Re: perl path issue

From: Adrian Klaver <adrian(dot)klaver(at)aklaver(dot)com>
To: Prakash Ramakrishnan <prakash(dot)ramakrishnan(dot)ap(at)nielsen(dot)com>
Cc: David Steele <david(at)pgmasters(dot)net>, "pgsql-generallists(dot)postgresql(dot)org" <pgsql-general(at)lists(dot)postgresql(dot)org>
Subject: Re: perl path issue
Date: 2019-05-11 13:48:04
Message-ID: 805b87a3-9849-7366-2e38-7dc63c8123c2@aklaver.com
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On 5/10/19 6:49 PM, Prakash Ramakrishnan wrote:
> Hi Adrian,

If I am following the below correctly you have EDB Postgres and
pgBackRest running together on the prod server, correct?

If so what was done different/is different on the dev server?

>
> 1) How was the production Postgres installed(EDB, native packages) and
> on what OS?
>
> prod has been installed edb standard edition .run file and os CENTOS 7.5
>
> 2) The dev Postgres is the one installed using EDB installer, correct?
>
> yes
>
> 3) Define working fine. In other words where you/are you using a backup
> method other then pgBackRest on the production and dev server?
>
> Please find prod config file and backup details,
>
> ==> cat /etc/pgbackrest.conf
> [global]
> repo1-path=/pgBACKUP/A4_sydcosafpp001
> retention-diff=3
> retention-full=1
> retention-archive=2
> start-fast=y
> process-max=12
> archive-async=y
>
>
> [global:archive-push]
> process-max=4
>
> [A4_sydcosafpp001]
> pg1-path=/Postgres/pgDATA/data
> postgres(at)sydcosafpp001(dot)enterprisenet(dot)org:/home/postgres
> ==> cd /pgBACKUP/A4_sydcosafpp001/
> archive/ backup/
> postgres(at)sydcosafpp001(dot)enterprisenet(dot)org:/home/postgres
> ==> cd /pgBACKUP/A4_sydcosafpp001/backup/A4_sydcosafpp001/
> postgres(at)sydcosafpp001(dot)enterprisenet(dot)org:/pgBACKUP/A4_sydcosafpp001/backup/A4_sydcosafpp001
> ==> ls -lrth
> total 114K
> drwxr-x---. 4 postgres postgres   44 Jan  7 01:08 backup.history
> drwxr-x---. 3 postgres postgres   96 May  4 21:30 20190504-190001F
> drwxr-x---. 3 postgres postgres   96 May  5 19:41
> 20190504-190001F_20190505-190002I
> drwxr-x---. 3 postgres postgres   96 May  6 20:28
> 20190504-190001F_20190506-190002I
> drwxr-x---. 3 postgres postgres   96 May  7 20:26
> 20190504-190001F_20190507-190004I
> drwxr-x---. 3 postgres postgres   96 May  8 20:28
> 20190504-190001F_20190508-190002I
> drwxr-x---. 3 postgres postgres   96 May  9 20:32
> 20190504-190001F_20190509-190001I
> drwxr-x---. 3 postgres postgres   96 May 10 20:32
> 20190504-190001F_20190510-190001I
> lrwxrwxrwx. 1 postgres postgres   33 May 10 20:32 latest ->
> 20190504-190001F_20190510-190001I
> -rw-r-----. 1 postgres postgres 5.7K May 10 20:32 backup.info
> <http://backup.info>
> -rw-r-----. 1 postgres postgres 5.7K May 10 20:32 backup.info.copy
>
>
>
> 4) When you say single database are you talking about a particular
> database in the Postgres cluster or the entire cluster?
>
> we need restore for single database for single cluster.
>
> 5) Why is pgBackRest essential to this? In other words why not use the
> Postgres pg_dump/pg_restore tools?
>
> pgbackrest tool need for backup and restore larger databases.
> if suppose am using pg_dump and restore they wont accept it and taking
> too much time using parallel option also so we use for pgbackrest.
>
>
> On Fri, May 10, 2019 at 9:44 PM Adrian Klaver <adrian(dot)klaver(at)aklaver(dot)com
> <mailto:adrian(dot)klaver(at)aklaver(dot)com>> wrote:
>
> On 5/10/19 7:50 AM, Prakash Ramakrishnan wrote:
> > Hi Adrian,
> >
> > Production backup working fine now and previously dev server also
> > working fine.
> >
> > Now the business team wants to restore the single database using
> > pgbackrest tool so we have setup the pgbackrest.conf file is like to
> > point prod .
>
>
> The above is not much to go on. So a list of questions below. Please
