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https://issues.apache.org/jira/browse/IGNITE-4435?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16545063#comment-16545063
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Ryabov Dmitrii commented on IGNITE-4435:
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[~sergey-chugunov], looks like ticket wasn't finished -
{{filterDuplicatedData}} wasn't removed and still contains
[TODO|https://github.com/apache/ignite/blob/0d82f1004c72dd3881e453e555e9803ecd889c74/modules/core/src/main/java/org/apache/ignite/spi/discovery/tcp/internal/DiscoveryDataPacket.java#L324]
comment with link to this ticket.
> Discovery data distribution process optimization
> ------------------------------------------------
>
> Key: IGNITE-4435
> URL: https://issues.apache.org/jira/browse/IGNITE-4435
> Project: Ignite
> Issue Type: Improvement
> Components: general
> Reporter: Sergey Chugunov
> Priority: Major
>
> h2. Notes
> Previously upon new node joining topology grid components on each node has
> been collecting discovery data independently from the same components on
> other nodes.
> This lead to a situation when *TcpDiscoveryNodeAddedMessage* and
> *TcpDiscoveryNodeAddFinishedMessage* carried a lot of duplicated data wasting
> network traffic.
> Refactoring done within
> [IGNITE-4157|https://issues.apache.org/jira/browse/IGNITE-4157] introduced a
> way to reduce duplication, but only *GridMarshallerMappingProcessor*
> component took advantage of it.
> h2. Acceptance Criteria
> * Identify all components needed to be optimized in terms of discovery data
> collection.
> * Refactor them to reduce duplication of discovery data.
> * Remove *filterDuplicatedData* method as obsolete from
> *DiscoveryDataContainer* when refactoring is done.
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