Hi,

not too long ago I tested apache ignite for my use case on Open JDK 11. The
use case consists of writing cache entries with values going up to 800MB in
size, the data itself being a simple string. After writing 5 caches
entries, 800 MB each, I noticed my Heap space exploding up to 11GB, while
the entries themselves were written off-heap. The histogram of the heap
dump shows that there are 5 tuples of byte[] arrays with size 800MB and
1000MB that are left dangling on heap.  I am very curious if I did
something wrong or if there indeed is an issue in Ignite. All details can
be seen on
https://stackoverflow.com/questions/64550479/possible-memory-leak-in-apache-ignite

Should I create a jira ticket for this issue?

Best regards,
Kalin Katev

Resonance GmbH

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