Peter <pmc@xxxxxxxxxxxxxxxxxxxxxxx> writes: > with 12.1, after a couple of queries, at a random place, the clientlib > does produce a failed query without giving reason or error-message [1]. > Then when retrying, the clientlib switches off signal handling and > sits inactive in memory (needs kill -9). Seems like you'd better raise this with the author(s) of the "pg" Ruby gem. Perhaps they read this mailing list, but more likely they have a specific bug reporting mechanism somewhere. regards, tom lane