Re: [HACKERS] MultiXactID Wrap-Around

2006-07-04 Thread paolo romano
Thank you for the feed-back. In fact the risk seems neglibible, but it means that at least I'm not misunderstanding what that code does...Tom Lane <[EMAIL PROTECTED]> ha scritto: paolo romano <[EMAIL PROTECTED]> writes:> My doubts now concern MultixactID wrap-around management. > Afaics, it is pos

Re: [HACKERS] MultiXactID Wrap-Around

2006-07-03 Thread Tom Lane
paolo romano <[EMAIL PROTECTED]> writes: > My doubts now concern MultixactID wrap-around management. > Afaics, it is possible to spawn multixactids so quickly to have a > wrap-around and to start overwriting the data stored in the offset > slru (but analogous considerations apply to the member slr

Re: [HACKERS] MultiXactID Wrap-Around

2006-07-03 Thread Andrew Dunstan
paolo romano wrote: ops, i did forget to update the e-mail subject, sorry. I am reposting it with an appropriate one. Please do NOT create a post on a new subject by using an MUA's reply mechanism, even if you replace the subject. The MUA will create an in-reply-to header which will be tot

[HACKERS] MultiXactID Wrap-Around

2006-07-03 Thread paolo romano
ops, i did forget to update the e-mail subject, sorry. I am reposting it with an appropriate one. I'm keeping on studying multixact.c and log management, and I hope you can help me, as usual, in clearing my doubts.My d