Re: ZFS filesystem - supported ?

2021-10-25 Thread Laurenz Albe
On Sat, 2021-10-23 at 11:29 +, Laura Smith wrote: > Given an upcoming server upgrade, I'm contemplating moving away from XFS to > ZFS > (specifically the ZoL flavour via Debian 11). > BTRFS seems to be falling away (e.g. with Redhat deprecating it etc.), hence > my preference for ZFS. > > Ho

Re: Issue with pg_basebackup v.11

2021-10-25 Thread Ninad Shah
Thanks Tom. Regards, Ninad Shah On Sat, 23 Oct 2021 at 20:12, Tom Lane wrote: > Ninad Shah writes: > > Would keepalive setting address and mitigate the issue? > > [ shrug... ] Maybe; nobody else has more information about this > situation than you do. I suggested something to experiment wit

Re: ZFS filesystem - supported ?

2021-10-25 Thread Stephen Frost
Greetings, * Mladen Gogala (gogala.mla...@gmail.com) wrote: > On 10/23/21 23:12, Lucas wrote: > >This has proven to work very well for me. I had to restore a few backups > >already and it always worked. The bad part is that I need to stop the > >database before performing the Snapshot, for data in

Re: ZFS filesystem - supported ?

2021-10-25 Thread Chris Travers
On Mon, Oct 25, 2021 at 10:18 AM Laurenz Albe wrote: > On Sat, 2021-10-23 at 11:29 +, Laura Smith wrote: > > Given an upcoming server upgrade, I'm contemplating moving away from XFS > to ZFS > > (specifically the ZoL flavour via Debian 11). > > BTRFS seems to be falling away (e.g. with Redhat

Re: ZFS filesystem - supported ?

2021-10-25 Thread Mladen Gogala
On 10/25/21 13:13, Stephen Frost wrote: No, it's not- you must also be sure to archive any WAL that's generated between the pg_start_backup and pg_stop_backup and then to be sure and add into the snapshot the appropriate signal files or recovery.conf, depending on PG version, to indicate that y

Re: ZFS filesystem - supported ?

2021-10-25 Thread E-BLOKOS
On 10/25/2021 10:13 AM, Stephen Frost wrote: Greetings, * Mladen Gogala (gogala.mla...@gmail.com) wrote: On 10/23/21 23:12, Lucas wrote: This has proven to work very well for me. I had to restore a few backups already and it always worked. The bad part is that I need to stop the database bef

Re: ZFS filesystem - supported ?

2021-10-25 Thread Lucas
On 26/10/2021, at 6:13 AM, Stephen Frost wrote: > > Greetings, > > * Mladen Gogala (gogala.mla...@gmail.com) wrote: >> On 10/23/21 23:12, Lucas wrote: >>> This has proven to work very well for me. I had to restore a few backups >>> already and it always worked. The bad part is that I need to sto

Re: ZFS filesystem - supported ?

2021-10-25 Thread Mladen Gogala
On 10/25/21 15:43, E-BLOKOS wrote: what about BTRFS since it's the successor of ZFS? BTRFS is NOT the successor to ZFS. It never was. It was completely new file system developed by Oracle Corp. For some reason, Oracle seems to have lost interest in it. Red Hat has deprecated and, in all li

Re: ZFS filesystem - supported ?

2021-10-25 Thread Robert L Mathews
On 10/25/21 1:40 PM, Mladen Gogala wrote: This is probably not the place to discuss the inner workings of snapshots, but it is worth knowing that snapshots drastically increase the IO rate on the file system - for every snapshot. That's where the slowness comes from. I have recent anecdotal e

Re: ZFS filesystem - supported ?

2021-10-25 Thread Benedict Holland
In my opinion, ext4 will solve any and all problems without a very deep understanding of file system architecture. In short, i would stick with ext4 unless you have a good reason not to. Maybe there is one. I have done this a long time and never thought twice about which file system should support

plpython3 package installation problem

2021-10-25 Thread Yi Sun
Hello, As we need to use the plpython3u extension, we tried to install the plpython3 package but showed that we needed to install python3-libs, but python36-libs was already installed for patroni usage. 1. Will installing python3-libs affect current python36-libs usage? 2. If we can do some confi

Need recommendation on PARALLEL INDEX SCAN and PARALLEL APPEND

2021-10-25 Thread Vivekk P
Hi Team, Please have a look on the below problem statement and suggest us if there are any ways to make the planner pick PARALLEL INDEX SCAN and PARALLEL APPEND *Problem Statement :* We have a partitioned table with a partition key column (crdt --> timestamp). A SELECT query on this table that d