Re: Deadlock condition in current sources
Vadim Mikheev <vmikheev@sectorbase.com>
From: "Mikheev, Vadim" <vmikheev@SECTORBASE.COM>
To: "'Tom Lane'" <tgl@sss.pgh.pa.us>
Cc: pgsql-hackers@postgresql.org
Date: 2001-12-18T19:11:55Z
Lists: pgsql-hackers
> > Checkpoint' undo is not used currently so just comment out > > GetUndoRecPtr call in CreateCheckPoint - we'll find solution later. > > I thought about that, but figured you'd object ;-) > > One possibility is to do something you had recommended awhile back for > other reasons: add a spinlock to each PROC structure and use the > spinlock, rather than SInvalLock, to protect setting and reading of > xmin, logRec, and related fields. I haven't finished working out all > the details, though, and this seems like a rather large change to make > at this late stage of beta. Comments? Sure - *comment* out GetUndoRecPtr -:) Vadim