Author: paul
Date: 2009-08-12 01:10:32 +0200 (Wed, 12 Aug 2009)
New Revision: 16084
Log:
r43490@frost: paul | 2009-08-11 18:45:24 -0400
Add descriptions for semisync sysvars/statvars
Modified:
trunk/refman-5.4/dba-mysqld-server-core.xml
Property changes on: trunk
___________________________________________________________________
Name: svk:merge
- 07c7e7b4-24e3-4b51-89d0-6dc09fec6bec:/mysqldoc-local/trunk:25547
4767c598-dc10-0410-bea0-d01b485662eb:/mysqldoc-local/mysqldoc/trunk:43968
4767c598-dc10-0410-bea0-d01b485662eb:/mysqldoc-local/trunk:44480
7d8d2c4e-af1d-0410-ab9f-b038ce55645b:/mysqldoc-local/mysqldoc:43488
b5ec3a16-e900-0410-9ad2-d183a3acac99:/mysqldoc-local/mysqldoc/trunk:14218
bf112a9c-6c03-0410-a055-ad865cd57414:/mysqldoc-local/mysqldoc/trunk:39036
bf112a9c-6c03-0410-a055-ad865cd57414:/mysqldoc-local/trunk:39546
+ 07c7e7b4-24e3-4b51-89d0-6dc09fec6bec:/mysqldoc-local/trunk:25547
4767c598-dc10-0410-bea0-d01b485662eb:/mysqldoc-local/mysqldoc/trunk:43968
4767c598-dc10-0410-bea0-d01b485662eb:/mysqldoc-local/trunk:44480
7d8d2c4e-af1d-0410-ab9f-b038ce55645b:/mysqldoc-local/mysqldoc:43490
b5ec3a16-e900-0410-9ad2-d183a3acac99:/mysqldoc-local/mysqldoc/trunk:14218
bf112a9c-6c03-0410-a055-ad865cd57414:/mysqldoc-local/mysqldoc/trunk:39036
bf112a9c-6c03-0410-a055-ad865cd57414:/mysqldoc-local/trunk:39546
Modified: trunk/refman-5.4/dba-mysqld-server-core.xml
===================================================================
--- trunk/refman-5.4/dba-mysqld-server-core.xml 2009-08-11 18:18:43 UTC (rev 16083)
+++ trunk/refman-5.4/dba-mysqld-server-core.xml 2009-08-11 23:10:32 UTC (rev 16084)
Changed blocks: 2, Lines Added: 540, Lines Deleted: 0; 17117 bytes
@@ -8500,6 +8500,163 @@
</listitem>
<listitem>
+ <para id="sysvar_rpl_semi_sync_master_enabled">
+ <indexterm>
+ <primary>rpl_semi_sync_master_enabled system variable</primary>
+ </indexterm>
+
+ <indexterm>
+ <primary>system variable</primary>
+ <secondary>rpl_semi_sync_master_enabled</secondary>
+ </indexterm>
+
+ <literal role="sysvar">rpl_semi_sync_master_enabled</literal>
+ </para>
+
+ <para>
+ Controls whether semisynchronous replication is enabled on the
+ master. To enable or disable the plugin, set this variable to
+ 1 or 0, respectively. The default is 1.
+ </para>
+
+ <para>
+ This variable is was added in MySQL 5.4.4. It is available
+ only if the master-side semisynchronous replication plugin is
+ installed.
+ </para>
+ </listitem>
+
+ <listitem>
+ <para id="sysvar_rpl_semi_sync_master_reply_log_file_pos">
+ <indexterm>
+ <primary>rpl_semi_sync_master_reply_log_file_pos system variable</primary>
+ </indexterm>
+
+ <indexterm>
+ <primary>system variable</primary>
+ <secondary>rpl_semi_sync_master_reply_log_file_pos</secondary>
+ </indexterm>
+
+ <literal role="sysvar">rpl_semi_sync_master_reply_log_file_pos</literal>
+ </para>
+
+ <para>
+ For internal use.
