29 lines
1.1 KiB
Text
Executable file
29 lines
1.1 KiB
Text
Executable file
|
|
[[_clustering_db_lock]]
|
|
=== Serialized Cluster Startup
|
|
|
|
{{book.project.name}} cluster nodes are allowed to boot concurrenty.
|
|
When {{book.project.name}} server instance boots up it may do some database migration, importing, or first time initializations.
|
|
A DB lock is used to prevent start actions from conflicting with one another when cluster nodes boot up concurrently.
|
|
|
|
By default, the maximum timeout for this lock is 900 seconds. If a node is waiting on this lock for more than the timeout
|
|
it will fail to boot.
|
|
Typically you won't need to increase/decrease the default value, but just in case it's possible to configure it in
|
|
`standalone.xml`, `standalone-ha.xml`, or `domain.xml` file in your distribution. The location of this file
|
|
depends on your <<fake/../../operating-mode.adoc#_operating-mode, operating mode>>.
|
|
|
|
[source,xml]
|
|
----
|
|
<spi name="dblock">
|
|
<provider name="jpa" enabled="true">
|
|
<properties>
|
|
<property name="lockWaitTimeout" value="900"/>
|
|
</properties>
|
|
</provider>
|
|
</spi>
|
|
----
|
|
|
|
{% if book.community %}
|
|
If you are using Mongo DB replace `jpa` with `mongo`.
|
|
{% endif %}
|
|
|