Ivan Daschinskiy created IGNITE-14003:
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Summary: OOM on creating rebalance iterator while rebalancing
cache with large values.
Key: IGNITE-14003
URL: https://issues.apache.org/jira/browse/IGNITE-14003
Project: Ignite
Issue Type: Bug
Affects Versions: 2.9.1, 2.8.1, 2.9
Reporter: Ivan Daschinskiy
Scenario
1. Start replicated cache on ignite node, memory region approx 6 Gb, heap 1Gb
2. Load significant amount of data to cache with values approx 200Kb (~20K kv
pairs)
3. Start another node
First node (supplier) will crash while initializing rebalance iterator with OOM
Main reason -- all values, to whon pointed from leaf of BTree, are all loaded
to buffer in BPlusTree#ForwardCursor. For replicated cache, 512 iterators for
each partition are created at once.
Reproducer is attached.
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