On 06.07.22 10:42, Florents Tselai wrote:
I have a beefy server (40+ worker processes , 40GB+ shared buffers) and a table
holding (key text, text text,) of around 50M rows.
These are text fields extracted from 4-5 page pdfs each.
I’m adding the following generated col to keep up with tsvectors
ALTER TABLE docs_text ADD COLUMN ts tsvector GENERATED ALWAYS AS
(to_tsvector(’simple', left(text, 1048575))) STORED
I expect this to be slow, but it’s been running for 18hrs already and I
certainly hope I’ve done something wrong and there’s a smarter way.
Maybe it's stuck on a lock? ALTER TABLE / ADD COLUMN requires an
exclusive lock on the table.