+ </para>
+
+ <para>
+ This variable is was added in MySQL 5.4.4. It is available
+ only if the master-side semisynchronous replication plugin is
+ installed.
+ </para>
+ </listitem>
+
+ <listitem>
+ <para id="sysvar_rpl_semi_sync_master_timeout">
+ <indexterm>
+ <primary>rpl_semi_sync_master_timeout system variable</primary>
+ </indexterm>
+
+ <indexterm>
+ <primary>system variable</primary>
+ <secondary>rpl_semi_sync_master_timeout</secondary>
+ </indexterm>
+
+ <literal role="sysvar">rpl_semi_sync_master_timeout</literal>
+ </para>
+
+ <para>
+ A value in seconds that controls how long the master waits on
+ a commit for acknowledgment from a slave before timing out and
+ reverting to asynchronous replication. The default value is 10
+ seconds.
+ </para>
+
+ <para>
+ This variable is was added in MySQL 5.4.4. It is available
+ only if the master-side semisynchronous replication plugin is
+ installed.
+ </para>
+ </listitem>
+
+ <listitem>
+ <para id="sysvar_rpl_semi_sync_master_trace_level">
+ <indexterm>
+ <primary>rpl_semi_sync_master_trace_level system variable</primary>
+ </indexterm>
+
+ <indexterm>
+ <primary>system variable</primary>
+ <secondary>rpl_semi_sync_master_trace_level</secondary>
+ </indexterm>
+
+ <literal role="sysvar">rpl_semi_sync_master_trace_level</literal>
+ </para>
+
+ <para>
+ For internal use.
+ </para>
+
+ <para>
+ This variable is was added in MySQL 5.4.4. It is available
+ only if the master-side semisynchronous replication plugin is
+ installed.
+ </para>
+ </listitem>
+
+ <listitem>
+ <para id="sysvar_rpl_semi_sync_slave_enabled">
+ <indexterm>
+ <primary>rpl_semi_sync_slave_enabled system variable</primary>
+ </indexterm>
+
+ <indexterm>
+ <primary>system variable</primary>
+ <secondary>rpl_semi_sync_slave_enabled</secondary>
+ </indexterm>
+
+ <literal role="sysvar">rpl_semi_sync_slave_enabled</literal>
+ </para>
+
+ <para>
+ Controls whether semisynchronous replication is enabled on the
+ slave. To enable or disable the plugin, set this variable to 1
+ or 0, respectively. The default is 1.
+ </para>
+
+ <para>
+ This variable is was added in MySQL 5.4.4. It is available
+ only if the slave-side semisynchronous replication plugin is
+ installed.
+ </para>
+ </listitem>
+
+ <listitem>
+ <para id="sysvar_rpl_semi_sync_slave_trace_level">
+ <indexterm>
+ <primary>rpl_semi_sync_slave_trace_level system variable</primary>
+ </indexterm>
+
+ <indexterm>
+ <primary>system variable</primary>
+ <secondary>rpl_semi_sync_slave_trace_level</secondary>
+ </indexterm>
+
+ <literal role="sysvar">rpl_semi_sync_slave_trace_level</literal>
+ </para>
+
+ <para>
+ For internal use.
+ </para>
+
+ <para>
+ This variable is was added in MySQL 5.4.4. It is available
+ only if the slave-side semisynchronous replication plugin is
+ installed.
+ </para>
+ </listitem>
+
+ <listitem>
<para id="sysvar_secure_auth">
<indexterm>
<primary>secure_auth system variable</primary>
@@ -12643,6 +12800,389 @@
</listitem>
<listitem>
+ <para id="statvar_Rpl_semi_sync_master_clients">
+ <indexterm>
+ <primary>Rpl_semi_sync_master_clients status variable</primary>
+ </indexterm>
+
+ <indexterm>
+ <primary>status variable</primary>
+ <secondary>Rpl_semi_sync_master_clients</secondary>
+ </indexterm>
+
+ <literal role="statvar">Rpl_semi_sync_master_clients</literal>
+ </para>
+
+ <para>
+ The number of semisynchronous slaves.
