firebird-support - Google Groups

Contact owners and managers

1–30 of 1782

This group is for discussion about developing for and using Firebird, and for helping each other with questions about Firebird.

You can also subscribe by sending a message to firebird-support+subscribe@googlegroups.com

Questions about snapshot and beta versions of Firebird are off-topic and should be posted to the firebird-devel mailing list.

New Members: New members are moderated to prevent spam. Please be patient after posting, your message may not show up right away.

Further information can be found here:

Website: https://firebirdsql.org/

Documentation: https://firebirdsql.org/en/firebird-rdbms/

Issue Tracker: https://github.com/FirebirdSQL/firebird/issues

0 selected

Doug Chamberlin, … Arno Brinkman5

5/4/20

Announcement

Please give yourself a proper name in this group!

Only when accepted you can edit your display name

unread,

Announcement

Please give yourself a proper name in this group!

Only when accepted you can edit your display name

5/4/20

Strakapoud, … Mark Rotteveel4

Jul 20

How does DummyPacketInterval work?

When I test KeepAlive used by OS than it works, ie when the connection between fb server and client

unread,

How does DummyPacketInterval work?

When I test KeepAlive used by OS than it works, ie when the connection between fb server and client

Jul 20

Hamish Moffatt, … Dmitry Yemanov24

Jul 16

Windows vs Linux performance on bulk inserts

On 13/7/26 16:51, 'Mark Rotteveel' via firebird-support wrote: > > That sounds like a

unread,

Windows vs Linux performance on bulk inserts

On 13/7/26 16:51, 'Mark Rotteveel' via firebird-support wrote: > > That sounds like a

Jul 16

Alexander Liberov, Vlad Khorsun5

Jul 14

fbclient.dll bug: Stack Overflow while connecting XNET + Windows OS Authentication + Pipe impersonation

Just filed an issue. Sorry for delay. On Monday, July 13, 2026 at 2:17:36 AM UTC-5 fbv...@gmail.com

unread,

fbclient.dll bug: Stack Overflow while connecting XNET + Windows OS Authentication + Pipe impersonation

Just filed an issue. Sorry for delay. On Monday, July 13, 2026 at 2:17:36 AM UTC-5 fbv...@gmail.com

Jul 14

mehmet K.

Jul 10

Firebird Monitor application needs analysis.

Hello, I'm developing a detailed Realtime Firebird application. Because it supports web APIs, you

unread,

Firebird Monitor application needs analysis.

Hello, I'm developing a detailed Realtime Firebird application. Because it supports web APIs, you

Jul 10

Dimitry Sibiryakov, Сергей Волков5

Jul 10

Sample of replication journal from big-endian architecture

Сергей Волков wrote 10.07.2026 6:24: > There is an example in the attached file. Thanks. -- WBR,

unread,

Sample of replication journal from big-endian architecture

Сергей Волков wrote 10.07.2026 6:24: > There is an example in the attached file. Thanks. -- WBR,

Jul 10

Florian Hector, … Dimitry Sibiryakov18

Jul 8

FB replication creates lots of files

Florian Hector wrote 08.07.2026 21:59: > how can you tell? I picked up several dumps of old value/

unread,

FB replication creates lots of files

Florian Hector wrote 08.07.2026 21:59: > how can you tell? I picked up several dumps of old value/

Jul 8

Luciano Rodrigues Nunes Mendes, … Hamish Moffatt5

Jul 6

Firebird 5 in the Debian 13

Em dom., 5 de jul. de 2026 às 23:02, 'Hamish Moffatt' via firebird-support <firebird-

unread,

Firebird 5 in the Debian 13

Em dom., 5 de jul. de 2026 às 23:02, 'Hamish Moffatt' via firebird-support <firebird-

Jul 6

Luigi Siciliano, Tomasz Tyrakowski5

Jul 3

Help for queries with different results, but I will the same

Il 02/07/2026 22:20, Tomasz Tyrakowski ha scritto: > On 2.07.2026 at 16:33, Luigi Siciliano wrote:

unread,

Help for queries with different results, but I will the same

Il 02/07/2026 22:20, Tomasz Tyrakowski ha scritto: > On 2.07.2026 at 16:33, Luigi Siciliano wrote:

