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https://issues.apache.org/jira/browse/IGNITE-14226?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Sergei Ryzhov reassigned IGNITE-14226:
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Assignee: Sergei Ryzhov (was: Dmitriy Sorokin)
> Ducktape tests of rebalance
> ---------------------------
>
> Key: IGNITE-14226
> URL: https://issues.apache.org/jira/browse/IGNITE-14226
> Project: Ignite
> Issue Type: Test
> Reporter: Dmitriy Sorokin
> Assignee: Sergei Ryzhov
> Priority: Major
>
> There should be tests of rebalance for both in-memory caches and persistent
> caches.
> In case of persistent caches, the tests also should check both modes of
> rebalance: full and historical (asserts is needed that the proper mode of
> rebalance was worked).
> Basic scenario:
> Testing of rebalance triggered by two event types: node join and node left
> the topology (baseline change in persistent mode).
> Extended scenario:
> Node join or left during rebalance process.
> Test parameters:
> # Initial node count (derived from test context);
> # Cache count - the count of caches to create and data preload;
> # Cache entry count - the count of entries per cache to preload;
> # Cache entry size - the size of each cache entry in bytes;
> # Rebalance thread pool size - the value for
> {{IgniteConfiguration#rebalanceThreadPoolSize}} property (see [configuring
> rebalance thread pool
> title|https://ignite.apache.org/docs/latest/data-rebalancing#configuring-rebalance-thread-pool]),
> expected that greater value makes rebalance faster.
> # Rebalance batch size - the value for
> {{IgniteConfiguration#rebalanceBatchSize}} property (see [other rebalance
> properties|https://ignite.apache.org/docs/latest/data-rebalancing#other-properties]),
> expected that greater value makes rebalance faster on large data or
> [throttling|https://ignite.apache.org/docs/latest/data-rebalancing#throttling]
> enabled (rebalanceThrottling > 0).
> # Rebalance throttle - the value for
> {{IgniteConfiguration#rebalanceThrottle}} property (see [rebalance message
> throttling|https://ignite.apache.org/docs/latest/data-rebalancing#throttling],
> [other rebalance
> properties|https://ignite.apache.org/docs/latest/data-rebalancing#other-properties]),
> 0 - throttling disabled, greater value makes rebalance slower.
> Test result: time taken to rebalance process.
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