[jira] [Updated] (IGNITE-16931) Read Repair should support unstable topology

["Anton Vinogradov (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/IGNITE-16931?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Anton Vinogradov updated IGNITE-16931:
--------------------------------------
        Parent: IGNITE-15167
    Issue Type: Sub-task  (was: Improvement)

> Read Repair should support unstable topology
> --------------------------------------------
>
>                 Key: IGNITE-16931
>                 URL: https://issues.apache.org/jira/browse/IGNITE-16931
>             Project: Ignite
>          Issue Type: Sub-task
>            Reporter: Anton Vinogradov
>            Assignee: Anton Vinogradov
>            Priority: Major
>              Labels: iep-31
>
> Currently RR does not support unstable topology (when not all owners are located by affinity) and this can be fixed.
> As a start point, it's a good idea to consider a replacement
> {noformat}
> for (KeyCacheObject key : keys) {
>                 List<ClusterNode> nodes = ctx.affinity().nodesByKey(key, topVer); // affinity
>                 primaryNodes.put(key, nodes.get(0));
> ...
> {noformat}
> to
> {noformat}
> for (KeyCacheObject key : keys) {
>                 List<ClusterNode> nodes = ctx.topology().nodes(key.partition(), topVer); // topology
>                 primaryNodes.put(key, nodes.get(0));
> ...
> {noformat}
> at {{{}org.apache.ignite.internal.processors.cache.distributed.near.consistency.GridNearReadRepairAbstractFuture#map{}}}.



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