Re: [Firebird-devel] isc_dpb_dbkey_scope

2022-05-26 Thread Pól Ua L . via Firebird-devel
Hi Jim, great to see that you're still keeping your finger in the Firebird pie! > There is a very good reason that multi-version concurrency control won > out big time (Wikipedia lists 80+ database systems with MVCC). > Interbase was the second. Just as a matter of historical interest, which w

Re: [Firebird-devel] isc_dpb_dbkey_scope

2022-05-26 Thread Molnár Attila
https://en.wikipedia.org/wiki/Multiversion_concurrency_control#History -Eredeti üzenet- Feladó: Pól Ua L. via Firebird-devel [mailto:firebird-devel@lists.sourceforge.net] Küldve: 2022. május 26., csütörtök 9:11 Címzett: For discussion among Firebird Developers Másolatot kap: Pól Ua L.

Re: [Firebird-devel] Operating system call pthread_mutex_lock failed. Error code 22 #Fb 4.0.1 #Centos 7

2022-05-26 Thread Alex Peshkoff via Firebird-devel
On 5/25/22 17:43, Lucas Schatz wrote: Sorry, just to clarify: server Fb4.0.1, remote client Fb 3.0+PHP7.3 Anyway I'll send you the links as soon as possible. I've made a close look at that dump. Unfortunately I could not find something very useful in it. I.e. it's more or less clear at what

Re: [Firebird-devel] isc_dpb_dbkey_scope

2022-05-26 Thread Jim Starkey
The first MVCC database was Rdb/ELN, also known as JRD, that ran on VMS and VAX/Eln (Dave Cutler's first post-VMS operation system). I had been working on an open ended advanced development project after shipping VAX Datatrieve.  The biggest problem I had with VAX Datatrieve was when running a

Re: [Firebird-devel] Operating system call pthread_mutex_lock failed. Error code 22 #Fb 4.0.1 #Centos 7

2022-05-26 Thread Lucas Schatz
Hello, I moved the database to another server with Fb4.0.0 for some days, and "fortunately" today crashed too So, if you can send me the tar.gz I'll install with no problem Any additional risk of losing data? Thanks! On Thu, May 26, 2022 at 1:40 PM Alex Peshkoff via Firebird-devel < firebird-devel