0
votes
0answers
31 views

Storing DB credentials in an application source code?

I am making an app which connects to a DB, and the app will have plenty different userslogins. Is it a good design choice to have a specific DB login/password for the application, using which the ...
0
votes
1answer
26 views

Useful guide & FAQ for Application+SQL [closed]

Of course when you are making your first application for fun it doesn't matter that much how you deal with things. But when you need everything to be up to the current standards you don't always know ...
0
votes
1answer
52 views

PgBouncer Uncertainties

I'm trying PgBouncer for the first time with a simple Python web application (Flask + psycopg2), and I have a hard time interpreting the meaning of its log messages by simple googling. I'm basically ...
1
vote
0answers
53 views

Trouble adding foreign key on lots of data in Postgres

Working with PostgreSQL 9.0.8 on linux. Can't add foreign key. I have two tables: Table1 and Table2. Table1 has 10 columns and 200 000 rows filled with some data, where first column is 'id' (primary ...
3
votes
1answer
603 views

pgBouncer works great but occasionally becomes unavailable

I'm running pgBouncer in front of a busy postgres 9 database. For most of the time it works fine. But every few hours I'll get an error email from my application with an exception from psycopg2: ...
1
vote
0answers
141 views

Does a high CPU usage -say 98%- necessary mean the database will be slower?

I have 4 python scripts each running in their own virtual machine. The scripts are accessing a central postgresql database. All scripts are reading from the same table but posting to different tables ...
0
votes
1answer
42 views

look for missing datetime records in database

I have a python script that scrapes a webpage every minute of every day and saves the results in a postgres database. As I browse through the database, I've noticed there are minutes here and there ...
0
votes
1answer
374 views

Cannot use python3 as stored procedure language in posgresql database

I want to have python3 in my postgresql database for writing stored procedures. Being in the psql client, when I enter the command create extension plpython3u I get the error: couldn't open ...
5
votes
1answer
418 views

How to best use connection pooling in SQLAlchemy for PgBouncer transaction-level pooling?

Using SQLAlchemy to query a PostgreSQL database behind PgBouncer, using transaction-level pooling. What is the best pattern to use for this kind of set up? Should I have one-engine-per-process, ...
3
votes
3answers
569 views

What is the best way to store X509 certificate in PostgreSQL database?

I'm working on web authenticate system where users will digitally sign random tokens and this will be checked with X509 certificates stored on the server. Therefore I have to store several X509 ...