Re: MDB v2: Replace meta pages with meta position word

2012-11-16 Thread Howard Chu
Hallvard Breien Furuseth wrote: I wrote: One thing about ACID - IIRC there are some potential data races which my single-word meta info in the header will fix. E.g. if the user does ^Z at an unfortunate time, and with WRITEMAP updating the meta page while a txn is reading it. Reproducible by

Re: MDB v2: Replace meta pages with meta position word

2012-11-16 Thread Hallvard Breien Furuseth
Howard Chu writes: Hallvard Breien Furuseth wrote: I wrote: One thing about ACID - IIRC there are some potential data races which my single-word meta info in the header will fix. E.g. if the user does ^Z at an unfortunate time, and with WRITEMAP updating the meta page while a txn is reading