dharani kumar <dharanikumars...@gmail.com> writes: > The problem i am facing is that PQconnectdb is blocking even though i > specified connect_timeout=10. My observation is below. > 1. To simulate this issue, i stopped the postgreSQL-x64-9.4 service and > executed my application. > 2. host=localhost is used, database present in the same machine. > 3. I have a service created by NSSM, created out of my application exe. > 4. My application doesn't blocks, the PQconnectDB fails instantaneously but > when ran as a service PQconnectDB blocks. No difference in code and > environment between exe and service. > 5. The blocking issue in service gets eliminated when i replace host with > hostaddr=127.0.0.1. I thought maybe DNS lookup was the issue.
AFAIK this is expected behavior: libpq is not able to make its DNS lookups nonblocking. The hostaddr option was added specifically so there is a way to make connections without relying on DNS. regards, tom lane -- Sent via pgsql-general mailing list (pgsql-general@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general