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Memory configuration in NuoDB

Hello. I need help with memory configuration in NuoDB. We have a problem which looks like a memory leak. 

CentOS 7.3
NuoDB 2.6.2 Community Edition
Template: Single Host
1 TE 1 SM on the same host
The host has 16GB of RAM
The "mem" database option has default value

The "free -m" command shows that available memory becomes less and less with time. I use "ps -e -orss=,args= | sort -b -k1,1n | pr -TW$COLUMNS" command to see memory consumed by every process. Then I run "show process memory" in nuodbmgr utility to check the memory allocation of NuoDB TE process. The memory that NuoDB TE process consumes is constantly goes up until it eats all of the available memory and crushes.

Any suggestions? Is there any way to limit amount of memory that NuoDB allocates?

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