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Fix a couple of places in doc that implied there was only one sync standby.

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Thomas Munro
This commit is contained in:
Fujii Masao 2016-04-08 13:24:50 +09:00
parent 137805f89a
commit 8643b91ecf
1 changed files with 7 additions and 6 deletions
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13
doc/src/sgml/high-availability.sgml
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@ -1086,9 +1086,10 @@ primary_slot_name = 'node_a_slot'
In the case that <varname>synchronous_commit</> is set to In the case that <varname>synchronous_commit</> is set to
<literal>remote_apply</>, the standby sends reply messages when the commit <literal>remote_apply</>, the standby sends reply messages when the commit
record is replayed, making the transaction visible. record is replayed, making the transaction visible.
If the standby is chosen as the synchronous standby, from a priority If the standby is chosen as a synchronous standby, from a priority
list of <varname>synchronous_standby_names</> on the primary, the reply list of <varname>synchronous_standby_names</> on the primary, the reply
messages from that standby will be used to wake users waiting for messages from that standby will be considered along with those from other
synchronous standbys to decide when to release transactions waiting for
confirmation that the commit record has been received. These parameters confirmation that the commit record has been received. These parameters
allow the administrator to specify which standby servers should be allow the administrator to specify which standby servers should be
synchronous standbys. Note that the configuration of synchronous synchronous standbys. Note that the configuration of synchronous
@ -1113,10 +1114,10 @@ primary_slot_name = 'node_a_slot'
<para> <para>
Setting <varname>synchronous_commit</> to <literal>remote_apply</> will Setting <varname>synchronous_commit</> to <literal>remote_apply</> will
cause each commit to wait until the current synchronous standby reports cause each commit to wait until the current synchronous standbys report
that it has replayed the transaction, making it visible to user queries. that they have replayed the transaction, making it visible to user
In simple cases, this allows for load balancing with causal consistency queries. In simple cases, this allows for load balancing with causal
on a single hot standby. consistency.
</para> </para>
<para> <para>