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We checked the rebalancing time on the prototype with the proposed changes in FreeList (cluster of on the following configuration:

Cluster: 2 nodes
Cache: transactional,

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partitioned 1024 partitions, 1 backup
Data size: 40 GB
Page size: 4096 bytes
Rebalance message size: 512 KB
Count of prefetch messages: 10

The improvement in rebalancing time with batch insertion is mostly noticeable when writing small objects and decreases on larger objects cache, 1 backup, 1024 partitions).

Entry size (bytes)100-200200-500500-800700-800800-1200
Improvement (%)22199.582

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Jira
serverASF JIRA
columnskey,summary,type,updated,assignee,reporter,priority,status,resolution
maximumIssues20
jqlQueryproject = Ignite AND labels IN (iep-32) order by key
serverId5aa69414-a9e9-3523-82ec-879b028fb15b
The improvement in rebalancing time when using batch insertion is mostly noticeable when writing small objects and decreases with increasing object size.the improvement in total rebalancing time is reduced in cases of demander idle waiting for the next messages from the supplier