actually the parameter is in switch.conf.xml: <!-- The system will create all the db schemas automatically, set this to false to avoid this behaviour --> <!-- <param name="auto-create-schemas" value="true"/> --> You will need to uncomment it, andd set it to false -giovanni On Wed, May 29, 2019 at 8:49 AM Giovanni Maruzzelli <gmaruzz@gmail.com> wrote:
Fredrick, no, that is a very bad idea.
Mike was rwferring to disable the freeswitch feature that manage the db schema (eg, drop and create tables) at startup.
This can be configured in vars.conf.xml or in some other xml config file, near where you config the dsn to access the db.
So, freeswitch will not emit ddl commands.
On Wed, May 29, 2019, 06:54 Frédérick Pruneau <frederick@targointernet.com> wrote:
Thanks for your help.
I have found this to remove DDL locks and it works. I don't know if it is a good way:
SELECT pg_terminate_backend(pid) FROM pg_stat_activity WHERE datname = 'freeswitch';
ALTER ROLE $db_user SET bdr.permit_ddl_locking = false;
I will check to disable schema management features. Le 19-05-10 à 16 h 26, Mike Jerris a écrit :
If you are using shared db you should be disabling the features for managing the schema. The issue is you will need to manually maintain your schema. Almost always we manage schema it a way that is backwards compatible so you can do staged upgrades if you manually add to the tables.
On May 10, 2019, at 5:45 AM, Praveen Chourasia < praveen.chourasia@outlook.com> wrote:
Hi Frédérick,
PostgreSQL BDR uses 'Master-Master' replication and requires locking if any of the PostgreSQL BDR nodes (that are in replication cluster) executes DDL SQL queries. It causes the whole cluster to lock as far as I remember.
The reason you may be experiencing the database getting locked when you restart one of the FreeSWITCH nodes is that FreeSWITCH upon its start/restart executes DDL queries.
FreeSWITCH AFAIK unconditionally executes 'DROP TABLE/VIEW...' and 'CREATE TABLE/VIEW ...' for tables like 'channels', 'calls', 'interfaces', 'tasks' (TABLES) & 'detailed_calls', 'basic_calls' (VIEWS) that ultimately leads to PostgreSQL BDR getting locked.
-- *Praveen Chourasia*
------------------------------ *From:* FreeSWITCH-users <freeswitch-users-bounces@lists.freeswitch.org> on behalf of Frédérick Pruneau <frederick@targointernet.com> *Sent:* Monday, May 6, 2019 7:38 PM *To:* freeswitch-users@lists.freeswitch.org *Subject:* [Freeswitch-users] FS can't reconnect to PostgreSQL database
Hi guys,
I have an issue with FS unable to reconnect to postgresql database. Here is the setup: 2 FreeSWITCH servers with 2 postgresql servers. Each freeswitch is connected to 1 postgresql server. DB servers are synced with BDR. It was working very well until I restarted freeswitch service on one of the servers. Then, I got theses errors showing up on freeswitch console:
switch_pgsql.c:384 Query X took too long to complete or database not responding.
database is locked against ddl by another node
I followed some guides to remove locks with these commands:
SELECT * FROM pg_stat_activity; SELECT pg_terminate_backend(${pid});
But the issue is still there. Do you have an idea how to fix this issue?
Thanks.
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The FreeSWITCH project is sponsored by SignalWire https://signalwire.com Enhance your FreeSWITCH install with disruptive priced SMS and PSTN services. Build your next product on our scalable cloud platform.
Join our online community to chat in real time https://signalwire.community
Professional FreeSWITCH Services sales@freeswitch.com https://freeswitch.com
Official FreeSWITCH Sites https://freeswitch.com/oss https://freeswitch.org/confluence https://cluecon.com
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