MediaWiki API result
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"fromtitle": "Main Page",
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"totitle": "Main Page",
"*": "<tr><td colspan=\"2\" class=\"diff-lineno\" id=\"mw-diff-left-l1\" >Line 1:</td>\n<td colspan=\"2\" class=\"diff-lineno\">Line 1:</td></tr>\n<tr><td colspan=\"2\"> </td><td class='diff-marker'>+</td><td class='diff-addedline'><div><ins class=\"diffchange\"><!--</ins></div></td></tr>\n<tr><td class='diff-marker'> </td><td class='diff-context'><div>'''MediaWiki has been successfully installed.'''</div></td><td class='diff-marker'> </td><td class='diff-context'><div>'''MediaWiki has been successfully installed.'''</div></td></tr>\n<tr><td class='diff-marker'> </td><td class='diff-context'></td><td class='diff-marker'> </td><td class='diff-context'></td></tr>\n<tr><td colspan=\"2\" class=\"diff-lineno\" id=\"mw-diff-left-l7\" >Line 7:</td>\n<td colspan=\"2\" class=\"diff-lineno\">Line 8:</td></tr>\n<tr><td class='diff-marker'> </td><td class='diff-context'><div>* [http://www.mediawiki.org/wiki/Manual:FAQ MediaWiki FAQ]</div></td><td class='diff-marker'> </td><td class='diff-context'><div>* [http://www.mediawiki.org/wiki/Manual:FAQ MediaWiki FAQ]</div></td></tr>\n<tr><td class='diff-marker'> </td><td class='diff-context'><div>* [https://lists.wikimedia.org/mailman/listinfo/mediawiki-announce MediaWiki release mailing list]</div></td><td class='diff-marker'> </td><td class='diff-context'><div>* [https://lists.wikimedia.org/mailman/listinfo/mediawiki-announce MediaWiki release mailing list]</div></td></tr>\n<tr><td colspan=\"2\"> </td><td class='diff-marker'>+</td><td class='diff-addedline'><div><ins class=\"diffchange\">--></ins></div></td></tr>\n<tr><td colspan=\"2\"> </td><td class='diff-marker'>+</td><td class='diff-addedline'><div><ins class=\"diffchange\">= Welcome to Pgpool Wiki! =</ins></div></td></tr>\n<tr><td colspan=\"2\"> </td><td class='diff-marker'>+</td><td class='diff-addedline'><div><ins class=\"diffchange\"></ins></div></td></tr>\n<tr><td colspan=\"2\"> </td><td class='diff-marker'>+</td><td class='diff-addedline'><div><ins class=\"diffchange\">== What is pgpool-II? ==</ins></div></td></tr>\n<tr><td colspan=\"2\"> </td><td class='diff-marker'>+</td><td class='diff-addedline'><div><ins class=\"diffchange\"></ins></div></td></tr>\n<tr><td colspan=\"2\"> </td><td class='diff-marker'>+</td><td class='diff-addedline'><div><ins class=\"diffchange\">pgpool-II is a middleware that works between PostgreSQL servers and a PostgreSQL database client. It provides the following features.</ins></div></td></tr>\n<tr><td colspan=\"2\"> </td><td class='diff-marker'>+</td><td class='diff-addedline'><div><ins class=\"diffchange\"></ins></div></td></tr>\n<tr><td colspan=\"2\"> </td><td class='diff-marker'>+</td><td class='diff-addedline'><div><ins class=\"diffchange\">* Connection Pooling</ins></div></td></tr>\n<tr><td colspan=\"2\"> </td><td class='diff-marker'>+</td><td class='diff-addedline'><div><ins class=\"diffchange\">:pgpool-II saves connections to the PostgreSQL servers, and reuse them whenever a new connection with the same properties (i.e. username, database, protocol version) comes in. It reduces connection overhead, and improves system's overall throughput.</ins></div></td></tr>\n<tr><td colspan=\"2\"> </td><td class='diff-marker'>+</td><td class='diff-addedline'><div><ins class=\"diffchange\"></ins></div></td></tr>\n<tr><td colspan=\"2\"> </td><td class='diff-marker'>+</td><td class='diff-addedline'><div><ins class=\"diffchange\">* Replication</ins></div></td></tr>\n<tr><td colspan=\"2\"> </td><td class='diff-marker'>+</td><td class='diff-addedline'><div><ins class=\"diffchange\">:pgpool-II can manage multiple PostgreSQL servers. Using the replication function enables creating a realtime backup on 2 or more physical disks, so that the service can continue without stopping servers in case of a disk failure.