</varlistentry>
<varlistentry>
- <term>Warm and Hot Standby Using Point-In-Time Recovery (<acronym>PITR</>)</term>
+ <term>Transaction Log Shipping</term>
<listitem>
<para>
stream of write-ahead log (<acronym>WAL</>)
records. If the main server fails, the standby contains
almost all of the data of the main server, and can be quickly
- made the new master database server. This is asynchronous and
- can only be done for the entire database server.
+ made the new master database server. This can be synchronous or
+ asynchronous and can only be done for the entire database server.
</para>
<para>
- A PITR standby server can be implemented using file-based log shipping
+ A standby server can be implemented using file-based log shipping
(<xref linkend="warm-standby">) or streaming replication (see
<xref linkend="streaming-replication">), or a combination of both. For
information on hot standby, see <xref linkend="hot-standby">.
<entry>Feature</entry>
<entry>Shared Disk Failover</entry>
<entry>File System Replication</entry>
- <entry>Hot/Warm Standby Using PITR</entry>
+ <entry>Transaction Log Shipping</entry>
<entry>Trigger-Based Master-Standby Replication</entry>
<entry>Statement-Based Replication Middleware</entry>
<entry>Asynchronous Multimaster Replication</entry>
<entry>Most Common Implementation</entry>
<entry align="center">NAS</entry>
<entry align="center">DRBD</entry>
- <entry align="center">PITR</entry>
+ <entry align="center">Streaming Repl.</entry>
<entry align="center">Slony</entry>
<entry align="center">pgpool-II</entry>
<entry align="center">Bucardo</entry>
<entry>No waiting for multiple servers</entry>
<entry align="center">•</entry>
<entry align="center"></entry>
- <entry align="center">•</entry>
+ <entry align="center">with sync off</entry>
<entry align="center">•</entry>
<entry align="center"></entry>
<entry align="center">•</entry>
<entry>Master failure will never lose data</entry>
<entry align="center">•</entry>
<entry align="center">•</entry>
- <entry align="center"></entry>
+ <entry align="center">with sync on</entry>
<entry align="center"></entry>
<entry align="center">•</entry>
<entry align="center"></entry>
<entry>Standby accept read-only queries</entry>
<entry align="center"></entry>
<entry align="center"></entry>
- <entry align="center">Hot only</entry>
+ <entry align="center">with hot</entry>
<entry align="center">•</entry>
<entry align="center">•</entry>
<entry align="center">•</entry>