Re: [HACKERS] Documenting pglesslog

2009-01-14 Thread Bruce Momjian
Koichi Suzuki wrote: Pg_readahead is a tool to prefetch data pages before redoing, based on the contents of archive/active WAL segment. For 8.3 and 8.4 without sync.rep, this works together with restore_command. Pg_readahead analyze WAL segment, schedule and issue posix_fadvise() to

Re: [HACKERS] Documenting pglesslog

2009-01-14 Thread Koichi Suzuki
Pg_readahead uses posix_fadvise, which is included in Greg's patch and I've already posted pg_readahead patch integrated into the core. Integration with snc.rep. will be a separate patch which will be posted in a couple of days. 2009/1/14 Bruce Momjian br...@momjian.us: Koichi Suzuki wrote:

Re: [HACKERS] Documenting pglesslog

2009-01-13 Thread Simon Riggs
On Tue, 2009-01-13 at 13:21 +0900, Koichi Suzuki wrote: I have no intention to make pglesslog to conflict to PostgreSQL license. Any advice is welcome to make pglesslog available without any license concern. I understand, no part of my comments were against you or your work. I've a

Re: [HACKERS] Documenting pglesslog

2009-01-13 Thread Bruce Momjian
Koichi Suzuki wrote: Hi, I have no intention to make pglesslog to conflict to PostgreSQL license. Any advice is welcome to make pglesslog available without any license concern. I certainly have no concerns. I've a question and ideas. Bruce's modification directly points to my

Re: [HACKERS] Documenting pglesslog

2009-01-13 Thread Koichi Suzuki
Pg_readahead is a tool to prefetch data pages before redoing, based on the contents of archive/active WAL segment. For 8.3 and 8.4 without sync.rep, this works together with restore_command. Pg_readahead analyze WAL segment, schedule and issue posix_fadvise() to prefetch data pages quickly

Re: [HACKERS] Documenting pglesslog

2009-01-12 Thread Bruce Momjian
Bruce Momjian wrote: In thinking about how to communicate to users about reducing continuous archiving storage requirements, I realized we don't mention pglesslog in our official documentation. The attached patch documents how to use pglesslog and gzip/gunzip to reduce storage requirements.

Re: [HACKERS] Documenting pglesslog

2009-01-12 Thread Koichi Suzuki
Hi, I have no intention to make pglesslog to conflict to PostgreSQL license. Any advice is welcome to make pglesslog available without any license concern. I've a question and ideas. Bruce's modification directly points to my pgfoundry page. I'm not sure what it means. Does it mean that I

Re: [HACKERS] Documenting pglesslog

2009-01-11 Thread Simon Riggs
On Sat, 2009-01-10 at 23:38 -0500, Bruce Momjian wrote: It is BSD licensed. I don't see any copyright issues: http://pglesslog.projects.postgresql.org/ A licence and copyright are different things. Why do we insist on changing copyright on our code if it is unimportant? -- Simon

Re: [HACKERS] Documenting pglesslog

2009-01-11 Thread Joshua D. Drake
On Sun, 2009-01-11 at 03:12 +, Simon Riggs wrote: On Sat, 2009-01-10 at 21:09 -0500, Bruce Momjian wrote: Comments? If this is for backpatching, it makes sense. We should at least wait until sync rep is accepted or rejected and docs written. Why? Even if sync rep is accepted,

Re: [HACKERS] Documenting pglesslog

2009-01-11 Thread Bruce Momjian
Simon Riggs wrote: On Sat, 2009-01-10 at 23:38 -0500, Bruce Momjian wrote: It is BSD licensed. I don't see any copyright issues: http://pglesslog.projects.postgresql.org/ A licence and copyright are different things. Why do we insist on changing copyright on our code if it is

Re: [HACKERS] Documenting pglesslog

2009-01-11 Thread Simon Riggs
On Sun, 2009-01-11 at 09:47 -0500, Bruce Momjian wrote: Simon Riggs wrote: On Sat, 2009-01-10 at 23:38 -0500, Bruce Momjian wrote: It is BSD licensed. I don't see any copyright issues: A licence and copyright are different things. Why do we insist on changing copyright on our

Re: [HACKERS] Documenting pglesslog

2009-01-11 Thread Robert Haas
In general, IMHO, I don't think it's a good direction to go in to include links to works of other copyright holders. I think it's a great idea. IMHO, one of the major selling points of PostgreSQL is its awesome documentation. However, one of its weaknesses is that contrib module, pgfoundry

[HACKERS] Documenting pglesslog

2009-01-10 Thread Bruce Momjian
In thinking about how to communicate to users about reducing continuous archiving storage requirements, I realized we don't mention pglesslog in our official documentation. The attached patch documents how to use pglesslog and gzip/gunzip to reduce storage requirements. Comments? Also, I assume

Re: [HACKERS] Documenting pglesslog

2009-01-10 Thread Simon Riggs
On Sat, 2009-01-10 at 21:09 -0500, Bruce Momjian wrote: Comments? If this is for backpatching, it makes sense. We should at least wait until sync rep is accepted or rejected and docs written. In general I don't think we should refer/link to other companies' copyrighted materials in our

Re: [HACKERS] Documenting pglesslog

2009-01-10 Thread Bruce Momjian
Simon Riggs wrote: On Sat, 2009-01-10 at 21:09 -0500, Bruce Momjian wrote: Comments? If this is for backpatching, it makes sense. We should at least wait until sync rep is accepted or rejected and docs written. No, it is not for backpatching. In general I don't think we should