diff options
| author | Bruce Momjian <bruce@momjian.us> | 2000-06-02 03:52:03 +0000 |
|---|---|---|
| committer | Bruce Momjian <bruce@momjian.us> | 2000-06-02 03:52:03 +0000 |
| commit | 60b941f9a400e37a463144cde2ec8a1c2e625d64 (patch) | |
| tree | b9af620cb71a768acd7643e334f306f957f110c9 /doc/TODO.detail/replication | |
| parent | acad203c31cc7d2c80937ff5b65ff8295f71c46c (diff) | |
| download | postgresql-60b941f9a400e37a463144cde2ec8a1c2e625d64.tar.gz | |
Update TODO detail files.
Diffstat (limited to 'doc/TODO.detail/replication')
| -rw-r--r-- | doc/TODO.detail/replication | 566 |
1 files changed, 561 insertions, 5 deletions
diff --git a/doc/TODO.detail/replication b/doc/TODO.detail/replication index 077a90bf09..e98cf2f314 100644 --- a/doc/TODO.detail/replication +++ b/doc/TODO.detail/replication @@ -43,7 +43,7 @@ From owner-pgsql-hackers@hub.org Fri Dec 24 10:01:18 1999 Received: from renoir.op.net (root@renoir.op.net [207.29.195.4]) by candle.pha.pa.us (8.9.0/8.9.0) with ESMTP id LAA11295 for <pgman@candle.pha.pa.us>; Fri, 24 Dec 1999 11:01:17 -0500 (EST) -Received: from hub.org (hub.org [216.126.84.1]) by renoir.op.net (o1/$Revision: 1.2 $) with ESMTP id KAA20310 for <pgman@candle.pha.pa.us>; Fri, 24 Dec 1999 10:39:18 -0500 (EST) +Received: from hub.org (hub.org [216.126.84.1]) by renoir.op.net (o1/$Revision: 1.3 $) with ESMTP id KAA20310 for <pgman@candle.pha.pa.us>; Fri, 24 Dec 1999 10:39:18 -0500 (EST) Received: from localhost (majordom@localhost) by hub.org (8.9.3/8.9.3) with SMTP id KAA61760; Fri, 24 Dec 1999 10:31:13 -0500 (EST) @@ -129,7 +129,7 @@ From owner-pgsql-hackers@hub.org Fri Dec 24 18:31:03 1999 Received: from renoir.op.net (root@renoir.op.net [207.29.195.4]) by candle.pha.pa.us (8.9.0/8.9.0) with ESMTP id TAA26244 for <pgman@candle.pha.pa.us>; Fri, 24 Dec 1999 19:31:02 -0500 (EST) -Received: from hub.org (hub.org [216.126.84.1]) by renoir.op.net (o1/$Revision: 1.2 $) with ESMTP id TAA12730 for <pgman@candle.pha.pa.us>; Fri, 24 Dec 1999 19:30:05 -0500 (EST) +Received: from hub.org (hub.org [216.126.84.1]) by renoir.op.net (o1/$Revision: 1.3 $) with ESMTP id TAA12730 for <pgman@candle.pha.pa.us>; Fri, 24 Dec 1999 19:30:05 -0500 (EST) Received: from localhost (majordom@localhost) by hub.org (8.9.3/8.9.3) with SMTP id TAA57851; Fri, 24 Dec 1999 19:23:31 -0500 (EST) @@ -212,7 +212,7 @@ From owner-pgsql-hackers@hub.org Fri Dec 24 21:31:10 1999 Received: from renoir.op.net (root@renoir.op.net [207.29.195.4]) by candle.pha.pa.us (8.9.0/8.9.0) with ESMTP id WAA02578 for <pgman@candle.pha.pa.us>; Fri, 24 Dec 1999 22:31:09 -0500 (EST) -Received: from hub.org (hub.org [216.126.84.1]) by renoir.op.net (o1/$Revision: 1.2 $) with ESMTP id WAA16641 for <pgman@candle.pha.pa.us>; Fri, 24 Dec 1999 22:18:56 -0500 (EST) +Received: from hub.org (hub.org [216.126.84.1]) by renoir.op.net (o1/$Revision: 1.3 $) with ESMTP id WAA16641 for <pgman@candle.pha.pa.us>; Fri, 24 Dec 1999 22:18:56 -0500 (EST) Received: from localhost (majordom@localhost) by hub.org (8.9.3/8.9.3) with SMTP id WAA89135; Fri, 