Re: MVCC and all that...

2025-09-10 Thread Nico Williams
On Tue, Sep 09, 2025 at 08:41:02PM -0400, Justin wrote: > The author brings up threaded vs multi-process. That's an old old old old > old conversation that has been shown there is no clear better way. This is relevant to the next part: > Number of open connections. so firebird can do 1000 open

Re: MVCC and all that...

2025-09-10 Thread Ron Johnson
On Wed, Sep 10, 2025 at 6:20 PM Justin wrote: > On Wed, Sep 10, 2025 at 5:28 PM Nico Williams > wrote: > >> [snip] > I would really like out-of-band hints. These would be hints not >> specified in the SQL itself but to be sent separately and which address >> table sources or joins by name, li

Re: MVCC and all that...

2025-09-10 Thread Nico Williams
On Wed, Sep 10, 2025 at 06:20:18PM -0400, Justin wrote: > I am not following you here, Databases are going to be bound somewhere at > some point, Disk,IO, Network IO, Memory, or CPU bound. Which one is > causing the bottle neck just depends on the workload and size of the > database. > > The nu

Re: MVCC and all that...

2025-09-10 Thread Justin
On Wed, Sep 10, 2025 at 5:28 PM Nico Williams wrote: > On Tue, Sep 09, 2025 at 08:41:02PM -0400, Justin wrote: > > The author brings up threaded vs multi-process. That's an old old old old > > old conversation that has been shown there is no clear better way. > > This is relevant to the next part

Re: MVCC and all that...

2025-09-10 Thread Ron Johnson
On Tue, Sep 9, 2025 at 8:41 PM Justin wrote: [snip] > Multiple transactions per connection. I am asking WHY is that a feature. > when one can have multiple sessions, what is the difference? running > multiple transactions in single or multiple sessions means moving part of > transaction logic

Re: MVCC and all that...

2025-09-10 Thread Álvaro Herrera
On 2025-Sep-10, Justin wrote: > On Wed, Sep 10, 2025 at 3:41 AM Ellen Allhatatlan < > [email protected]> wrote: > > > The author brings up threaded vs multi-process. That's an old old old > > old old conversation that has been shown there is no clear better way. > > > > This is where thi

Re: MVCC and all that...

2025-09-10 Thread Justin
On Wed, Sep 10, 2025 at 3:41 AM Ellen Allhatatlan < [email protected]> wrote: > Hi, and thanks for your input, > > Just before I reply - if you (at least here in Ireland - Google's > answers vary per location, unlike Duckduckgo's) search for "firebird > mvcc mechanism" the "AI assistant"

Re: MVCC and all that...

2025-09-10 Thread Ellen Allhatatlan
> Though I would like to know what happened in mid 2010?: > https://github.com/FirebirdSQL/firebird/graphs/contributors Yes, indeed, WTF? I'm not a member of the FB Illuminati - so I can't say! > > OK again. I'm just wondering if the single file per database isn't a > > fundamental architectural

Re: MVCC and all that...

2025-09-10 Thread Ellen Allhatatlan
Hi, and thanks for your input, Just before I reply - if you (at least here in Ireland - Google's answers vary per location, unlike Duckduckgo's) search for "firebird mvcc mechanism" the "AI assistant" tells me twice that FB's MVCC implementation is "like PostgreSQL's"... I'll investigate further a