Thread: Re: [HACKERS] The pgreplication project
> I guess I have to address a slightly broader audience, or do I conclude > from the total lack of interest in this matter that nobody cares if we > promote something here as one of our "top five" flagship projects, that > is inactive for years and still a prototype implementation against > PostgreSQL 6.4 with no ideas how to incorporate the semantic changes of > MVCC into the concept. Jan, Perhaps you should contact the project admin or at least posting to the project mailing list, before assuming the project is dead. Admittedly there has been several delays and periods of inactivity, but declaring a project dead without investigating is quite inappropriate. I agree the project should not be in the top 5 on gborg, but it is not dead! There is a 7.2 port of the original 6.4 prototype, along with failover and recovery patches. There is a plan to produce a full mulit-master replication solution, but I don't currently have the time to commit to the project. If there is interest in this type of solution, I'd be happy to assist in the development. I've known you for a while, and have a great deal of respect for you, but I would have expected some kind of communication with me before this. Darren
On 6/8/2004 9:58 AM, darren@up.hrcoxmail.com wrote: >> I guess I have to address a slightly broader audience, or do I conclude >> from the total lack of interest in this matter that nobody cares if we >> promote something here as one of our "top five" flagship projects, that >> is inactive for years and still a prototype implementation against >> PostgreSQL 6.4 with no ideas how to incorporate the semantic changes of >> MVCC into the concept. > > > Jan, > > Perhaps you should contact the project admin or at least > posting to the project mailing list, before assuming the > project is dead. Admittedly there has been several > delays and periods of inactivity, but declaring a > project dead without investigating is quite > inappropriate. I apologize and admit that it should have been posted to the project mailing list. > > I agree the project should not be in the top 5 on > gborg, but it is not dead! There is a 7.2 port > of the original 6.4 prototype, along with failover > and recovery patches. There is a plan to produce > a full mulit-master replication solution, but I don't > currently have the time to commit to the project. If > there is interest in this type of solution, I'd be > happy to assist in the development. Do those plans include fixing the problems arising from the complete reversal of lock priorities with aborting previous lock holders? I have stated before and do it again that this part of the Postgres-R logic is assuming a more or less lock conflict free application design, which is in practice seldom (if ever) found. > > I've known you for a while, and have a great > deal of respect for you, but I would have > expected some kind of communication with me > before this. I fully return the same respect to you. I was not aware that you are still feeling "in charge" of this project. Sincerely, Jan -- #======================================================================# # It's easier to get forgiveness for being wrong than for being right. # # Let's break this rule - forgive me. # #================================================== JanWieck@Yahoo.com #
Jan Wieck wrote: > On 6/8/2004 9:58 AM, darren@up.hrcoxmail.com wrote: > > >> I guess I have to address a slightly broader audience, or do I conclude > >> from the total lack of interest in this matter that nobody cares if we > >> promote something here as one of our "top five" flagship projects, that > >> is inactive for years and still a prototype implementation against > >> PostgreSQL 6.4 with no ideas how to incorporate the semantic changes of > >> MVCC into the concept. > > > > > > Jan, > > > > Perhaps you should contact the project admin or at least > > posting to the project mailing list, before assuming the > > project is dead. Admittedly there has been several > > delays and periods of inactivity, but declaring a > > project dead without investigating is quite > > inappropriate. > > I apologize and admit that it should have been posted to the project > mailing list. I assumed the top-5 projects are dynamic based on the amount of activity, not hardcoded as they seem to be. -- Bruce Momjian | http://candle.pha.pa.us pgman@candle.pha.pa.us | (610) 359-1001 + If your life is a hard drive, | 13 Roberts Road + Christ can be your backup. | Newtown Square, Pennsylvania 19073
On 6/8/2004 11:04 AM, Bruce Momjian wrote: > Jan Wieck wrote: >> On 6/8/2004 9:58 AM, darren@up.hrcoxmail.com wrote: >> >> >> I guess I have to address a slightly broader audience, or do I conclude >> >> from the total lack of interest in this matter that nobody cares if we >> >> promote something here as one of our "top five" flagship projects, that >> >> is inactive for years and still a prototype implementation against >> >> PostgreSQL 6.4 with no ideas how to incorporate the semantic changes of >> >> MVCC into the concept. >> > >> > >> > Jan, >> > >> > Perhaps you should contact the project admin or at least >> > posting to the project mailing list, before assuming the >> > project is dead. Admittedly there has been several >> > delays and periods of inactivity, but declaring a >> > project dead without investigating is quite >> > inappropriate. >> >> I apologize and admit that it should have been posted to the project >> mailing list. > > I assumed the top-5 projects are dynamic based on the amount of > activity, not hardcoded as they seem to be. > Looking at "orapgsqlviews", which had the last CVS commit 3 years ago and is still clinging to its top-5 position, I don't think so. Chris? Jan -- #======================================================================# # It's easier to get forgiveness for being wrong than for being right. # # Let's break this rule - forgive me. # #================================================== JanWieck@Yahoo.com #
Jan,
The Top projects list is a dynamic list based on a cumulative page
views. Occassionally the ranking is scalled or zero'd to give newer
projects a chance to compete for the top rankings with older more
established projects. This last occurred a few months ago.
Hope this answers your question.
Chris Ryan
--- Jan Wieck <JanWieck@Yahoo.com> wrote:
> On 6/8/2004 11:04 AM, Bruce Momjian wrote:
>
> > Jan Wieck wrote:
> >> On 6/8/2004 9:58 AM, darren@up.hrcoxmail.com wrote:
> >>
> >> >> I guess I have to address a slightly broader audience, or do I
> conclude
> >> >> from the total lack of interest in this matter that nobody
> cares if we
> >> >> promote something here as one of our "top five" flagship
> projects, that
> >> >> is inactive for years and still a prototype implementation
> against
> >> >> PostgreSQL 6.4 with no ideas how to incorporate the semantic
> changes of
> >> >> MVCC into the concept.
> >> >
> >> >
> >> > Jan,
> >> >
> >> > Perhaps you should contact the project admin or at least
> >> > posting to the project mailing list, before assuming the
> >> > project is dead. Admittedly there has been several
> >> > delays and periods of inactivity, but declaring a
> >> > project dead without investigating is quite
> >> > inappropriate.
> >>
> >> I apologize and admit that it should have been posted to the
> project
> >> mailing list.
> >
> > I assumed the top-5 projects are dynamic based on the amount of
> > activity, not hardcoded as they seem to be.
> >
>
> Looking at "orapgsqlviews", which had the last CVS commit 3 years ago
>
> and is still clinging to its top-5 position, I don't think so. Chris?
>
>
> Jan
>
> --
>
#======================================================================#
> # It's easier to get forgiveness for being wrong than for being
> right. #
> # Let's break this rule - forgive me.
> #
> #==================================================
> JanWieck@Yahoo.com #
>
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Cumulative page views number is a wrong parameter for selecting the top projects list IMHO. May be the number of downloads? Regards, Mikhail Terekhov Chris Ryan wrote: >Jan, > > The Top projects list is a dynamic list based on a cumulative page >views. Occassionally the ranking is scalled or zero'd to give newer >projects a chance to compete for the top rankings with older more >established projects. This last occurred a few months ago. > > Hope this answers your question. > >Chris Ryan >