+ </para>
+
+ <para>
+ This variable is was added in MySQL 5.4.4. It is available
+ only if the master-side semisynchronous replication plugin is
+ installed.
+ </para>
+ </listitem>
+
+ <listitem>
+ <para id="statvar_Rpl_semi_sync_master_net_avg_wait_time">
+ <indexterm>
+ <primary>Rpl_semi_sync_master_net_avg_wait_time status variable</primary>
+ </indexterm>
+
+ <indexterm>
+ <primary>status variable</primary>
+ <secondary>Rpl_semi_sync_master_net_avg_wait_time</secondary>
+ </indexterm>
+
+ <literal role="statvar">Rpl_semi_sync_master_net_avg_wait_time</literal>
+ </para>
+
+ <para>
+ For internal use.
+ </para>
+
+ <para>
+ This variable is was added in MySQL 5.4.4. It is available
+ only if the master-side semisynchronous replication plugin is
+ installed.
+ </para>
+ </listitem>
+
+ <listitem>
+ <para id="statvar_Rpl_semi_sync_master_net_wait_time">
+ <indexterm>
+ <primary>Rpl_semi_sync_master_net_wait_time status variable</primary>
+ </indexterm>
+
+ <indexterm>
+ <primary>status variable</primary>
+ <secondary>Rpl_semi_sync_master_net_wait_time</secondary>
+ </indexterm>
+
+ <literal role="statvar">Rpl_semi_sync_master_net_wait_time</literal>
+ </para>
+
+ <para>
+ For internal use.
+ </para>
+
+ <para>
+ This variable is was added in MySQL 5.4.4. It is available
+ only if the master-side semisynchronous replication plugin is
+ installed.
+ </para>
+ </listitem>
+
+ <listitem>
+ <para id="statvar_Rpl_semi_sync_master_net_waits">
+ <indexterm>
+ <primary>Rpl_semi_sync_master_net_waits status variable</primary>
+ </indexterm>
+
+ <indexterm>
+ <primary>status variable</primary>
+ <secondary>Rpl_semi_sync_master_net_waits</secondary>
+ </indexterm>
+
+ <literal role="statvar">Rpl_semi_sync_master_net_waits</literal>
+ </para>
+
+ <para>
+ For internal use.
+ </para>
+
+ <para>
+ This variable is was added in MySQL 5.4.4. It is available
+ only if the master-side semisynchronous replication plugin is
+ installed.
+ </para>
+ </listitem>
+
+ <listitem>
+ <para id="statvar_Rpl_semi_sync_master_no_times">
+ <indexterm>
+ <primary>Rpl_semi_sync_master_no_times status variable</primary>
+ </indexterm>
+
+ <indexterm>
+ <primary>status variable</primary>
+ <secondary>Rpl_semi_sync_master_no_times</secondary>
+ </indexterm>
+
+ <literal role="statvar">Rpl_semi_sync_master_no_times</literal>
+ </para>
+
+ <para>
+ For internal use.
+ </para>
+
+ <para>
+ This variable is was added in MySQL 5.4.4. It is available
+ only if the master-side semisynchronous replication plugin is
+ installed.
+ </para>
+ </listitem>
+
+ <listitem>
+ <para id="statvar_Rpl_semi_sync_master_no_tx">
+ <indexterm>
+ <primary>Rpl_semi_sync_master_no_tx status variable</primary>
+ </indexterm>
+
+ <indexterm>
+ <primary>status variable</primary>
+ <secondary>Rpl_semi_sync_master_no_tx</secondary>
+ </indexterm>
+
+ <literal role="statvar">Rpl_semi_sync_master_no_tx</literal>
+ </para>
+
+ <para>
+ The number of commits that were not acknowledged successfully
+ by a slave.
