migrating from Oracle to PostgreSQL 11

2019-06-27 Thread Hitesh Chadda
Hi PostgresSQL Support, I have to migrate from Oracle 11g to PostgresSQL 11.4. Please suggest best solution for doing the migration. Regards H.Kumar

Re: migrating from Oracle to PostgreSQL 11

2019-06-27 Thread Enrico Pirozzi
Hi, I think you can start from: - https://wiki.postgresql.org/wiki/Oracle_to_Postgres_Conversion - https://severalnines.com/blog/migrating-oracle-postgresql-what-you-should-know - http://ora2pg.darold.net/ - https://pgxn.org/dist/orafce/ Regards, Enrico Il 26/06/2019 15:42, Hitesh Chadd

Postgresql 12 Beta2 Crashes for any Insert/Update

2019-06-27 Thread Mohsen Bande
i have a working database in PG 12 Beta 1. today i upgraded it to Beta 2. everything goes fine and server is up and running. but trying to INSERT/UPDATE anything, server crashes: =# select id from user where id=0; id 0(1 row)=# UPDATE user SET is_deleted = true WHERE id = 0; psql: server c

patch 11.2 to 11.4

2019-06-27 Thread Prakash Ramakrishnan
Hi Team, I done the installation using yum poostgresql 11 server method now i need to update or apply the patch using repo file how to do this 11.2 to 11.4 please share me the steps . -- Thanks, Prakash.R

Re: pg_receivelwal vs synchronous

2019-06-27 Thread Magnus Hagander
On Wed, Jun 26, 2019 at 5:06 PM Jesper Pedersen wrote: > Hi, > > PostgreSQL 11.4 > > Given, > > postgresql.conf: > > wal_level = replica > synchronous_commit = remote_apply > synchronous_standby_names = '*' > > > CREATE ROLE repluser WITH LOGIN REPLICATION PASSWORD 'mypwd'; > SEL

Re: pg_receivelwal vs synchronous

2019-06-27 Thread Jesper Pedersen
Hi Magnus, On 6/27/19 8:37 AM, Magnus Hagander wrote: What am I missing here ? I believe your problem is remote_apply. pg_receivewal never *applies* any WAL, so it just updates the write and flush locations. Notice how the replay_lsn remains NULL. So you need synchronous_commit to be 'on' o

Re: migrating from Oracle to PostgreSQL 11

2019-06-27 Thread Steven Lembark
On Wed, 26 Jun 2019 19:12:07 +0530 Hitesh Chadda wrote: > Hi PostgresSQL Support, > > I have to migrate from Oracle 11g to PostgresSQL 11.4. Please suggest > best solution for doing the migration. Bit of a broad topic for an answer. Other than "carefully", there isn't enough of a question to an

Re: patch 11.2 to 11.4

2019-06-27 Thread Fabrízio de Royes Mello
Em qui, 27 de jun de 2019 às 05:35, Prakash Ramakrishnan < prakash.ramakrishnan...@nielsen.com> escreveu: > Hi Team, > > I done the installation using yum poostgresql 11 server method now i need > to update or apply the patch using repo file how to do this 11.2 to 11.4 > please share me the steps

Re: patch 11.2 to 11.4

2019-06-27 Thread Prakash Ramakrishnan
Thanks for your support. On Thu, Jun 27, 2019, 18:58 Fabrízio de Royes Mello wrote: > > Em qui, 27 de jun de 2019 às 05:35, Prakash Ramakrishnan < > prakash.ramakrishnan...@nielsen.com> escreveu: > >> Hi Team, >> >> I done the installation using yum poostgresql 11 server method now i need >> to

In-depth commercial postgresql training

2019-06-27 Thread Marcelo Lacerda
Our company is looking for commercial training in postgresql. We want a training option that's as in-depth as possible (going as far as being able to read and patch postgresql source code). Is there any company that offers something like that? Another important thing to mention is that due to lega

