PostgreSQL is a powerful, open source object-relational database system. It has more than 15 years of active development and a proven architecture that has earned it a strong reputation for reliability, data integrity, and correctness. It runs on all major operating systems, including Linux, UNIX ...

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27 views

NAS suitable for this situation? [closed]

I work from home and am considering getting a NAS. Would using a NAS be suitable for my situation: I alternate working from a desktop and laptop, both of which run Linux I use PostgreSQL a lot along ...
0
votes
1answer
216 views

PostgreSQL: error with pg_hba.conf

I am trying to connect with Django to a PostgreSQL database I set up on a remote machine. I get the following error: django.db.utils.OperationalError: FATAL: no pg_hba.conf entry for host "::1", ...
-5
votes
2answers
83 views

Does anyone know of a good free tool that can be used to ping our Postgres database server to determine if it is running or not? [closed]

I'm looking for a free tool which runs on my desktop (not the server itself) that will periodically test to see if our database server is up and running properly. Ideally, it should also be able to ...
0
votes
2answers
294 views

fail to start postgresql when used with vagrant

Trying to start postgresql on a Virtualbox VM managed by Vagrant I have the following error: LOG: could not link file "pg_xlog/xlogtemp.29" to "pg_xlog/000000010000000000000001" (initialization of ...
0
votes
2answers
179 views

How to grant access to /var/run to postgres on CentOS?

After installing postgres-9.3 via yum in my CentOS 7, its default configuration puts socket in /tmp directory. I have httpd (installed via yum as well) which is by default managed by system.d with ...
1
vote
1answer
425 views

OS X Yosemite Server - Wiki stops working

the last couple of days I have noticed that the Wiki-Server on OS X Server seems to crash. When I call up the wiki's website I get the following message: Caught exception "Connection to DB failed" ...
1
vote
2answers
412 views

Automate pg_dump in a bash script

I am re-learning bash after years of not using it very much and need to figure out a way to automate pg_dump of a single database to a directory. Currently I manually ssh into the box, su to postgres ...
0
votes
1answer
297 views

No space left on device error

I can no longer generate new columns in my database. My stack is below. I am new to managing my own server and am unfamiliar with Apache, Ubuntu and AWS. Currently I am receiving an error saying ...
1
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0answers
2k views

PostgreSQL - Invalid byte sequence for encoding “UTF8”: 0xe7 0x75 0x20

Here is the problem : Everything worked fine with my postgresql system until I decided to click on the "rotate logs" button in the server status tab (from pgAdmin). After that, I faced this issue, ...
0
votes
1answer
408 views

Postgresql Connection Timed out

when I am connecting to psql on remote server >psql -h {hostname} psql: could not connect to server: Connection timed out (0x0000274C/10060). Is the server running on host "{hostname}" ...
0
votes
1answer
395 views

MD5 pw encryption in postgresql using CREATE USER WITH PASSWORD

So I have postgresql database and in pg_hba.conf file I am authenticating users via md5. I typically create users using the command: CREATE USER username WITH PASSWORD 'password'; From the ...
0
votes
1answer
136 views

How to import postgresql file on Linux with space in path?

If I try to import an sql script with a space in path, the file is not found. mypsqluser=> \i /home/markus/Documents/Projekte/My App/Installation/server_sql_script.sql ...
0
votes
2answers
123 views

Tuning Tomcat java app with Apache reverse proxy and Postgresql

Looks like my apache reverse proxy may be acting as the bottleneck and bogging down the number of requests users can make. I run Apache and Tomcat on server1, which has 96 gb RAM, rhel5 x64, 24 ...
0
votes
1answer
94 views

Postgresql 9.1 -> 9.4 migration problems

I've run a quick and dirty debian 7 -> debian 8 upgrade today, and lost my postgresql 9.1 installation. By "lost" i mean that i can't start it from init script (i simply get no output; 9.4 goes okay, ...
0
votes
1answer
84 views

Ubuntu 14.04 having two postgres server, removing one

after installing postgres using apt-get and adding the repo for 9.4, I have two versions, 9.3 and 9.4 running. How can I remove 9.3? apt-get purge removes both actually. Thanks ins advance
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0answers
33 views

Fallback to backup server upon failure of main server without third machine

I will soon need to setup a database server on a budget. We are planning to use Postgres on Ubuntu (most likely) and we'd like to have a backup server. For replication, I think I'll just use ...
0
votes
0answers
149 views

pgpool2 stucks in “idle in transaction”

We have a setup with two postgresql servers configured as master-slave (streaming replication). The application servers (Odoo) should connect through pgpool2. All is fine if I connect the application ...
0
votes
1answer
107 views

How to export a Heroku-friendly Postgres dump from Ninefold?