+ </para>
+
+ <para>
+ This variable is was added in MySQL 5.4.4. It is available
+ only if the master-side semisynchronous replication plugin is
+ installed.
+ </para>
+ </listitem>
+
+ <listitem>
+ <para id="statvar_Rpl_semi_sync_master_status">
+ <indexterm>
+ <primary>Rpl_semi_sync_master_status status variable</primary>
+ </indexterm>
+
+ <indexterm>
+ <primary>status variable</primary>
+ <secondary>Rpl_semi_sync_master_status</secondary>
+ </indexterm>
+
+ <literal role="statvar">Rpl_semi_sync_master_status</literal>
+ </para>
+
+ <para>
+ Whether semisynchronous replication currently is operational
+ on the master. The value is 1 if the plugin has been enabled
+ and a commit acknowledgment has not occurred. It is 0 if the
+ plugin is not enabled or the master has fallen back to
+ asynchronous replication due to commit acknowledgment timeout.
+ </para>
+
+ <para>
+ This variable is was added in MySQL 5.4.4. It is available
+ only if the master-side semisynchronous replication plugin is
+ installed.
+ </para>
+ </listitem>
+
+ <listitem>
+ <para id="statvar_Rpl_semi_sync_master_timefunc_failures">
+ <indexterm>
+ <primary>Rpl_semi_sync_master_timefunc_failures status variable</primary>
+ </indexterm>
+
+ <indexterm>
+ <primary>status variable</primary>
+ <secondary>Rpl_semi_sync_master_timefunc_failures</secondary>
+ </indexterm>
+
+ <literal role="statvar">Rpl_semi_sync_master_timefunc_failures</literal>
+ </para>
+
+ <para>
+ For internal use.
+ </para>
+
+ <para>
+ This variable is was added in MySQL 5.4.4. It is available
+ only if the master-side semisynchronous replication plugin is
+ installed.
+ </para>
+ </listitem>
+
+ <listitem>
+ <para id="statvar_Rpl_semi_sync_master_tx_avg_wait_time">
+ <indexterm>
+ <primary>Rpl_semi_sync_master_tx_avg_wait_time status variable</primary>
+ </indexterm>
+
+ <indexterm>
+ <primary>status variable</primary>
+ <secondary>Rpl_semi_sync_master_tx_avg_wait_time</secondary>
+ </indexterm>
+
+ <literal role="statvar">Rpl_semi_sync_master_tx_avg_wait_time</literal>
+ </para>
+
+ <para>
+ For internal use.
+ </para>
+
+ <para>
+ This variable is was added in MySQL 5.4.4. It is available
+ only if the master-side semisynchronous replication plugin is
+ installed.
+ </para>
+ </listitem>
+
+ <listitem>
+ <para id="statvar_Rpl_semi_sync_master_tx_wait_time">
+ <indexterm>
+ <primary>Rpl_semi_sync_master_tx_wait_time status variable</primary>
+ </indexterm>
+
+ <indexterm>
+ <primary>status variable</primary>
+ <secondary>Rpl_semi_sync_master_tx_wait_time</secondary>
+ </indexterm>
+
+ <literal role="statvar">Rpl_semi_sync_master_tx_wait_time</literal>
+ </para>
+
+ <para>
+ For internal use.
+ </para>
+
+ <para>
+ This variable is was added in MySQL 5.4.4. It is available
+ only if the master-side semisynchronous replication plugin is
+ installed.
+ </para>
+ </listitem>
+
+ <listitem>
+ <para id="statvar_Rpl_semi_sync_master_tx_waits">
+ <indexterm>
+ <primary>Rpl_semi_sync_master_tx_waits status variable</primary>
+ </indexterm>
+
+ <indexterm>
+ <primary>status variable</primary>
+ <secondary>Rpl_semi_sync_master_tx_waits</secondary>
+ </indexterm>
+
+ <literal role="statvar">Rpl_semi_sync_master_tx_waits</literal>
+ </para>
+
+ <para>
+ For internal use.
