Hello everyone,
When I start to learn the 'pg_ctl',
the bash echo 'pg_ctl: command not found...' and then print 'Install
package 'postgresql-server' to provide command 'pg_ctl'? [N/y]'
I am confused because I had already install the PostgreSQL correctly
just follow the postgres Document,to prove
On Tue, 2022-03-08 at 17:44 +0800, BeginnerC wrote:
> When I start to learn the 'pg_ctl',
> the bash echo 'pg_ctl: command not found...' and then print 'Install package
> 'postgresql-server' to provide command 'pg_ctl'? [N/y]'
> I am confused because I had already install the PostgreSQL correctly
https://www.postgresql.org/docs/14/sql-set-transaction.html
"The DEFERRABLE transaction property has no effect unless the transaction
is also SERIALIZABLE and READ ONLY. When all three of these properties are
selected for a transaction, the transaction may block when first acquiring
its snapshot,
On 3/8/22 01:44, BeginnerC wrote:
Hello everyone,
When I start to learn the 'pg_ctl',
the bash echo 'pg_ctl: command not found...' and then print 'Install
package 'postgresql-server' to provide command 'pg_ctl'? [N/y]'
I am confused because I had already install the PostgreSQL correctly
just fo
On Tue, 2022-03-08 at 06:29 -0700, Michael Lewis wrote:
> "The DEFERRABLE transaction property has no effect unless the transaction is
> also
> SERIALIZABLE and READ ONLY. When all three of these properties are selected
> for a transaction,
> the transaction may block when first acquiring its sna
>
> A transaction started with the first statement will not take any SI locks,
> nor
> will it ever receive a serialization error.
>
What is the meaning of SI? Anything you are aware of in source code or a
blog post that discusses this?
Michael Lewis writes:
>> A transaction started with the first statement will not take any SI locks,
>> nor will it ever receive a serialization error.
> What is the meaning of SI? Anything you are aware of in source code or a
> blog post that discusses this?
There's src/backend/storage/lmgr/READ
On 3/8/22 08:21, Tom Lane wrote:
Michael Lewis writes:
A transaction started with the first statement will not take any SI locks,
nor will it ever receive a serialization error.
What is the meaning of SI? Anything you are aware of in source code or a
blog post that discusses this?
There's
On Tue, Mar 8, 2022 at 9:27 AM Adrian Klaver
wrote:
> "PostgreSQL maintains this guarantee even when providing the strictest
> level of transaction isolation through the use of an innovative
> Serializable Snapshot Isolation (SSI) level."
>
> Then:
>
>
> https://www.postgresql.org/docs/current/tr
On 3/8/22 10:47 AM, Michael Lewis wrote:
Thanks to you both. If other concurrent sessions are using default
isolation level of Read committed, would putting long running reports
(read-only) into that read-only serializable deferrable mode be
impactful at all?
The documentation says that a tr
On Mon, Mar 07, 2022 at 09:54:22AM -0800, Andres Freund wrote:
> > Initially select didn't break anything, but when I tuned down
> > jit_above_cost so that it will kick in - got fails immediately.
> Could you set jit_debugging_support=on and show a backtrace with that?
Here you go:
Program receive
On Tue, Mar 8, 2022 at 11:47 AM Michael Lewis wrote:
>
> Thanks to you both. If other concurrent sessions are using default
> isolation level of Read committed, would putting long running reports
> (read-only) into that read-only serializable deferrable mode be impactful
> at all?
>
I'm tending
Hi guys!
You may have seen my previous posts about Streaming Replication Lag
issues and some questions regarding upgrading from PostgreSQL 9.2 to
PostgreSQL 14. Well, I have completed the project a couple of weeks ago
and have successfully migrated from PG 9.2 to PG 14. :)
You can check it
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