I am trying to migrate my postgres database from ninefold to heroku. The command I'm using to export is: PGPASSWORD=password pg_dump -h ipaddress -p port -U user -d database -Fc --no-acl --no-owner ...
0
votes
1answer
12 views

Downsides to indefinite replicate streaming delays?

I have a db server that's sole purpose is for analytics querying. It's running as a hot standby, but long running queries are failing due to max_standby_archive_delay and max_standby_streaming_delay ...
0
votes
0answers
39 views

apache2 mod_dbd and postgresql

I'm trying to rewrite url using dbd. Everything looks ok, except few things: It doesn't work It doesn't show any error (LogLevel Trace8) It doesn't show any connection to database (postgresql.log ...
1
vote
0answers
22 views

Does a PostgreSQL hot standby cache streamed WAL segments?

If pg_xlog_replay_pause() is used or max_standby_streaming_delay is set, are unapplied WAL segments stored on the hot standby? I'd like to be clear if a long-running query is keeping WAL segments ...
1
vote
1answer
90 views

Why would updating postgresql-client uninstall postgresql?

On a Debian 7 server, apt-get was offering me to upgrate the following 2 packages: postgresql-9.1 and postgresql-client-9.1. Since I didn't want to restart the database server, I decided only to ...
0
votes
1answer
187 views

After upgrading to PostgreSQL 9.4, unable to connect from localhost

I have recently upgraded from Debian 7 to Debian 8 and from PostgreSQL 9.1 to 9.4. I am not able to connect to my database server even from pgAdmin III on localhost. I have in my postgresql.conf the ...
1
vote
0answers
149 views

Postgres streaming replication over Internet

all: I want to set up two PostgreSQL servers, one as master server and the other one as a hot standy, using streaming replication. I have done this before in LAN environments, but I would like to ...
0
votes
1answer
33 views

Can't access remote PostreSQL

I just moved my office and now I can't get to PostgreSQL on my Windows web server. I changed the pg_hba.conf file to the new IP address. I made no other changes to the server or my computer. One ...
7
votes
1answer
2k views

su: /bin/bash: Resource temporarily unavailable

Unable to switch user to postgres. Ulimit settings for postgres user is set with reasonable limits. We are not hitting max. No errors in /var/log/messages. Error: BETA -bash-4.2# sudo su - ...
4
votes
2answers
178 views

PostgreSQL limiting connections to fewer than max_connections?

I have a PostgreSQL 9.4 server that seems to be limiting connections to fewer than what I have defined in max_connections. I have max_connections set to 300. SHOW max_connections; max_connections ...
0
votes
0answers
164 views

postgres sql returning "more than one row returned by a subquery used as an expression

Postgres sql is returning: more than one row returned by a subquery used as an expression The data base format is: rpt_rec_num | wksht_cd | line_num | clmn_num | itm_val_num ...
1
vote
1answer
102 views

Changing tablespace on table with streaming replication

I've been searching for answers for a while know but can't find any reliable source. We have 2 postgres servers that replicates using streaming replication. I now need to move some tables to a ...
0
votes
0answers
76 views

openshift gear borks and restarts

I have a Django application on Redhat OpenShift that uses a postgresql database. I use the free plan with 1 small gear using: Python 2.7 PostgreSQL 9.2 For a certain command I get thrown out from ...
0
votes
0answers
60 views

How to configure PostgreSQL password? on a new VM

I installed my postgresql like this. sudo apt-get update sudo apt-get install postgresql postgresql-contrib and accessed it like this sudo -i -u postgres and my a gist of my pga_hba.conf # DO ...
0
votes
1answer
1k views

start postgres 9.4 server from Windows commandline [closed]

I am trying to start the postgres erver from the Windows command line but it keeps failing with the same error: 2015-04-14 10:25:19 GST LOG: could not bind IPv6 socket: No error 2015-04-14 10:25:19 ...
0
votes
1answer
29 views

Postgres protected access

I am trying to configure my Postgres instance so that only the local machine and my machine (over internet) should be able to access the database. The postgresql.conf file has parameter ...
0
votes
1answer
128 views

PostgreSQL - SQLSTATE[22007]