</ins></div></td></tr>\n<tr><td colspan=\"2\"> </td><td class='diff-marker'>+</td><td class='diff-addedline'><div><ins class=\"diffchange\"></ins></div></td></tr>\n<tr><td colspan=\"2\"> </td><td class='diff-marker'>+</td><td class='diff-addedline'><div><ins class=\"diffchange\">* Load Balance</ins></div></td></tr>\n<tr><td colspan=\"2\"> </td><td class='diff-marker'>+</td><td class='diff-addedline'><div><ins class=\"diffchange\">:If a database is replicated, executing a SELECT query on any server will return the same result. pgpool-II takes an advantage of the replication feature to reduce the load on each PostgreSQL server by distributing SELECT queries among multiple servers, improving system's overall throughput. At best, performance improves proportionally to the number of PostgreSQL servers. Load balance works best in a situation where there are a lot of users executing many queries at the same time.</ins></div></td></tr>\n<tr><td colspan=\"2\"> </td><td class='diff-marker'>+</td><td class='diff-addedline'><div><ins class=\"diffchange\"></ins></div></td></tr>\n<tr><td colspan=\"2\"> </td><td class='diff-marker'>+</td><td class='diff-addedline'><div><ins class=\"diffchange\">* Limiting Exceeding Connections</ins></div></td></tr>\n<tr><td colspan=\"2\"> </td><td class='diff-marker'>+</td><td class='diff-addedline'><div><ins class=\"diffchange\">:There is a limit on the maximum number of concurrent connections with PostgreSQL, and connections are rejected after this many connections. Setting the maximum number of connections, however, increases resource consumption and affect system performance. pgpool-II also has a limit on the maximum number of connections, but extra connections will be queued instead of returning an error immediately.</ins></div></td></tr>\n<tr><td colspan=\"2\"> </td><td class='diff-marker'>+</td><td class='diff-addedline'><div><ins class=\"diffchange\"></ins></div></td></tr>\n<tr><td colspan=\"2\"> </td><td class='diff-marker'>+</td><td class='diff-addedline'><div><ins class=\"diffchange\">* Parallel Query</ins></div></td></tr>\n<tr><td colspan=\"2\"> </td><td class='diff-marker'>+</td><td class='diff-addedline'><div><ins class=\"diffchange\">:Using the parallel query function, data can be divided among the multiple servers, so that a query can be executed on all the servers concurrently to reduce the overall execution time. Parallel query works the best when searching large-scale data.</ins></div></td></tr>\n<tr><td colspan=\"2\"> </td><td class='diff-marker'>+</td><td class='diff-addedline'><div><ins class=\"diffchange\"></ins></div></td></tr>\n<tr><td colspan=\"2\"> </td><td class='diff-marker'>+</td><td class='diff-addedline'><div><ins class=\"diffchange\">pgpool-II talks PostgreSQL's backend and frontend protocol, and relays a connection between them. Therefore, a database application (frontend) thinks that pgpool-II is the actual PostgreSQL server, and the server (backend) sees pgpool-II as one of its clients. Because pgpool-II is transparent to both the server and the client, an existing database application can be used with pgpool-II almost without a change to its sources.</ins></div></td></tr>\n<tr><td colspan=\"2\"> </td><td class='diff-marker'>+</td><td class='diff-addedline'><div><ins class=\"diffchange\"></ins></div></td></tr>\n<tr><td colspan=\"2\"> </td><td class='diff-marker'>+</td><td class='diff-addedline'><div><ins class=\"diffchange\">== Where can I get pgpool-II? ==</ins></div></td></tr>\n<tr><td colspan=\"2\"> </td><td class='diff-marker'>+</td><td class='diff-addedline'><div><ins class=\"diffchange\"></ins></div></td></tr>\n<tr><td colspan=\"2\"> </td><td class='diff-marker'>+</td><td class='diff-addedline'><div><ins class=\"diffchange\">pgpool-II is licensed under BSD license. You can download it from [http://pgfoundry.org/projects/pgpool/ pgpool-II development page]. The latest stable version of pgpool-II is [http://pgfoundry.org/frs/download.php/3076/pgpool-II-3.0.4.tar.gz 3.0.4].