24 Dec 1999 22:11:12 -0500 (EST) @@ -486,7 +486,7 @@ From owner-pgsql-hackers@hub.org Sun Dec 26 08:31:09 1999 Received: from renoir.op.net (root@renoir.op.net [207.29.195.4]) by candle.pha.pa.us (8.9.0/8.9.0) with ESMTP id JAA17976 for <pgman@candle.pha.pa.us>; Sun, 26 Dec 1999 09:31:07 -0500 (EST) -Received: from hub.org (hub.org [216.126.84.1]) by renoir.op.net (o1/$Revision: 1.2 $) with ESMTP id JAA23337 for <pgman@candle.pha.pa.us>; Sun, 26 Dec 1999 09:28:36 -0500 (EST) +Received: from hub.org (hub.org [216.126.84.1]) by renoir.op.net (o1/$Revision: 1.3 $) with ESMTP id JAA23337 for <pgman@candle.pha.pa.us>; Sun, 26 Dec 1999 09:28:36 -0500 (EST) Received: from localhost (majordom@localhost) by hub.org (8.9.3/8.9.3) with SMTP id JAA90738; Sun, 26 Dec 1999 09:21:58 -0500 (EST) @@ -909,7 +909,7 @@ From owner-pgsql-hackers@hub.org Thu Dec 30 08:01:09 1999 Received: from renoir.op.net (root@renoir.op.net [207.29.195.4]) by candle.pha.pa.us (8.9.0/8.9.0) with ESMTP id JAA10317 for <pgman@candle.pha.pa.us>; Thu, 30 Dec 1999 09:01:08 -0500 (EST) -Received: from hub.org (hub.org [216.126.84.1]) by renoir.op.net (o1/$Revision: 1.2 $) with ESMTP id IAA02365 for <pgman@candle.pha.pa.us>; Thu, 30 Dec 1999 08:37:10 -0500 (EST) +Received: from hub.org (hub.org [216.126.84.1]) by renoir.op.net (o1/$Revision: 1.3 $) with ESMTP id IAA02365 for <pgman@candle.pha.pa.us>; Thu, 30 Dec 1999 08:37:10 -0500 (EST) Received: from localhost (majordom@localhost) by hub.org (8.9.3/8.9.3) with SMTP id IAA87902; Thu, 30 Dec 1999 08:34:22 -0500 (EST) @@ -1002,3 +1002,559 @@ Duane ************ +From owner-pgsql-patches@hub.org Sun Jan 2 23:01:38 2000 +Received: from renoir.op.net (root@renoir.op.net [207.29.195.4]) + by candle.pha.pa.us (8.9.0/8.9.0) with ESMTP id AAA16274 + for <pgman@candle.pha.pa.us>; Mon, 3 Jan 2000 00:01:28 -0500 (EST) +Received: from hub.org (hub.org [216.126.84.1]) by renoir.op.net (o1/$Revision: 1.3 $) with ESMTP id XAA02655 for <pgman@candle.pha.pa.us>; Sun, 2 Jan 2000 23:45:55 -0500 (EST) +Received: from hub.org (hub.org [216.126.84.1]) + by hub.org (8.9.3/8.9.3) with ESMTP id XAA13828; + Sun, 2 Jan 2000 23:40:47 -0500 (EST) + (envelope-from owner-pgsql-patches@hub.org) +Received: by hub.org (TLB v0.10a (1.23 tibbs 1997/01/09 00:29:32)); Sun, 02 Jan 2000 23:38:34 +0000 (EST) +Received: (from majordom@localhost) + by hub.org (8.9.3/8.9.3) id XAA13624 + for pgsql-patches-outgoing; Sun, 2 Jan 2000 23:37:36 -0500 (EST) + (envelope-from owner-pgsql-patches@postgreSQL.org) +Received: from falla.videotron.net (falla.videotron.net [205.151.222.106]) + by hub.org (8.9.3/8.9.3) with ESMTP id XAA13560 + for <pgsql-patches@postgresql.org>; Sun, 2 Jan 2000 23:37:02 -0500 (EST) + (envelope-from P.Marchesso@Videotron.ca) +Received: from Videotron.ca ([207.253.210.234]) + by falla.videotron.net (Sun Internet Mail Server sims.3.5.1999.07.30.00.05.p8) + with ESMTP id <0FNQ000TEST8VI@falla.videotron.net> for pgsql-patches@postgresql.org; Sun, + 2 Jan 2000 23:37:01 -0500 (EST) +Date: Sun, 02 Jan 2000 