Out of memory

Looks like this solved the issue, thank you for your help.

very strange behavior then.

Try disable extra caching in config.php:

$config['cache']['enable_cli']             = FALSE;

It used with remote rrdcached.

I think you have too small memory size installed on server.. Not know why you get this errors.
 
Show output for:

free -lh

./discovery.php -VV

General questions and device support can be discussed in our Discord channel, click here to join.

Please make and attach additional information about the device:

• full snmp dump from device:

  snmpwalk -v2c -c <community> -t 3 -Cc --hexOutputLength=0 -ObentxU <hostname> .1 > myagent.snmpwalk

  snmpwalk -v2c -c <community> -t 3 -Cc --hexOutputLength=0 -ObentxU <hostname> .1.3.6.1.4.1 >> myagent.snmpwalk

  If device not support SNMP version 2c, replace -v2c with -v1.

• If you have problems with discovery or poller processes, please do and attach these debugs:

  ./discovery.php -d -h <device>

  ./poller.php -d -h <device>

• additionally attach device and/or vendor specific MIB files

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