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https://issues.apache.org/jira/browse/IGNITE-10135?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16675697#comment-16675697
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Prachi Garg commented on IGNITE-10135:
--------------------------------------
[~syssoftsol],
1. The edits you suggested in the documentation ( in "Crash-safe Affinity"
callout on
[https://apacheignite.readme.io/docs/affinity-collocation|https://apacheignite.readme.io/docs/affinity-collocation_]
page)
"`ClusterNodeAttributeAffinityBackupFilter ` can be used to create an
`AffinityBackupFilter` which separates primary and backup based on the nodes'
values for some environment variable, e.g., AVAILABILITY_ZONE.",
is this applicable for Ignite version 2.7 and later, or is it applicable for
current version too?
2. Does the environment variable "AVAILABILITY_ZONE" need to be set to
configure ClusterNodeAttributeAffinityBackupFilter?
3. You have mentioned - "some environment variable, e.g., AVAILABILITY_ZONE".
Are there other environment variable too that need to be set to use this
functionality?
> Documentation link to ClusterNodeAttributeAffinityBackupFilter
> --------------------------------------------------------------
>
> Key: IGNITE-10135
> URL: https://issues.apache.org/jira/browse/IGNITE-10135
> Project: Ignite
> Issue Type: Improvement
> Components: documentation
> Reporter: David Harvey
> Priority: Major
> Fix For: 2.7
>
>
> IGNITE-9365 adds ClusterNodeAttributeAffinityBackupFilter to allow
> "Crash-safe Affinity"
> ([https://apacheignite.readme.io/docs/affinity-collocation|https://apacheignite.readme.io/docs/affinity-collocation_])
> to be configured from spring.
> The class should have an adequate description of how to set this up, but the
> above section should link to or otherwise flag that such a procedure exist.
> [https://github.com/apache/ignite/blob/master/modules/core/src/main/java/org/apache/ignite/cache/affinity/rendezvous/ClusterNodeAttributeAffinityBackupFilter.java]
>
> Note: the implementation is generic, allowing any node attribute (or
> environment variable) to be configured so that primary and backup's are
> always forced to not be on the same node.
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