Jul 3

Luciano Rodrigues Nunes Mendes, Dimitry Sibiryakov3

Jul 2

Question about DefaultDbCachePages

Thank you very much for the quick response and the clarifications, Dimitry! Best Regards, Luciano Em

unread,

Question about DefaultDbCachePages

Thank you very much for the quick response and the clarifications, Dimitry! Best Regards, Luciano Em

Jul 2

Attila Bolvári, … Dimitry Sibiryakov7

Jul 2

Firebird palo alto problem

Attila Bolvári wrote 02.07.2026 14:12: > I see that on the firewall the packet is got insufficient

unread,

Firebird palo alto problem

Attila Bolvári wrote 02.07.2026 14:12: > I see that on the firewall the packet is got insufficient

Jul 2

Tomasz Dubiel, Dimitry Sibiryakov3

Jun 29

One TempDirectories settings for 2 or more Firebird servers

Thanks. poniedziałek, 29 czerwca 2026 o 12:32:23 UTC+2 sd napisał(a): Tomasz Dubiel wrote 29.06.2026

unread,

One TempDirectories settings for 2 or more Firebird servers

Thanks. poniedziałek, 29 czerwca 2026 o 12:32:23 UTC+2 sd napisał(a): Tomasz Dubiel wrote 29.06.2026

Jun 29

Chimney Clean Company, Alexey Kovyazin2

Jun 28

stuck delta file

Hello Dennis, Please check your inbox or spam folder for the answer of IBSurgeon Support. Regards,

unread,

stuck delta file

Hello Dennis, Please check your inbox or spam folder for the answer of IBSurgeon Support. Regards,

Jun 28

Tomasz Dubiel, … Mark Rotteveel11

Jun 22

14 GB less in database size after migrating from FB 3.0 to FB 5.0

On 22-06-2026 14:18, Tomasz Dubiel wrote: > It's about the column: > COROBIONO T_MAXSTRING

unread,

14 GB less in database size after migrating from FB 3.0 to FB 5.0

On 22-06-2026 14:18, Tomasz Dubiel wrote: > It's about the column: > COROBIONO T_MAXSTRING

Jun 22

Florian Hector, Pieter Bas Hofstede2

Jun 11

FB replication creates lots of files, more info

You could try to start a trace session and look for the updates and check if the writes are near the

unread,

FB replication creates lots of files, more info

You could try to start a trace session and look for the updates and check if the writes are near the

Jun 11

Ken Sng, … Dimitry Sibiryakov21

Jun 10

lost my SYSDBA password , need help to access firebird 3.0 databases

typo on my end. main.fdb is what it says On Wednesday, June 10, 2026 at 3:14:17 PM UTC+8 sd wrote:

unread,

lost my SYSDBA password , need help to access firebird 3.0 databases

typo on my end. main.fdb is what it says On Wednesday, June 10, 2026 at 3:14:17 PM UTC+8 sd wrote:

Jun 10

Luciano Rodrigues Nunes Mendes, Mark Rotteveel3

Jun 7

About TempCacheLimit Configuration

Thank you very much for your quick reply, Mark! Now it makes sense why the Firebird process is

unread,

About TempCacheLimit Configuration

Thank you very much for your quick reply, Mark! Now it makes sense why the Firebird process is

Jun 7

ryousuke hayami, … Mark Rotteveel8

Jun 5

How to unlock nbackup lock without reverting the database

Hi, > nbackup -u SYSDBA -p <pass> -un <database> Even though it kept throwing errors

unread,

How to unlock nbackup lock without reverting the database

Hi, > nbackup -u SYSDBA -p <pass> -un <database> Even though it kept throwing errors

Jun 5

Tommi Prami, … Alexey Kovyazin4

Jun 4

Which Firebird.conf settings has most effect on Backup (or restore) speed?

Hello, DefaultDbCachePages and TempCacheLimit are the most important. Take a look https://ib-aid.com/

unread,

Which Firebird.conf settings has most effect on Backup (or restore) speed?

