I have tried to send an email via Mail>>operations>>send email and it crashed the server. I did not happen once again (yet).
We use an external gw for emails, though external gw does not start on the linux server (it starts on the windows). Error on linux is 2017-03-09 13:54:25 database cache may be max 80% of physical RAM (physical RAM is: 0bytes, attempted to use: 100000bytes for DB cache)


What could be the reason? Here is an excerpt from the log:

2017-03-14 11:33:11 SYSTEM El. pašto siuntimas iš Aldevinas Katkus
2017-03-14 11:33:12 GATE looking for: 2,4,10,14,16,20 0|0|2017-03-14>18 003 800 >8; :18 980 800 080.002?;4?|11:33:9.0|0|12212
2017-03-14 11:33:12 GATE in index: 0:EMailQueVc:SENDING
2017-03-14 11:33:12 GATE D4IndexDelete found no record
2017-03-14 11:33:12 GATE dump of call stack
2017-03-14 11:33:12 GATE D4IndexDelete found no record, now dumping index:
2017-03-14 11:33:12 GATE new clean node at: 343090688 with 5 atoms and 11592 logical children
2017-03-14 11:33:12 GATE key: 2,4,10,14,16,20 1|0|2004-11-04=48 00; 800 48< 85: 280 800 080.000004|12:5:34.0|0|4, daughter: 1204705280
2017-03-14 11:33:12 GATE new clean node at: 1204705280 with 7 atoms and 2401 logical children
2017-03-14 11:33:12 GATE key: 2,4,10,14,16,20 1|0|2004-11-04=48 00; 800 48< 85: 280 800 080.000004|12:5:34.0|0|4, daughter: 902260224
2017-03-14 11:33:12 GATE new clean node at: 902260224 with 7 atoms and 343 logical children
2017-03-14 11:33:12 GATE key: 2,4,10,14,16,20 1|0|2004-11-04=48 00; 800 48< 85: 280 800 080.000004|12:5:34.0|0|4, daughter: 313197568
2017-03-14 11:33:12 GATE new clean node at: 313197568 with 7 atoms and 49 logical children
2017-03-14 11:33:12 GATE key: 2,4,10,14,16,20 1|0|2004-11-04=48 00; 800 48< 85: 280 800 080.000004|12:5:34.0|0|4, daughter: 629708800
2017-03-14 11:33:12 GATE new clean node at: 629708800 with 7 atoms and 7 logical children
2017-03-14 11:33:12 GATE key: 2,4,10,14,16,20 1|0|2004-11-04=48 00; 800 48< 85: 280 800 080.000004|12:5:34.0|0|4, record: 1279900947968
2017-03-14 11:33:12 GATE key: 2,4,10,14,16,20 1|0|2004-11-08=48 00; 800 889 :99 880 800 080.000007|9:41:24.0|0|7, record: 1297080817152
2017-03-14 11:33:12 GATE key: 2,4,10,14,16,20 1|0|2004-11-10=48 00; 800 :8> 91; 380 800 080.000009|14:17:51.0|0|9, record: 1301375784448
2017-03-14 11:33:12 GATE key: 2,4,10,14,16,20 1|0|2004-11-18=48 00; 801 28> 848 480 800 080.00000:|14:4:4.0|0|10, record: 1305670751744
2017-03-14 11:33:12 GATE key: 2,4,10,14,16,20 1|0|2004-11-18=48 00; 801 28> 859 880 800 080.00000;|14:5:24.0|0|11, record: 1309965719040
2017-03-14 11:33:12 GATE key: 2,4,10,14,16,20 1|0|2004-11-18=48 00; 801 28> 869 180 800 080.00000<|14:6:17.0|0|12, record: 1314260686336
2017-03-14 11:33:12 GATE key: 2,4,10,14,16,20 1|0|2004-11-18=48 00; 801 290 :49 680 800 080.00000=|16:36:22.0|0|13, record: 1318555653632
2017-03-14 11:33:12 GATE end of node
2017-03-14 11:33:12 GATE
2017-03-14 11:33:12 GATE key: 2,4,10,14,16,20 1|0|2004-11-22=48 00; 801 68> 8:: 880 800 080.00000>|14:10:40.0|0|14, daughter: 789494272
2017-03-14 11:33:12 GATE new clean node at: 789494272 with 7 atoms and 7 logical children



//Aldevinas