Re: [firebird-support] What is the optimum pageSize?

2019-11-18 Thread Mark Rotteveel m...@lawinegevaar.nl [firebird-support]
On 2019-11-17 12:22, jerz...@o2.pl [firebird-support] wrote: > On Sat, 16 Nov 2019 10:29:44 +0100, Mark Rotteveel > m...@lawinegevaar.nl [firebird-support] wrote: >> Because it is hard to do. A lot of internals in Firebird and its >> clients >> rely on this maximum size (hint: the number itself

Re: [firebird-support] What is the optimum pageSize?

2019-11-17 Thread Ann Harrison aharri...@ibphoenix.com [firebird-support]
> On Nov 17, 2019, at 6:22 AM, jerz...@o2.pl [firebird-support] > wrote: > > On Sat, 16 Nov 2019 10:29:44 +0100, Mark Rotteveel m...@lawinegevaar.nl > [firebird-support] wrote: > In Release Notes for these versions. Maximum size of record was not changed. > > >>> This is a

Re: [firebird-support] What is the optimum pageSize?

2019-11-17 Thread Dimitry Sibiryakov s...@ibphoenix.com [firebird-support]
17.11.2019 12:22, jerz...@o2.pl [firebird-support] wrote: > > Because it is hard to do. A lot of internals in Firebird and its clients > > rely on this maximum size (hint: the number itself fits in a 2-byte > > unsigned integer). It is not like you just need to update a MAX_ROW_SIZE > >

Re: [firebird-support] What is the optimum pageSize?

2019-11-17 Thread jerz...@o2.pl [firebird-support]
On Sat, 16 Nov 2019 10:29:44 +0100, Mark Rotteveel m...@lawinegevaar.nl [firebird-support] wrote: >>> In Release Notes for these versions. >>> Maximum size of record was not changed. >> This is a very big limitation, a few larger char fields with multibyte >> coding and we get an

Re: [firebird-support] What is the optimum pageSize?

2019-11-16 Thread Dimitry Sibiryakov s...@ibphoenix.com [firebird-support]
16.11.2019 09:33, jerz...@o2.pl [firebird-support] wrote: > a few larger char fields with multibyte coding and we get an exception. An entity with several large text attributes is unusual. Can you provide an example? -- WBR, SD.

Re: [firebird-support] What is the optimum pageSize?

2019-11-16 Thread Mark Rotteveel m...@lawinegevaar.nl [firebird-support]
On 16-11-2019 09:33, jerz...@o2.pl [firebird-support] wrote: > >>> But only for FB 2.5, not for FB3! >>> My question was about FB3. Where is info about new versions? > >> In Release Notes for these versions. >> Maximum size of record was not changed. > > > This is a very big

Re: [firebird-support] What is the optimum pageSize?

2019-11-16 Thread jerz...@o2.pl [firebird-support]
>> But only for FB 2.5, not for FB3! >> My question was about FB3. Where is info about new versions? >In Release Notes for these versions. >Maximum size of record was not changed. This is a very big limitation, a few larger char fields with multibyte coding and we get an exception. I

Re: [firebird-support] What is the optimum pageSize?

2019-11-15 Thread Dimitry Sibiryakov s...@ibphoenix.com [firebird-support]
15.11.2019 22:09, jerz...@o2.pl [firebird-support] wrote: > But only for FB 2.5, not for FB3! > My question was about FB3. Where is info about new versions? In Release Notes for these versions. Maximum size of record was not changed. -- WBR, SD.

Re: [firebird-support] What is the optimum pageSize?

2019-11-15 Thread jerz...@o2.pl [firebird-support]
But only for FB 2.5, not for FB3! My question was about FB3. Where is info about new versions? > This is very useful info!!! On Fri, Nov 15, 2019 at 5:13 AM Dimitry Sibiryakov s...@ibphoenix.com [firebird-support] wrote: 15.11.2019 11:58, jerz...@o2.pl [firebird-support] wrote: >> What is

Re: [firebird-support] What is the optimum pageSize?

2019-11-15 Thread Clyde Eisenbeis cte...@gmail.com [firebird-support]
This is very useful info!!! On Fri, Nov 15, 2019 at 5:13 AM Dimitry Sibiryakov s...@ibphoenix.com [firebird-support] wrote: > 15.11.2019 11:58, jerz...@o2.pl [firebird-support] wrote: > > What is the max record size in FB3 (in bytes)? > > I search for this information without success. > >

Re: [firebird-support] What is the optimum pageSize?

2019-11-15 Thread Dimitry Sibiryakov s...@ibphoenix.com [firebird-support]
15.11.2019 11:58, jerz...@o2.pl [firebird-support] wrote: > What is the max record size in FB3 (in bytes)? > I search for this information without success. https://firebirdsql.org/en/firebird-technical-specifications/ -- WBR, SD.

Re: [firebird-support] What is the optimum pageSize?

2019-11-15 Thread jerz...@o2.pl [firebird-support]
>> Does each record consume a page, or are could there be multiple records on a >> page? >Multiple records can be on one data page or one record can be split to > several database > pages depending on record's size. What is the max record size in FB3 (in bytes)? I search for this

Re: [firebird-support] What is the optimum pageSize?

2019-11-14 Thread Dimitry Sibiryakov s...@ibphoenix.com [firebird-support]
14.11.2019 23:30, Clyde Eisenbeis cte...@gmail.com [firebird-support] wrote: > What is the max page size for Firebird 3? 16 kilobytes. > Also, could you clarify a page? Quoting

Re: [firebird-support] What is the optimum pageSize?

2019-11-14 Thread Clyde Eisenbeis cte...@gmail.com [firebird-support]
What is the max page size for Firebird 3? Also, could you clarify a page? Does each record consume a page, or are could there be multiple records on a page? ` On Thu, Nov 14, 2019 at 8:09 AM Dimitry Sibiryakov s...@ibphoenix.com [firebird-support] wrote: > 14.11.2019 13:41,

Re: [firebird-support] What is the optimum pageSize?

2019-11-14 Thread Dimitry Sibiryakov s...@ibphoenix.com [firebird-support]
14.11.2019 13:41, cte...@gmail.com [firebird-support] wrote: > Assume I have two fields => "stFixed CHAR(10)" and "stVar VARCHAR(8191) > CHARACTER SET > UTF8" --- what is the optimum pageSize? Optimum page size doesn't depend on data but on application usage. I can repeat once again:

[firebird-support] What is the optimum pageSize?

2019-11-14 Thread cte...@gmail.com [firebird-support]
Assume I have two fields => "stFixed CHAR(10)" and "stVar VARCHAR(8191) CHARACTER SET UTF8" --- what is the optimum pageSize?