</ins></div></td></tr>\n<tr><td colspan=\"2\"> </td><td class='diff-marker'>+</td><td class='diff-addedline'><div><ins class=\"diffchange\"></ins></div></td></tr>\n<tr><td colspan=\"2\"> </td><td class='diff-marker'>+</td><td class='diff-addedline'><div><ins class=\"diffchange\">== pgpool-II 3.0 officially released!! ==</ins></div></td></tr>\n<tr><td colspan=\"2\"> </td><td class='diff-marker'>+</td><td class='diff-addedline'><div><ins class=\"diffchange\"></ins></div></td></tr>\n<tr><td colspan=\"2\"> </td><td class='diff-marker'>+</td><td class='diff-addedline'><div><ins class=\"diffchange\">The biggest feature of this version is pgpool-II 3.0 now can work with PostgreSQL 9.0's Streaming replication/Hot Standby. This is pretty much similar to the master/slave mode with Slony-I but you can enjoy much more sophisticated Streaming replication (DDL, large object replication etc.) Learn more about pgpool-II 3.0:</ins></div></td></tr>\n<tr><td colspan=\"2\"> </td><td class='diff-marker'>+</td><td class='diff-addedline'><div><ins class=\"diffchange\"></ins></div></td></tr>\n<tr><td colspan=\"2\"> </td><td class='diff-marker'>+</td><td class='diff-addedline'><div><ins class=\"diffchange\">* [http://www.sraoss.co.jp/event_seminar/2010/20100702-03char10.pdf Talk at CHAR(10) Oxford(English)]</ins></div></td></tr>\n<tr><td colspan=\"2\"> </td><td class='diff-marker'>+</td><td class='diff-addedline'><div><ins class=\"diffchange\">* [http://pgpool.projects.postgresql.org/NEWS.txt pgpool-II 3.0 release note(English)]</ins></div></td></tr>\n<tr><td colspan=\"2\"> </td><td class='diff-marker'>+</td><td class='diff-addedline'><div><ins class=\"diffchange\">* [http://pgpool.projects.postgresql.org/pgpool-II/doc/pgpool-ja.html#release pgpool-II 3.0 release note(Japanese)]</ins></div></td></tr>\n<tr><td colspan=\"2\"> </td><td class='diff-marker'>+</td><td class='diff-addedline'><div><ins class=\"diffchange\"></ins></div></td></tr>\n<tr><td colspan=\"2\"> </td><td class='diff-marker'>+</td><td class='diff-addedline'><div><ins class=\"diffchange\">== Documentations ==</ins></div></td></tr>\n<tr><td colspan=\"2\"> </td><td class='diff-marker'>+</td><td class='diff-addedline'><div><ins class=\"diffchange\"></ins></div></td></tr>\n<tr><td colspan=\"2\"> </td><td class='diff-marker'>+</td><td class='diff-addedline'><div><ins class=\"diffchange\">* pgpool-II official documents</ins></div></td></tr>\n<tr><td colspan=\"2\"> </td><td class='diff-marker'>+</td><td class='diff-addedline'><div><ins class=\"diffchange\">** [http://pgpool.projects.postgresql.org/pgpool-II/doc/pgpool-en.html pgpool-II manual(English)]</ins></div></td></tr>\n<tr><td colspan=\"2\"> </td><td class='diff-marker'>+</td><td class='diff-addedline'><div><ins class=\"diffchange\">** [http://pgpool.projects.postgresql.org/pgpool-II/doc/pgpool-ja.html pgpool-II manual(Japanese)]</ins></div></td></tr>\n<tr><td colspan=\"2\"> </td><td class='diff-marker'>+</td><td class='diff-addedline'><div><ins class=\"diffchange\">** [http://pgpool.projects.postgresql.org/pgpool-II/doc/tutorial-en.html pgpool-II tutorial(English)]</ins></div></td></tr>\n<tr><td colspan=\"2\"> </td><td class='diff-marker'>+</td><td class='diff-addedline'><div><ins class=\"diffchange\">** [http://pgpool.projects.postgresql.org/pgpool-II/doc/tutorial-ja.htmlpgpool-II tutorial(Japanese)]</ins></div></td></tr>\n<tr><td colspan=\"2\"> </td><td class='diff-marker'>+</td><td class='diff-addedline'><div><ins class=\"diffchange\"></ins></div></td></tr>\n<tr><td colspan=\"2\"> </td><td class='diff-marker'>+</td><td class='diff-addedline'><div><ins class=\"diffchange\">* pgpoolAdmin official documents</ins></div></td></tr>\n<tr><td colspan=\"2\"> </td><td class='diff-marker'>+</td><td class='diff-addedline'><div><ins class=\"diffchange\">** [http://pgpool.projects.postgresql.org/pgpoolAdmin/doc/index_en.html