23:39:23 -0500 +From: Philippe Marchesseault <P.Marchesso@Videotron.ca> +Subject: [PATCHES] Distributed PostgreSQL! +To: pgsql-patches@postgreSQL.org +Message-id: <387027FB.EB88D757@Videotron.ca> +MIME-version: 1.0 +X-Mailer: Mozilla 4.51 [en] (X11; I; Linux 2.2.11 i586) +Content-type: MULTIPART/MIXED; BOUNDARY="Boundary_(ID_GeYGc69fE1/bkYLTPwOGFg)" +X-Accept-Language: en +Sender: owner-pgsql-patches@postgreSQL.org +Precedence: bulk +Status: ORr + +This is a multi-part message in MIME format. + +--Boundary_(ID_GeYGc69fE1/bkYLTPwOGFg) +Content-type: text/plain; charset=us-ascii +Content-transfer-encoding: 7bit + +Hi all! + +Here is a small patch to make postgres a distributed database. By +distributed I mean that you can have the same copy of the database on N +different machines and keep them all in sync. +It does not improve performances unless you distribute your clients in a +sensible manner. It does not allow you to do parallel selects. + +The support page is : pages.infinit.net/daemon and soon to be in +english. + +The patch was tested with RedHat Linux 6.0 on Intel with kernel 2.2.11. +Only two machines where used so i'm not competely sure that it works +with more than two. -But it should- + +I would like to know if somebody else is interested in this otherwise +i'm probably not gonna keep it growing. So please reply me to my e-mail +(P.Marchesso@videotron.ca) to give me an idea of the amount of people +interested in this. + +Thanks all. + +Philippe Marchesseault + +-- +It's not the size of the dog in the fight, +but the size of the fight in the dog. + -Archie Griffen + + + +--Boundary_(ID_GeYGc69fE1/bkYLTPwOGFg) +Content-type: application/octet-stream; name=replicator-0.1.tgz +Content-disposition: attachment; filename=replicator-0.1.tgz +Content-transfer-encoding: base64 + +H4sIAOeZbzgAA+w8a3PayLL7Nara/9Dx3iRAME/brO11tjDGDjc2OIBvTm5OihLSAFoLiUgi +LGfX//12z0MaAX7UOU72nLpW7cagmenp6enp9xCwmetYZuQHxR++1QM7pVq5DD8AQG2vxv+W +d3b4X/mUsKVUrdbKO7XKLrZWdkqVH2D3m2GkPfMwMgOAH2Z+GI0DFt7ejwW3Nv7nPkGy/xfm +NRs5Lnv0Ocql0l6pdOv+l8u1XbH/e7W90m6NWsu7pR+g9OiYbHj+n+9/q904vzppwhFst6A4 +D4NiGFjF2Tj84vJPjme5c5vFra5vma5sl21FwzBdFw7AGwb+NQtgKv8mvAXYZWw6HnayXGZ6 +d3cVXQ7AeBZMYXukOquv0/TXZKhhGLJrjEvBAvlhYjwbW5b2/r8ycu1Z2B6P7SFs+8lMYRQ4 +s/irodA8UJOvwZ3eCXeahqu+GtqyD7SFrEFPNW2aQAO07c6+wPb52m65ztB49pNAQKfZzIys 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(EST) +Received: from localhost (majordom@localhost) + by hub.org (8.9.3/8.9.3) with SMTP id OAA03234; + Mon, 3 Jan 2000 14:39:56 -0500 (EST) + (envelope-from owner-pgsql-hackers) +Received: by hub.org (bulk_mailer v1.5); Mon, 3 Jan 2000 14:39:49 -0500 +Received: (from majordom@localhost) + by hub.org (8.9.3/8.9.3) id OAA03050 + for pgsql-hackers-outgoing; Mon, 3 Jan 2000 14:38:50 -0500 (EST) + (envelope-from owner-pgsql-hackers@postgreSQL.org) +Received: from ara.zf.jcu.cz (zakkr@ara.zf.jcu.cz [160.217.161.4]) + by hub.org (8.9.3/8.9.3) with ESMTP id OAA02975 + for <pgsql-hackers@postgreSQL.org>; Mon, 3 Jan 2000 14:38:05 -0500 (EST) + (envelope-from