Cannot kill Postgres process

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I keep trying to kill a PostgreSQL process that is running on port 5432 to no avail. Whenever I type sudo lsof -i :5432, I see something like the below:

postgres 587 postgres    4u  IPv6 0x218f97e9af5d0303      0t0  TCP *:postgresql (LISTEN)
postgres 587 postgres    5u  IPv4 0x218f97e9ae0f6c63      0t0  TCP *:postgresql (LISTEN)

I then try to kill the process 587 in this example with sudo kill -9 587, but then another process automatically restarts on the same port! I have tried killing it on activity monitor as well to no avail. Please help?

Thanks, Laura

I have 9.5 and 9.6 installed, so

sudo su - postgres

/Library/PostgreSQL/9.6/bin/pg_ctl -D /Library/PostgreSQL/9.6/data stop

9.5 started ...

/Library/PostgreSQL/9.5/bin/pg_ctl -D /Library/PostgreSQL/9.5/data stop

postgresql - how to nicely stop all postgres processes, It's safe to: sudo pkill -u postgres. That kills all processes running as user postgres . Or: pkill postgres. That kills all processes named 'postgres'. That kills all processes named 'postgres'. Do not use kill -9 (kill -KILL). Just kill (without options) does a SIGTERM, which is what you want. Alternatively, you can check the pgdata location if you can connect to PostgreSQL.

If you installed postgres using brew, this command might be what you are looking for :

brew services stop postgres

How to kill / terminate PostgreSQL hang query –, List out all processes. Issue “ ps -ef | grep postgres ” command to list out all existing processes belong to postgres user. mkyong:~  Do not use kill -9 on the main PostgreSQL process (the postmaster). There is the danger that some PostgreSQL backend processes don't die imediately, and if a new postmaster is started before all the old processes are gone, you will end up with data corruption.

list your postgres pid:

pg_ctl status -D /usr/local/var/postgres
pg_ctl: server is running (PID: 715)

force kill it..

kill -9 715

Cannot kill Postgres process - macos - jQuery, Try sudo launchctl list or sudo launchctl list | fgrep postg to find the name of the daemon. You can stop the daemon with sudo launchctl stop <name> where name depends on the result of the first command. $ brew services stop postgresql This will kill all processes and let you start the server. but of course you cannot kill that one with this function. This query lists the PIDs of currently active processes, and the SQL commands they are running: SELECT procpid , current_query FROM pg_stat_activity;

The process is restarting likely because it's spawned from a launchd daemon. You can try finding it and killing it through the launchctl command:

$ launchctl list

To kill a process you would:

$ launchctl kill

What do I do when pg_cancel_backend doesn't work?, You should never kill -9 any postgres process unless your goal is to bring the entire server down forcibly. You can kill any process that doesn't respond to a  The actual processes of a PostgreSQL server is shown here. In the following example, one postgres server process (pid is 9687), two backend processes (pids are 9697 and 9717) and the several background processes listed in Table 2.1 are running. See also Fig. 2.1.

I had this issue trying to stop postgres. I was unable to use pg_ctl stop. I installed postgress using brew.

I eventually stumbled upon this post which solved the issue for me.

Finding and killing long running queries on PostgreSQL, It may take a few seconds to stop the query entirely using the pg_cancel_backend command. If the you find the process is stuck you can kill it by running: SELECT  Show running process in postgres I mostly use the MySQL server and very much familiar with its commands and how it works. Today I was checking How to check the running process in Postgresql. In MySQL we use show processlist; command. In Postgresql,to show running process in postgres use below given command Step 1: Login …

How do I fix a stuck Postgres process? - Heroku Help, where 2048 is the PID (process id) that you wish to stop. For cases where killing individual processes isn't working, you can also terminate all the connections to  HI, I have a vacuum process that has been running on a table for the past 20 days. The server is postgres 8.3 on ubuntu linux. Can I safely kill the vacuum with:

Documentation: 9.3: Shutting Down the Server, It then waits for all server processes to exit and finally shuts down. Alternatively, you can send the signal directly using kill on non-Windows systems. The PID  What is postgres.exe? The .exe extension on a filename indicates an exe cutable file. Executable files may, in some cases, harm your computer. Therefore, please read below to decide for yourself whether the postgres.exe on your computer is a Trojan that you should remove, or whether it is a file belonging to the Windows operating system or to a trusted application.

Re: I can't cancel/terminate query., What should i do to safely close that queries, before to use kill *o cancel a process with pg_terminate_backend, you need to be a superuser. Each of the remaining processes is a server process handling one client connection. Each such process sets its command line display in the form postgres: user database host activity

  • Do not use kill -9 on the main PostgreSQL process (the postmaster). There is the danger that some PostgreSQL backend processes don't die imediately, and if a new postmaster is started before all the old processes are gone, you will end up with data corruption.
  • Laurenz is right. Killing a Postgres process from the command line is a bad idea. You need to properly shut down Postgres (e.g. pg_ctl stop)
  • I have the same problem, first I'm trying to kill a user with pg_terminate_backend, without result, then I do the pg_ctl stop -mf, but with no result, just when I kill a specific session with kill -9 dies, but my server restart
  • I found a few processes associated with Postgres but how do I kill them? I tried launchctl kill 5660com.postgresapp.Postgres2MenuHelper.1184 but am not getting the syntax right :/
  • You have to use the signal name or number also... so launchctl kill 9 ... If the process spawns again you can also try launchctl disable ... and launchctl unload. In Terminal try doing man launchctl for help.