> answer them all, thanks:
>
> 1) How was the production Postgres installed(EDB, native packages) and
> on what OS?
>
> 2) The dev Postgres is the one installed using EDB installer, correct?
>
> 3) Define working fine. In other words where you/are you using a backup
> method other then pgBackRest on the production and dev server?
>
> 4) When you say single database are you talking about a particular
> database in the Postgres cluster or the entire cluster?
>
> 5) Why is pgBackRest essential to this? In other words why not use the
> Postgres pg_dump/pg_restore tools?
>
>
> As to below, this more then a Perl issue it is a package
> incompatibility
> issue.
>
>
> >
> > and directly  restore the backup from prod so thats why not able
> to do
> > some perl issue .
> >
> > database size is huge so they giving pressure and below is the
> config file,
> >
> > ==> cat /etc/pgbackrest.conf
> > #[global]
> > #repo1-path=/Postgres/pgBACKUP/A4_sydcosausd001
> > #retention-diff=4
> > #retention-full=4
> > #retention-archive=2
> > #start-fast=y
> > #process-max=4
> > #archive-async=y
> >
> >
> > #[global:archive-push]
> > #process-max=4
> >
> > #[A4_sydcosausd001]
> > #db-path=/Postgres/pgDATA/data
> >
> > *
> > *
> > *[global]*
> > *repo1-host=sydcosafpp001.enterprisenet.org
> <http://sydcosafpp001.enterprisenet.org>
> > <http://sydcosafpp001.enterprisenet.org>*
> > *repo1-host-user=postgres*
> > *repo1-host-config=/etc/pgbackrest.conf*
> > *repo1-path=/pgBACKUP/A4_sydcosafpp001/backup/A4_sydcosafpp001*
> > *
> > *
> > *[A4_sydcosafpp001]*
> > *pg1-path=/Postgres/prakash_pgbackrest*
> > postgres(at)sydcosausd001(dot)enterprisenet(dot)org:/home/postgres
> >
> >
> >
> > On Fri, May 10, 2019 at 8:15 PM Adrian Klaver
> <adrian(dot)klaver(at)aklaver(dot)com <mailto:adrian(dot)klaver(at)aklaver(dot)com>
> > <mailto:adrian(dot)klaver(at)aklaver(dot)com
> <mailto:adrian(dot)klaver(at)aklaver(dot)com>>> wrote:
> >
> >     On 5/10/19 7:36 AM, Prakash Ramakrishnan wrote:
> >      > Hi Adrian,
> >      >
> >      > I did the installation for like ,
> >      >
> >      > postgresql-10.4-1-linux-x64.run file.
> >      >
> >      > pgbackrest - yum install
> >      >
> >
> https://download.postgresql.org/pub/repos/yum/9.6/redhat/rhel-7-x86_64/pgdg-redhat96-9.6-3.noarch.rp
> >
> >      >
> >
>  <https://download.postgresql.org/pub/repos/yum/9.6/redhat/rhel-7-x86_64/pgdg-redhat96-9.6-3.noarch.rpm>m
> >      >
> >      >
> >      > yum install pgbackrest
> >
> >     As explained upstream that is not going to work. The package
> YUM is
> >     installing is assuming that it will be working with Postgres
> installed
> >     from packages in the same repo. That is not the case. You
> might be able
> >     to download the pgBackrest source and build it pointing at
> the Perl in
> >     the EDB install, but I have no idea how to make that happen.
> >      >
> >      >
> >      > now what is the problem means we have to trying restore the
> >     backup prod
> >      > to dev server.
> >      >
> >
> >     So was the prod backup taken with pgBackRest?
> >
> >     --
> >     Adrian Klaver
> > adrian(dot)klaver(at)aklaver(dot)com <mailto:adrian(dot)klaver(at)aklaver(dot)com>
> <mailto:adrian(dot)klaver(at)aklaver(dot)com <mailto:adrian(dot)klaver(at)aklaver(dot)com>>
> >
> >
> >
> > --
> >
> >
> >
> > Thanks,
> > Prakash.R
> > PostgreSQL - Offshore DBA support TCS / Nielsen Infrastructure
> Team On
> > call : +91-8939599426
>
>
> --
> Adrian Klaver
> adrian(dot)klaver(at)aklaver(dot)com <mailto:adrian(dot)klaver(at)aklaver(dot)com>
>
>
>
> --
>
>
>
> Thanks,
> Prakash.R
> PostgreSQL - Offshore DBA support TCS / Nielsen Infrastructure Team On
> call : +91-8939599426

--
Adrian Klaver
adrian(dot)klaver(at)aklaver(dot)com

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