zakkr@zf.jcu.cz) +Received: from localhost (zakkr@localhost) + by ara.zf.jcu.cz (8.9.3/8.9.3/Debian/GNU) with SMTP id UAA19297; + Mon, 3 Jan 2000 20:23:35 +0100 +Date: Mon, 3 Jan 2000 20:23:35 +0100 (CET) +From: Karel Zak - Zakkr <zakkr@zf.jcu.cz> +To: P.Marchesso@videotron.ca +cc: pgsql-hackers <pgsql-hackers@postgresql.org> +Subject: [HACKERS] replicator +Message-ID: <Pine.LNX.3.96.1000103194931.19115A-100000@ara.zf.jcu.cz> +MIME-Version: 1.0 +Content-Type: TEXT/PLAIN; charset=US-ASCII +Sender: owner-pgsql-hackers@postgresql.org +Status: OR + + +Hi, + +I look at your (Philippe's) replicator, but I don't good understand +your replication concept. + + + node1: SQL --IPC--> node-broker + | + TCP/IP + | + master-node --IPC--> replikator + | | | + libpq + | | | + node2 node..n + +(Is it right picture?) + +If I good understand, all nodes make connection to master node and data +replicate "replicator" on this master node. But it (master node) is very +critical space in this concept - If master node not work replication for +*all* nodes is lost. Hmm.. but I want use replication for high available +applications... + +IMHO is problem with node registration / authentification on master node. +Why concept is not more upright? As: + + SQL --IPC--> node-replicator + | | | + via libpq send data to all nodes with + current client/backend auth. + + (not exist any master node, all nodes have connection to all nodes) + + +Use replicator as external proces and copy data from SQL to this replicator +via IPC is (your) very good idea. + + Karel + + +---------------------------------------------------------------------- +Karel Zak <zakkr@zf.jcu.cz> http://home.zf.jcu.cz/~zakkr/ + +Docs: http://docs.linux.cz (big docs archive) +Kim Project: http://home.zf.jcu.cz/~zakkr/kim/ (process manager) +FTP: ftp://ftp2.zf.jcu.cz/users/zakkr/ (C/ncurses/PgSQL) +----------------------------------------------------------------------- + + +************ + +From owner-pgsql-hackers@hub.org Tue Jan 4 10:31:01 2000 +Received: from renoir.op.net (root@renoir.op.net [207.29.195.4]) + by candle.pha.pa.us (8.9.0/8.9.0) with ESMTP id LAA17522 + for <pgman@candle.pha.pa.us>; Tue, 4 Jan 2000 11:31:00 -0500 (EST) +Received: from hub.org (hub.org [216.126.84.1]) by renoir.op.net (o1/$Revision: 1.3 $) with ESMTP id LAA01541 for <pgman@candle.pha.pa.us>; Tue, 4 Jan 2000 11:27:30 -0500 (EST) +Received: from localhost (majordom@localhost) + by hub.org (8.9.3/8.9.3) with SMTP id LAA09992; + Tue, 4 Jan 2000 11:18:07 -0500 (EST) + (envelope-from owner-pgsql-hackers) +Received: by hub.org (bulk_mailer v1.5); Tue, 4 Jan 2000 11:17:58 -0500 +Received: (from majordom@localhost) + by hub.org (8.9.3/8.9.3) id LAA09856 + for pgsql-hackers-outgoing; Tue, 4 Jan 2000 11:17:17 -0500 (EST) + (envelope-from owner-pgsql-hackers@postgreSQL.org) +Received: from ara.zf.jcu.cz (zakkr@ara.zf.jcu.cz [160.217.161.4]) + by hub.org (8.9.3/8.9.3) with ESMTP id LAA09763 + for <pgsql-hackers@postgreSQL.org>; Tue, 4 Jan 2000 11:16:43 -0500 (EST) + (envelope-from zakkr@zf.jcu.cz) +Received: