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Posted to user@cassandra.apache.org by onmstester onmstester <on...@zoho.com.INVALID> on 2020/10/27 08:21:52 UTC

OOM on ccm with large cluster on a single node

Hi, 



I'm using ccm to create a cluster of 80 nodes on a physical server with 10 cores and 64GB of ram, but always the 43th node could not start with error:

java.lang.OutOfMemoryError: unable to create new native thread



apache cassandra 3.11.2

cassandra xmx600M

30GB of memory is still free (according to free -m)

umilit -u: 255K

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