+ </para>
+
+ <para>
+ This variable is was added in MySQL 5.4.4. It is available
+ only if the master-side semisynchronous replication plugin is
+ installed.
+ </para>
+ </listitem>
+
+ <listitem>
+ <para id="statvar_Rpl_semi_sync_master_wait_pos_backtraverse">
+ <indexterm>
+ <primary>Rpl_semi_sync_master_wait_pos_backtraverse status variable</primary>
+ </indexterm>
+
+ <indexterm>
+ <primary>status variable</primary>
+ <secondary>Rpl_semi_sync_master_wait_pos_backtraverse</secondary>
+ </indexterm>
+
+ <literal role="statvar">Rpl_semi_sync_master_wait_pos_backtraverse</literal>
+ </para>
+
+ <para>
+ For internal use.
+ </para>
+
+ <para>
+ This variable is was added in MySQL 5.4.4. It is available
+ only if the master-side semisynchronous replication plugin is
+ installed.
+ </para>
+ </listitem>
+
+ <listitem>
+ <para id="statvar_Rpl_semi_sync_master_wait_sessions">
+ <indexterm>
+ <primary>Rpl_semi_sync_master_wait_sessions status variable</primary>
+ </indexterm>
+
+ <indexterm>
+ <primary>status variable</primary>
+ <secondary>Rpl_semi_sync_master_wait_sessions</secondary>
+ </indexterm>
+
+ <literal role="statvar">Rpl_semi_sync_master_wait_sessions</literal>
+ </para>
+
+ <para>
+ For internal use.
+ </para>
+
+ <para>
+ This variable is was added in MySQL 5.4.4. It is available
+ only if the master-side semisynchronous replication plugin is
+ installed.
+ </para>
+ </listitem>
+
+ <listitem>
+ <para id="statvar_Rpl_semi_sync_master_yes_tx">
+ <indexterm>
+ <primary>Rpl_semi_sync_master_yes_tx status variable</primary>
+ </indexterm>
+
+ <indexterm>
+ <primary>status variable</primary>
+ <secondary>Rpl_semi_sync_master_yes_tx</secondary>
+ </indexterm>
+
+ <literal role="statvar">Rpl_semi_sync_master_yes_tx</literal>
+ </para>
+
+ <para>
+ The number of commits that were acknowledged successfully by a
+ slave.
+ </para>
+
+ <para>
+ This variable is was added in MySQL 5.4.4. It is available
+ only if the master-side semisynchronous replication plugin is
+ installed.
+ </para>
+ </listitem>
+
+ <listitem>
+ <para id="statvar_Rpl_semi_sync_slave_status">
+ <indexterm>
+ <primary>Rpl_semi_sync_slave_status status variable</primary>
+ </indexterm>
+
+ <indexterm>
+ <primary>status variable</primary>
+ <secondary>Rpl_semi_sync_slave_status</secondary>
+ </indexterm>
+
+ <literal role="statvar">Rpl_semi_sync_slave_status</literal>
+ </para>
+
+ <para>
+ Whether semisynchronous replication currently is operational
+ on the slave. This is 1 if the plugin has been enabled and the
+ slave I/O thread is running, 0 otherwise.
+ </para>
+
+ <para>
+ This variable is was added in MySQL 5.4.4. It is available
+ only if the slave-side semisynchronous replication plugin is
+ installed.
+ </para>
+ </listitem>
+
+ <listitem>
<para id="statvar_Rpl_status">
<literal role="statvar">Rpl_status</literal>
</para>
| Thread |
|---|
| • svn commit - mysqldoc@docsrva: r16084 - in trunk: . refman-5.4 | paul.dubois | 12 Aug |
