: "[NULL]"
LINE 2: ...1, 1, 'e358a54a79f71861a4ebd17ecebbad6932fc1f9a', '[NULL]', ...
                                                             ^

Backtrace

/var/www/discourse/vendor/bundle/ruby/3.3.0/gems/rack-mini-profiler-3.3.1/lib/patches/db/pg.rb:110:in `exec'
/var/www/discourse/vendor/bundle/ruby/3.3.0/gems/rack-mini-profiler-3.3.1/lib/patches/db/pg.rb:110:in `async_exec'
/var/www/discourse/vendor/bundle/ruby/3.3.0/gems/mini_sql-1.6.0/lib/mini_sql/postgres/connection.rb:217:in `run'
/var/www/discourse/vendor/bundle/ruby/3.3.0/gems/mini_sql-1.6.0/lib/mini_sql/active_record_postgres/connection.rb:38:in `block in run'
/var/www/discourse/vendor/bundle/ruby/3.3.0/gems/mini_sql-1.6.0/lib/mini_sql/active_record_postgres/connection.rb:34:in `block in with_lock'
/var/www/discourse/vendor/bundle/ruby/3.3.0/gems/activesupport-7.2.2/lib/active_support/concurrency/null_lock.rb:9:in `synchronize'
/var/www/discourse/vendor/bundle/ruby/3.3.0/gems/mini_sql-1.6.0/lib/mini_sql/active_record_postgres/connection.rb:34:in `with_lock'
/var/www/discourse/vendor/bundle/ruby/3.3.0/gems/mini_sql-1.6.0/lib/mini_sql/active_record_postgres/connection.rb:38:in `run'
/var/www/discourse/lib/mini_sql_multisite_connection.rb:109:in `run'
/var/www/discourse/vendor/bundle/ruby/3.3.0/gems/mini_sql-1.6.0/lib/mini_sql/postgres/connection.rb:196:in `exec'
/var/www/discourse/plugins/discourse-ai/lib/embeddings/vector_representations/base.rb:423:in `save_to_db'
/var/www/discourse/plugins/discourse-ai/lib/embeddings/vector_representations/base.rb:86:in `block in gen_bulk_reprensentations'
/var/www/discourse/plugins/discourse-ai/lib/embeddings/vector_representations/base.rb:86:in `each'
/var/www/discourse/plugins/discourse-ai/lib/embeddings/vector_representations/base.rb:86:in `gen_bulk_reprensentations'
/var/www/discourse/plugins/discourse-ai/app/jobs/scheduled/embeddings_backfill.rb:131:in `block in populate_topic_embeddings'
/var/www/discourse/plugins/discourse-ai/app/jobs/scheduled/embeddings_backfill.rb:130:in `each'
/var/www/discourse/plugins/discourse-ai/app/jobs/scheduled/embeddings_backfill.rb:130:in `each_slice'
/var/www/discourse/plugins/discourse-ai/app/jobs/scheduled/embeddings_backfill.rb:130:in `populate_topic_embeddings'
/var/www/discourse/plugins/discourse-ai/app/jobs/scheduled/embeddings_backfill.rb:36:in `execute'
/var/www/discourse/app/jobs/base.rb:308:in `block (2 levels) in perform'
/var/www/discourse/vendor/bundle/ruby/3.3.0/gems/rails_multisite-6.1.0/lib/rails_multisite/connection_management/null_instance.rb:49:in `with_connection'
/var/www/discourse/vendor/bundle/ruby/3.3.0/gems/rails_multisite-6.1.0/lib/rails_multisite/connection_management.rb:21:in `with_connection'
/var/www/discourse/app/jobs/base.rb:295:in `block in perform'
/var/www/discourse/app/jobs/base.rb:291:in `each'
/var/www/discourse/app/jobs/base.rb:291:in `perform'
/var/www/discourse/app/jobs/base.rb:362:in `perform'
/var/www/discourse/vendor/bundle/ruby/3.3.0/gems/mini_scheduler-0.17.0/lib/mini_scheduler/manager.rb:137:in `process_queue'
/var/www/discourse/vendor/bundle/ruby/3.3.0/gems/mini_scheduler-0.17.0/lib/mini_scheduler/manager.rb:77:in `worker_loop'
/var/www/discourse/vendor/bundle/ruby/3.3.0/gems/mini_scheduler-0.17.0/lib/mini_scheduler/manager.rb:63:in `block (2 levels) in ensure_worker_threads'

```

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