Menu
george.semaan
By:
george.semaan

Anyone has any experience with Python and Postgres, specifically Reddit Code?

June 29, 2013 4.2k views
Hello, I'm trying to install Reddit Code (https://github.com/reddit/reddit) on Ubuntu 12.04. I already installed it locally on my laptop and it worked, the process was smooth. But now that I'm trying it on a live node, I keep getting errors regarding Cassandra. It says that Cassandra cannot connect to localhost port 9160. I didn't have that problem when I worked with locally. Reddit Code requires a list of dependencies for it to work: https://github.com/reddit/reddit/wiki/Dependencies They even have an automated installation script for Ubuntu 12.04: https://github.com/reddit/reddit/wiki/reddit-install-script-for-Ubuntu But I guess you need to install the dependencies manually first before you run that script. Thank you for your time.
Log In to Comment
10 Answers
kamaln7 MOD June 29, 2013
You can run the automated installation script before installing the dependencies, it'll install them for you.

Make sure you run it on a fresh new droplet. Let me know how it goes for you.
Reply
george.semaan June 29, 2013
I created a new droplet and ran the automated script

wget https://raw.github.com/reddit/reddit/master/install-reddit.sh
chmod +x install-reddit.sh
./install-reddit.sh

I changed the domain name from reddit.local to my ip address 37.139.5.27

Now if you goto http://37.139.5.27/ you get a big list of errors
InvalidRequestException: InvalidRequestException(why='ModActionBySR already exists in keyspace reddit')
Reply
george.semaan June 29, 2013
Sorry the domain was set to a different IP address, I fixed it and now I'm getting this error.

AllServersUnavailable: An attempt was made to connect to each of the servers twice, but none of the attempts succeeded. The last failure was TTransportException: Could not connect to 127.0.0.1:9160

http://37.139.5.27/
Reply
kamaln7 MOD June 29, 2013
@george.semaan: Run "netstat -plutn" - is there anything listening on port 9160?
It looks like Cassandra has crashed - try resizing your droplet to a larger plan with more RAM.
Reply
george.semaan June 29, 2013
No, looks like nothing is listening on that port. Do you think 1GB ram will do the job?

Active Internet connections (only servers)
Proto Recv-Q Send-Q Local Address Foreign Address State PID/Program name
tcp 0 0 127.0.0.1:11211 0.0.0.0:* LISTEN 10154/memcached
tcp 0 0 0.0.0.0:80 0.0.0.0:* LISTEN 13905/haproxy
tcp 0 0 0.0.0.0:46065 0.0.0.0:* LISTEN 11513/beam
tcp 0 0 0.0.0.0:4369 0.0.0.0:* LISTEN 11500/epmd
tcp 0 0 0.0.0.0:22 0.0.0.0:* LISTEN 681/sshd
tcp 0 0 127.0.0.1:5432 0.0.0.0:* LISTEN 11051/postgres
tcp 0 0 0.0.0.0:8001 0.0.0.0:* LISTEN 31128/python
tcp6 0 0 :::22 :::* LISTEN 681/sshd
tcp6 0 0 :::5672 :::* LISTEN 11513/beam
udp 0 0 127.0.0.1:11211 0.0.0.0:* 10154/memcached
Reply
kamaln7 MOD June 29, 2013
Try resizing to 1GB, you can always scale down later (I don't recommend that since it doesn't seem like 512MB is enough for your application).
Reply
george.semaan June 29, 2013
Yes, it seems that it's working.
Thank you.
Reply
kamaln7 MOD June 29, 2013
Awesome! Really glad to hear that. :]
Reply
matthewh00lmes August 10, 2013
I seem to be getting the same exact issues on http://192.241.239.6/

Same exact error, same exact netstat output. I'm also already on the 1 gig plan. Any ideas?
Reply
kamaln7 MOD August 11, 2013
@matthewh00lmes: I'm seeing RoR's welcome page -- are you still experiencing the issue?
Reply
Have another answer? Share your knowledge.