Alexei Scherbakov created IGNITE-10912:
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Summary: Huge node join request discovery message slows down node
joining and corresponding PME
Key: IGNITE-10912
URL: https://issues.apache.org/jira/browse/IGNITE-10912
Project: Ignite
Issue Type: Improvement
Reporter: Alexei Scherbakov
Fix For: 2.8
WIth large topology and large number of caches/groups node join message can
reach a size > 30M due to a large amount of transferred discovery data.
It adds overhead on ring traversal and slows down "node join" PME.
Possible solution:
# introduce pre-join message with discovery data which doesn't increment
topology version. After all nodes wil have corressponding discovery data start
actual joining. Discovery data probably should be stored off-heap(or even on
disk) to avoid heap usage bursts on joining of multiple nodes.
# Add compression to discovery data.
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