Author: jstephens
Date: 2006-07-04 02:20:32 +0200 (Tue, 04 Jul 2006)
New Revision: 2613
Log:
We do not support multiple data nodes per machine. (JimmyG)
Modified:
trunk/refman-4.1/ndbcluster.xml
trunk/refman-5.0/ndbcluster.xml
trunk/refman-5.1/ndbcluster.xml
Modified: trunk/refman-4.1/ndbcluster.xml
===================================================================
--- trunk/refman-4.1/ndbcluster.xml 2006-07-03 21:16:49 UTC (rev 2612)
+++ trunk/refman-4.1/ndbcluster.xml 2006-07-04 00:20:32 UTC (rev 2613)
@@ -517,12 +517,10 @@
</para>
<para>
- Each data node is usually located on a separate computer.
- However, it is also possible to host multiple data nodes on
- a single computer having more than one processor. In such
- cases, it is feasible to run one instance of
- <command>ndbd</command> per physical CPU. (Note that a
- processor with multiple cores is still a single processor.)
+ Each data node should be located on a separate computer.
+ While it is also possible to host multiple
+ <command>ndbd</command> processes on a single computer, such
+ a configuration is not supported.
</para>
<para>
@@ -679,13 +677,8 @@
to a complete set of all cluster data.
</para>
- <remark role="todo">
- [js] Add discussion of application of the above to hosts running
- multiple CPUs.
- </remark>
+ </section>
- </section>
-
</section>
<section id="multi-computer">
@@ -8941,11 +8934,6 @@
<option>--initial</option>
</para>
- <remark role="todo">
- "Initial start" sounds clumsy. See if there's a better way
- to word this. [js]
- </remark>
-
<para>
Instructs <command>ndbd</command> to perform an initial
start. An initial start erases any files created for
@@ -13543,9 +13531,7 @@
functional elements of a cluster are referred to as
<firstterm>nodes</firstterm>, and a computer housing a cluster
node is sometimes referred to as a <firstterm>cluster
- host</firstterm>. Ideally, there will be one node per cluster
- host, although it is possible to run multiple nodes on a
- single host. There are three types of nodes, each
+ host</firstterm>. There are three types of nodes, each
corresponding to a specific role within the cluster. These
are:
</para>
@@ -14100,6 +14086,11 @@
amount of overhead for the <command>ndb_mgmd</command> and
<command>ndb_mgm</command> processes.
</para>
+ <para>
+ It is acceptable to run multiple cluster data nodes on a
+ single host for learning about MySQL Cluster, or for testing
+ purposes; howver, this is not supported for production use.
+ </para>
</listitem>
<listitem>
@@ -14519,6 +14510,8 @@
nodes, each node must use a different data directory. If you
want to run multiple SQL nodes on one machine, each instance
of <command>mysqld</command> must use a different TCP/IP port.
+ However, running more than one node of a given type per
+ machine is not supported for production use.
</para>
</listitem>
Modified: trunk/refman-5.0/ndbcluster.xml
===================================================================
--- trunk/refman-5.0/ndbcluster.xml 2006-07-03 21:16:49 UTC (rev 2612)
+++ trunk/refman-5.0/ndbcluster.xml 2006-07-04 00:20:32 UTC (rev 2613)
@@ -517,12 +517,10 @@
</para>
<para>
- Each data node is usually located on a separate computer.
- However, it is also possible to host multiple data nodes on
- a single computer having more than one processor. In such
- cases, it is feasible to run one instance of
- <command>ndbd</command> per physical CPU. (Note that a
- processor with multiple cores is still a single processor.)
+ Each data node should be located on a separate computer.
+ While it is also possible to host multiple
+ <command>ndbd</command> processes on a single computer, such
+ a configuration is not supported.
</para>
<para>
@@ -679,13 +677,8 @@
to a complete set of all cluster data.
</para>
- <remark role="todo">
- [js] Add discussion of application of the above to hosts running
- multiple CPUs.