pgpoolAdmin manual(English)]</ins></div></td></tr>\n<tr><td colspan=\"2\"> </td><td class='diff-marker'>+</td><td class='diff-addedline'><div><ins class=\"diffchange\">** [http://pgpool.projects.postgresql.org/pgpoolAdmin/doc/index_ja.html pgpoolAdmin manual(Japanese)]</ins></div></td></tr>\n<tr><td colspan=\"2\"> </td><td class='diff-marker'>+</td><td class='diff-addedline'><div><ins class=\"diffchange\"></ins></div></td></tr>\n<tr><td colspan=\"2\"> </td><td class='diff-marker'>+</td><td class='diff-addedline'><div><ins class=\"diffchange\">* User conributed documentations</ins></div></td></tr>\n<tr><td colspan=\"2\"> </td><td class='diff-marker'>+</td><td class='diff-addedline'><div><ins class=\"diffchange\">** [http://pgpool.projects.postgresql.org/contrib_docs/pgpool-II_for_beginners.pdf Gerd Koenig's "pgpool-II for beginners"]</ins></div></td></tr>\n<tr><td colspan=\"2\"> </td><td class='diff-marker'>+</td><td class='diff-addedline'><div><ins class=\"diffchange\">** [http://lets.postgresql.jp/documents/technical/pgpool/1 What is pgpool-II(in Japanese)]</ins></div></td></tr>\n<tr><td colspan=\"2\"> </td><td class='diff-marker'>+</td><td class='diff-addedline'><div><ins class=\"diffchange\">** [http://lets.postgresql.jp/documents/technical/pgpool/2 Creating a replication system using pgpool-II(in Japanese)]</ins></div></td></tr>\n<tr><td colspan=\"2\"> </td><td class='diff-marker'>+</td><td class='diff-addedline'><div><ins class=\"diffchange\">** [http://www.sraoss.co.jp/event_seminar/2010/20100702-03char10.pdf Making master/slave systems work better with pgpool-II]</ins></div></td></tr>\n<tr><td colspan=\"2\"> </td><td class='diff-marker'>+</td><td class='diff-addedline'><div><ins class=\"diffchange\">** [http://pgpool.projects.postgresql.org/contrib_docs/simple_sr_setting/index.html Simple Streaming replication setting with pgpool-II(English)]</ins></div></td></tr>\n<tr><td colspan=\"2\"> </td><td class='diff-marker'>+</td><td class='diff-addedline'><div><ins class=\"diffchange\">** [http://pgpool.projects.postgresql.org/contrib_docs/simple_sr_setting/index-ja.html Simple Streaming replication setting with pgpool-II(Japanese)]</ins></div></td></tr>\n<tr><td colspan=\"2\"> </td><td class='diff-marker'>+</td><td class='diff-addedline'><div><ins class=\"diffchange\">** [http://pgpool.projects.postgresql.org/contrib_docs/simple_sr_setting2/index.html Simple Streaming replication setting with pgpool-II(multiple server version, English)]</ins></div></td></tr>\n<tr><td colspan=\"2\"> </td><td class='diff-marker'>+</td><td class='diff-addedline'><div><ins class=\"diffchange\">** [http://pgpool.projects.postgresql.org/contrib_docs/simple_sr_setting2/index-ja.html Simple Streaming replication setting with pgpool-II(multiple server version, Japanese)]</ins></div></td></tr>\n<tr><td colspan=\"2\"> </td><td class='diff-marker'>+</td><td class='diff-addedline'><div><ins class=\"diffchange\"></ins></div></td></tr>\n<tr><td colspan=\"2\"> </td><td class='diff-marker'>+</td><td class='diff-addedline'><div><ins class=\"diffchange\">* [http://pgpool.projects.postgresql.org/FAQ.html Frequetly asked questions]</ins></div></td></tr>\n<tr><td colspan=\"2\"> </td><td class='diff-marker'>+</td><td class='diff-addedline'><div><ins class=\"diffchange\"></ins></div></td></tr>\n<tr><td colspan=\"2\"> </td><td class='diff-marker'>+</td><td class='diff-addedline'><div><ins class=\"diffchange\">== Developers documentations ==</ins></div></td></tr>\n<tr><td colspan=\"2\"> </td><td class='diff-marker'>+</td><td class='diff-addedline'><div><ins class=\"diffchange\"></ins></div></td></tr>\n<tr><td colspan=\"2\"> </td><td class='diff-marker'>+</td><td class='diff-addedline'><div><ins class=\"diffchange\">* [http://pgpool.projects.postgresql.org/pgpoolAdmin-add-directives.txt How to add configurfation directives to pgpoolAdmin]</ins></div></td></tr>\n"
}
}