Hello, DefaultDbCachePages and TempCacheLimit are the most important. Take a look https://ib-aid.com/

Jun 4

Tomasz Dubiel, … Mark Rotteveel15

May 19

Performance problem - gfix reports no error, index selectivities up to date, sweep performed

So, there is not always a way to fix a perfomance problem in other way than backup restore and we

unread,

Performance problem - gfix reports no error, index selectivities up to date, sweep performed

So, there is not always a way to fix a perfomance problem in other way than backup restore and we

May 19

gusedum, … Dimitry Sibiryakov30

May 17

Performance issue with IB_SQL

I opened the 2013 version of IB_SQL.exe and found the "Manifest" folder in the left-hand

unread,

Performance issue with IB_SQL

I opened the 2013 version of IB_SQL.exe and found the "Manifest" folder in the left-hand

May 17

Tomasz Dubiel, … Svein Erling Tysvær5

May 15

Question

It removes duplicates. It behaves like with only one condition.

unread,

Question

It removes duplicates. It behaves like with only one condition.

May 15

Boon Haw Sim, Mark Rotteveel2

May 14

CVE-2026-40342

On 14-05-2026 13:19, Boon Haw Sim wrote: > Does this CVE applies to Firebird V2.5 series? No,

unread,

CVE-2026-40342

On 14-05-2026 13:19, Boon Haw Sim wrote: > Does this CVE applies to Firebird V2.5 series? No,

May 14

Florian Hector, … Mark Rotteveel4

May 7

Connecting to FB4/5 with old fbclient

Hi Dimitry and Mark, finally with your help it works. The error with the not recognized user came up

unread,

Connecting to FB4/5 with old fbclient

Hi Dimitry and Mark, finally with your help it works. The error with the not recognized user came up

May 7

Tim Crawford, … Dimitry Sibiryakov9

Apr 30

CVE-2026-40342

'Mark Rotteveel' via firebird-support wrote 30.04.2026 9:58: > Using a custom Windows

unread,

CVE-2026-40342

'Mark Rotteveel' via firebird-support wrote 30.04.2026 9:58: > Using a custom Windows

Apr 30

Marcel Zawadzki, Dimitry Sibiryakov5

Apr 30

Record has bad transaction

Marcel Zawadzki wrote 30.04.2026 8:08: > However, there's no explanation about what this error

unread,

Record has bad transaction

Marcel Zawadzki wrote 30.04.2026 8:08: > However, there's no explanation about what this error

Apr 30

Damon Schultz

Apr 30

Performance of ROW_NUMBER() using Firebird 4.0.6

Hello Firebird Support, I am having performance issues when using ROW_NUMBER() in a LEFT OUTER JOIN.

unread,

Performance of ROW_NUMBER() using Firebird 4.0.6

Hello Firebird Support, I am having performance issues when using ROW_NUMBER() in a LEFT OUTER JOIN.

Apr 30

Florian Hector, Dmitry Yemanov2

Apr 22

Replication for mere mortals

22.04.2026 21:02, Florian Hector wrote: > > I need to make some databases from remote locations

unread,

Replication for mere mortals

22.04.2026 21:02, Florian Hector wrote: > > I need to make some databases from remote locations

Apr 22

Aldo Caruso, Gerdus van Zyl2

Apr 18

Performance impact of converting Integer to Smallint for low-cardinality fields

Having done something similar I found the difference in performance very small. So I would not

unread,

Performance impact of converting Integer to Smallint for low-cardinality fields

Having done something similar I found the difference in performance very small. So I would not

Apr 18

Strakapoud, Dmitry Yemanov2

Apr 16

Batch interface and trace log

16.04.2026 04:13, Strakapoud wrote: > When I insert data into table using batch interface, I do

unread,

Batch interface and trace log

16.04.2026 04:13, Strakapoud wrote: > When I insert data into table using batch interface, I do

Apr 16

Strakapoud, … AlexPeshkoff5

Apr 6

Problem with Batch interface

Problem was with Firebird 4. EXECUTE BLOCK does not work (and does not return error) in FB4, but it

unread,

Problem with Batch interface

Problem was with Firebird 4. EXECUTE BLOCK does not work (and does not return error) in FB4, but it

Apr 6