- </remark>
+ </section>
- </section>
-
</section>
<section id="multi-computer">
@@ -8903,11 +8896,6 @@
<option>--initial</option>
</para>
- <remark role="todo">
- "Initial start" sounds clumsy. See if there's a better way
- to word this. [js]
- </remark>
-
<para>
Instructs <command>ndbd</command> to perform an initial
start. An initial start erases any files created for
@@ -13907,9 +13895,7 @@
functional elements of a cluster are referred to as
<firstterm>nodes</firstterm>, and a computer housing a cluster
node is sometimes referred to as a <firstterm>cluster
- host</firstterm>. Ideally, there will be one node per cluster
- host, although it is possible to run multiple nodes on a
- single host. There are three types of nodes, each
+ host</firstterm>. There are three types of nodes, each
corresponding to a specific role within the cluster. These
are:
</para>
@@ -14471,6 +14457,11 @@
amount of overhead for the <command>ndb_mgmd</command> and
<command>ndb_mgm</command> processes.
</para>
+ <para>
+ It is acceptable to run multiple cluster data nodes on a
+ single host for learning about MySQL Cluster, or for testing
+ purposes; howver, this is not supported for production use.
+ </para>
</listitem>
<listitem>
@@ -14891,6 +14882,8 @@
nodes, each node must use a different data directory. If you
want to run multiple SQL nodes on one machine, each instance
of <command>mysqld</command> must use a different TCP/IP port.
+ However, running more than one node of a given type per
+ machine is not supported for production use.
</para>
</listitem>
Modified: trunk/refman-5.1/ndbcluster.xml
===================================================================
--- trunk/refman-5.1/ndbcluster.xml 2006-07-03 21:16:49 UTC (rev 2612)
+++ trunk/refman-5.1/ndbcluster.xml 2006-07-04 00:20:32 UTC (rev 2613)
@@ -514,12 +514,10 @@
</para>
<para>
- Each data node is usually located on a separate computer.
- However, it is also possible to host multiple data nodes on
- a single computer having more than one processor. In such
- cases, it is feasible to run one instance of
- <command>ndbd</command> per physical CPU. (Note that a
- processor with multiple cores is still a single processor.)
+ Each data node should be located on a separate computer.
+ While it is also possible to host multiple
+ <command>ndbd</command> processes on a single computer, such
+ a configuration is not supported.
</para>
<para>
@@ -676,11 +674,6 @@
to a complete set of all cluster data.
</para>
- <remark role="todo">
- [js] Add discussion of application of the above to hosts running
- multiple CPUs.
- </remark>
-
</section>
</section>
@@ -3610,10 +3603,7 @@
operating systems are generally limited to 2−4GB per
process; 64-bit operating systems can use more. For large
databases, it may be preferable to use a 64-bit operating
- system for this reason. In addition, it is also possible
- to run more than one <command>ndbd</command> process per
- machine, and this may prove advantageous on machines with
- multiple CPUs.
+ system for this reason.
</para>
</listitem>
@@ -15755,7 +15745,7 @@
<para>
Use of Disk Data tables is not supported when running the
cluster in diskless mode. Beginning with MySQL 5.1.12, it
- is disallowed altogether. (Bug # 20008)
+ is disallowed altogether. (Bug #20008)
</para>
</listitem>
@@ -16291,9 +16281,7 @@
functional elements of a cluster are referred to as
<firstterm>nodes</firstterm>, and a computer housing a cluster
node is sometimes referred to as a <firstterm>cluster
- host</firstterm>. Ideally, there will be one node per cluster
- host, although it is possible to run multiple nodes on a
- single host. There are three types of nodes, each
+ host</firstterm>. There are three types of nodes, each
corresponding to a specific role within the cluster. These
are:
</para>
@@ -16847,6 +16835,12 @@
amount of overhead for the <command>ndb_mgmd</command> and
<command>ndb_mgm</command> processes.
</para>
+
+ <para>
+ It is acceptable to run multiple cluster data nodes on a
+ single host for learning about MySQL Cluster, or for testing
+ purposes; howver, this is not supported for production use.
+ </para>
</listitem>
<listitem>
@@ -17266,6 +17260,8 @@
nodes, each node must use a different data directory. If you
want to run multiple SQL nodes on one machine, each instance
of <command>mysqld</command> must use a different TCP/IP port.
+ However, running more than one node of a given type per
+ machine is not supported for production use.
</para>
</listitem>
| Thread |
|---|
| • svn commit - mysqldoc@docsrva: r2613 - in trunk: refman-4.1 refman-5.0 refman-5.1 | jon | 4 Jul |