from localhost (zakkr@localhost) + by ara.zf.jcu.cz (8.9.3/8.9.3/Debian/GNU) with SMTP id RAA31673; + Tue, 4 Jan 2000 17:02:06 +0100 +Date: Tue, 4 Jan 2000 17:02:06 +0100 (CET) +From: Karel Zak - Zakkr <zakkr@zf.jcu.cz> +To: Philippe Marchesseault <P.Marchesso@Videotron.ca> +cc: pgsql-hackers <pgsql-hackers@postgreSQL.org> +Subject: Re: [HACKERS] replicator +In-Reply-To: <38714B6F.2DECAEC0@Videotron.ca> +Message-ID: <Pine.LNX.3.96.1000104162226.27234D-100000@ara.zf.jcu.cz> +MIME-Version: 1.0 +Content-Type: TEXT/PLAIN; charset=US-ASCII +Sender: owner-pgsql-hackers@postgreSQL.org +Status: OR + + +On Mon, 3 Jan 2000, Philippe Marchesseault wrote: + +> So it could become: +> +> SQL --IPC--> node-replicator +> | | | +> via TCP send statements to each node +> replicator (on local node) +> | +> via libpq send data to +> current (local) backend. +> +> > (not exist any master node, all nodes have connection to all nodes) +> +> Exactly, if the replicator dies only the node dies, everything else keeps +> working. + + + Hi, + + I a little explore replication conception on Oracle and Sybase (in manuals). +(Know anyone some interesting links or publication about it?) + + Firstly, I sure, untimely is write replication to PgSQL now, if we +haven't exactly conception for it. It need more suggestion from more +developers. We need firstly answers for next qestion: + + 1/ How replication concept choose for PG? + 2/ How manage transaction for nodes? (and we need define any + replication protocol for this) + 3/ How involve replication in current PG transaction code? + +My idea (dream:-) is replication that allow you use full read-write on all +nodes and replication which use current transaction method in PG - not is +difference between more backends on one host or more backend on more hosts +- it makes "global transaction consistency". + +Now is transaction manage via ICP (one host), my dream is alike manage +this transaction, but between more host via TCP. (And make optimalization +for this - transfer commited data/commands only.) + + +Any suggestion? + + +------------------- +Note: + +(transaction oriented replication) + + Sybase - I. model (only one node is read-write) + + primary SQL data (READ-WRITE) + | + replication agent (transaction log monitoring) + | + primary distribution server (one or more repl. servers) + | / | \ + | nodes (READ-ONLY) + | + secondary dist. server + / | \ + nodes (READ-ONLY) + + + If primary SQL is read-write and the other nodes *read-only* + => system good work if connection is disable (data are save to + replication-log and if connection is available log is write + to node). + + + Sybase - II. model (all nodes read-write) + + SQL data 1 --->--+ NODE I. + | | + ^ | + | replication agent 1 (transaction log monitoring) + V | + | V + | | + replication server 1 + | + ^ + V + | + replication server 2 NODE II. + | | + ^ +-<-->--- SQL data 2 + | | + replcation agent 2 -<-- + + + +Sorry, I not sure if I re-draw previous picture total good.. + + Karel + + + + + + +************ + |
