Add "Most Common Implementation" row to high availablity table so the

table is less abstract.  Most common implementations were already
mentioned in the text.
This commit is contained in:
Bruce Momjian 2008-11-19 04:46:37 +00:00
parent e125e28e78
commit 89ad92a216

View File

@ -1,4 +1,4 @@
<!-- $PostgreSQL: pgsql/doc/src/sgml/high-availability.sgml,v 1.33 2008/11/17 18:55:14 momjian Exp $ -->
<!-- $PostgreSQL: pgsql/doc/src/sgml/high-availability.sgml,v 1.34 2008/11/19 04:46:37 momjian Exp $ -->
<chapter id="high-availability">
<title>High Availability, Load Balancing, and Replication</title>
@ -287,6 +287,28 @@ protocol to make nodes agree on a serializable transactional order.
<tbody>
<row>
<entry>Most Common Implementation</entry>
<entry align="center">NAS</entry>
<entry align="center">DRBD</entry>
<entry align="center">PITR</entry>
<entry align="center">Slony</entry>
<entry align="center">pgpool-II</entry>
<entry align="center">Bucardo</entry>
<entry align="center"></entry>
</row>
<row>
<entry>Communication Method</entry>
<entry align="center">shared disk</entry>
<entry align="center">disk blocks</entry>
<entry align="center">WAL</entry>
<entry align="center">table rows</entry>
<entry align="center">SQL</entry>
<entry align="center">table rows</entry>
<entry align="center">table rows and row locks</entry>
</row>
<row>
<entry>No special hardware required</entry>
<entry align="center"></entry>
@ -375,17 +397,6 @@ protocol to make nodes agree on a serializable transactional order.
<entry align="center">&bull;</entry>
</row>
<row>
<entry>Communication Method</entry>
<entry align="center">shared disk</entry>
<entry align="center">disk blocks</entry>
<entry align="center">WAL</entry>
<entry align="center">table rows</entry>
<entry align="center">SQL</entry>
<entry align="center">table rows</entry>
<entry align="center">table rows and row locks</entry>
</row>
</tbody>
</tgroup>
</table>