I have a box running Debian Wheezy, It is only used to operate Airtime (Icecast, LiquidSoap) It was working fine, after loading some more data into folders and editing WATCHED FOLDERS, I am getting an ...
-1
votes
1answer
560 views

Migrate OTRS database from PostgreSQL to MySQL

OTRS supports PostgreSQL and MySQL databases. I'm using PostgreSQL 9.1 for my OTRS 3.2 but I want to migrate to MySQL 5.5. Is this possible? How?
0
votes
1answer
700 views

Migrate data from postgresql 8.4 to postgresql 9.4 in 2 different servers

I have a problem with postgresql as below: I have a server CentOS 5.9 install postgresql 8.4. It is running for my production and Data Size = 300 GB. At the moment, I need migrate all data in ...
0
votes
0answers
12 views

Postgres 9.3 maximal cluster size with streaming replication [duplicate]

First, I quote from https://wiki.postgresql.org/wiki/Binary_Replication_Tutorial: In Streaming Replication, the master and the standby have special processes called the walsender and walreceiver ...
0
votes
1answer
154 views

Syslog-ng and Logrotate creating sparse files

We've been using syslog-ng to log our postgres logs. On top of it we run logrotate every 5 minutes which also gzips the files. Recently, we've noted that these postgres logs contain a lot of null ...
0
votes
0answers
158 views

CentOS 7 Cluster with load balancer

I'm trying to understand how clustering works in CentOS 7. I'm not a cluster expert!!! What I'm trying to do is to have three clustered services: httpd, mariadb (mysql) and postgresql. I've managed ...
1
vote
1answer
78 views

The more threads the less IOPS?

I've just started trying out AWS. I have a Postgres micro instance on RDS and I'm running a crawler on a c4.large. When I have just one spider (one thread), I get about 10 write IOPS. but if two ...
2
votes
1answer
86 views

Monitoring maximum number of locks in PostgreSQL with Nagios

I'm wondering if the limit for the number of locks in PostgreSQL is fixed, or if it depends on the number of open connections. The docs say the limit is max_locks_per_transaction * (max_connections + ...
0
votes
1answer
1k views

Does PostgreSQL perform on Windows as well as on Linux

This topic was brought up in 2011, and the consensus was that there were design considerations that would give PostgreSQL a leg up on Linux. It is now 2015, has that changed? If there are things that ...
0
votes
1answer
215 views

Support for Postgres broken in HHVM 3.6.0

I keep getting Uncaught exception: Could not open extension /etc/hhvm/extensions/pgsql.so: /etc/hhvm/extensions/pgsql.so: undefined symbol: _ZN4HPHP13PDOConnection5sweepEv When I try to start up ...
0
votes
1answer
245 views

Reduce the size of main/base mysterious buildup

Using PostgreSQL 9.3. I had a long-running query updating around 8M rows. Something obviously went wrong. 2 days later I got a low disk space alert. I stopped the query and this is what I saw. ...
0
votes
1answer
35 views

Postgres replication via different interfaces

I have one PG master server that replicates itself to one slave server. Also I would like to replicate this master to slave that is in another network. Master has 2 interfaces, and there are ...
1
vote
0answers
105 views

PHPPGAdmin on Windows - authenticate users against Active Directory

I installed PHP, Apache 2.4, and PostgreSQL 9.4.1 on Windows machine which belongs to Windows domain. My pg_hba.conf: hostnossl all postgres 127.0.0.1/32 md5 hostnossl all all ...
22
votes
3answers
741 views

Risk of starting NTP on database server?

I've heard rumors of bad things happening to database and mail servers if you change the system time while they are running. However, I'm having a hard time finding any concrete information on actual ...
0
votes
0answers
409 views

HAProxy tcp load balancing with an https check fails

I'm trying to load balance a posgres tcp connection, with a node check done via a python script residing on an https connection. conf file looks like so: global log 127.0.0.1 local2 ...
0
votes
0answers
63 views

Connect to posgresql, WAN, settings

I´m working and reading on how to build up a postgresql-server. So far I´ve set it up and works smooth on my LAN. Now I want to access it from others computers on the internet. I´ve been reading here ...
0
votes
0answers
131 views

PostgreSQL 9.2/9.3 Streaming Replication Failback

I'm setting up a postgresql 9.2 streaming replication pair and writing up some documentation for failback after the secondary has been promoted. The official line seems to be that a full data dump of ...