Alexey Kovyazin schrieb am 21.05.2012 um 15:04 (+0400):

>
> You have hit transaction limit of Firebird.
> To prevent it, make backup/restore more often.

What makes you think so? And why would that make the memory usage
rise to nearly 100% ? Also, the limit is 2**64, that's pretty high.

Re: [ib-support] Transaction number limit? -- Ann Harrison 12.12.02
http://tech.groups.yahoo.com/group/firebird-support/message/19581

Michael

> > Exception class = TDBXError; message = invalid request handle
> > Exception class = TDBXError; message = unable to allocate memory
> > from operating system
> >
> > Any attempt to access from other programs (inc IBExpert) also gave
> > the memory error as sis GFIX and GBAK. System memory did spike to
> > near 100% before they failed.
> >
> > Copying the database to a WinXP machine and trying to open/test
> > using a local IBExpert the memory again gradually increases to the
> > XP address limit.
> >
> > Have successfully restored service from a backup but would like to
> > understand the errors and what might have caused them
> >
> > Firebird 2.1 WI-V2.1.1.17910