Hello,
This is probably better suited for something not on pgsql-advocacy. I
will respond offlist.
Sincerely,
Joshua D. Drake
Enrico Weigelt wrote:
> * Joshua D. Drake <jd@commandprompt.com> wrote:
>
> <snip>
>
>>There is only one production and shipping replication that does not
>>require triggers that I know of and that is ours (Command Prompt).
>>It is also not a userland app but actually part of the PostgreSQL engine.
>
> Ah. Has pgsql to be patched for that or can it be simply dropped-in
> like external (C) functions/procedures ?
>
> What about lazy replication (i.e. when some node is running but not
> online for a while), masterless replication (all nodes are equal)
> or journaling ?
> My application/framework-level solves this, but
> a) requires some special table layout (first attrs have to be inode+mtime),
> b) not suited for high update-rates (relly too slow for that)
> but it is already working quite stable for several years :)
>
> <snip>
>
>>Each solution has pro's and cons. Slony-I for example appears to be
>>better when doing mass updates or deletes than Replicator.
>
> yeah, on subsequent mass-updates on just one host per table at certain time,
> my stuff is also good, since it works w/ batching. but when multiple hosts
> do heavy updates on the same table, it may run into conflicts.
>
> <snip>
>
>>On the argument of significant features for 7.5:
>>
>>Win32 Native
>>PITR
>
> Stupid question: whats PITR ?
>
>>Nested Transactions
>>Background Writer....
>
> Background-Write = write-behind ?
>
> BTW: how stable is the current pgsql against powerfails or kill -9 ?
>
>
> cu
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