Re: In-depth commercial postgresql training

2019-06-27 Thread Fabrízio de Royes Mello
Em qui, 27 de jun de 2019 às 10:47, Marcelo Lacerda < marceloslace...@gmail.com> escreveu: > Our company is looking for commercial training in postgresql. We want a > training option that's as in-depth as possible (going as far as being able > to read and patch postgresql source code). Is there an

Re: 9.6.11- could not truncate directory "pg_serial": apparent wraparound

2019-06-27 Thread Pavel Suderevsky
Hi, Got this issue again. Settings on the platform (PG 9.6.11): max_pred_locks_per_transaction = 3000 max_connections = 800 Despite the fact that documentation says: > with the exception of fast-path locks, each lock manager will deliver a consistent set of results I've noticed the following: 1.

Re: Postgresql 12 Beta2 Crashes for any Insert/Update

2019-06-27 Thread Peter Geoghegan
On Thu, Jun 27, 2019 at 1:28 AM Mohsen Bande wrote: > i have a working database in PG 12 Beta 1. today i upgraded it to Beta 2. > everything goes fine and server is up and running. but trying to > INSERT/UPDATE anything, server crashes: Is it possible for you to send us a stacktrace? https://w

pg_dump (COPY) hanging intermittently

2019-06-27 Thread Ben Snaidero
Hi, I am running into a strange issue with Postgres 10 when using pg_dump with the directory format and jobs parameter set it intermittently hangs. Seems to occur less frequently the lower I set the jobs parameter but does happen eventually even when set to 2 (could not reproduce when jobs=1). I

Re: pg_dump (COPY) hanging intermittently

2019-06-27 Thread Tom Lane
Ben Snaidero writes: > I am running into a strange issue with Postgres 10 when using pg_dump with > the directory format and jobs parameter set it intermittently hangs. Seems > to occur less frequently the lower I set the jobs parameter but does happen > eventually even when set to 2 (could not r

Re: pg_dump (COPY) hanging intermittently

2019-06-27 Thread Ben Snaidero
On Thu, Jun 27, 2019 at 2:34 PM Tom Lane wrote: > Ben Snaidero writes: > > I am running into a strange issue with Postgres 10 when using pg_dump > with > > the directory format and jobs parameter set it intermittently hangs. > Seems > > to occur less frequently the lower I set the jobs parameter

Re: pg_dump (COPY) hanging intermittently

2019-06-27 Thread Tom Lane
Ben Snaidero writes: > Do these stack traces shed help at all? None worth mentioning :-(. Can you rebuild with debug symbols? regards, tom lane

Re: Need a referential constraint to a non-unique record

2019-06-27 Thread Adrian Klaver
On 6/26/19 7:28 AM, David Gauthier wrote: Ccing list. Actually, I'm not storing 4 records in the 'grades' table for each record in the 'students' table.  For example, if student Joe gets straight A's, he points to grades.grade_id = 1.  If student Sue also gets straight A's, she points to grade

Re: patch 11.2 to 11.4

2019-06-27 Thread Prakash Ramakrishnan
Hi Fabrizo, After applying the update command getting this error , postg...@shacoyuhss001.enterprisenet.org:/home/postgres ==> psql psql (11.4, server 11.3) Type "help" for help. postgres=# postgres=# select version(); version

Re: Re: Enabling checksums on a streaming replica

2019-06-27 Thread Michael Paquier
On Wed, Jun 26, 2019 at 02:08:19PM -0400, Brad Nicholson wrote: > In testing, it doesn't appear to matter. I've ensured that I've generated > some full page writes (confirmed via pg_waldump), and those apply > fine. Full pages writes are first written from shared buffers to WAL, where their check

PostgreSQL 11 Auto vacuum

2019-06-27 Thread Pawan Sharma
Hello All, How the Auto vacuum works on logical partition tables in PostgreSQL 11. Currently, we are using database in PG10 with logical partition of tables and we are facing an performance issue due to large number of bloats. Actually we have notice that Auto vacuum in PG10 keeps vacuuming the