[Zeek] Why does my logger keep crashing - bro version 2.6.3

Kayode Enwerem Kayode_Enwerem at ao.uscourts.gov
Mon Sep 23 06:18:21 PDT 2019

Thanks for your response. The CPU usage for the logger is at 311%. (look below).

broctl top
Name         Type    Host             Pid     VSize  Rss  Cpu   Cmd
logger       logger  localhost        22867    12G     9G 311%  bro

I wasn’t aware that you could set up multiple loggers, I tried checking the docs to see if that was an option. Does anyone know how to do this?

From: william de ping <bill.de.ping at gmail.com>
Sent: Sunday, September 22, 2019 6:42 AM
To: Kayode Enwerem <Kayode_Enwerem at ao.uscourts.gov>
Cc: zeek at zeek.org
Subject: Re: [Zeek] Why does my logger keep crashing - bro version 2.6.3


I would try to monitor the cpu \ mem usage of the logger instance.
Try running broctl top, my guess is that you will see that the logger process will have a very high cpu usage.

I know of an option to have multiple loggers but I am not sure how to set it up.

Are you writing to a file ?


On Thu, Sep 19, 2019 at 7:14 PM Kayode Enwerem <Kayode_Enwerem at ao.uscourts.gov<mailto:Kayode_Enwerem at ao.uscourts.gov>> wrote:

Why does my logger keep crashing? Can someone please help me with this. I have provided some system information below:

I am running bro version 2.6.3

  1.  Output of broctl status. The logger is crashed but the manager, proxy and workers are still running.
broctl status
Name         Type    Host             Status    Pid    Started
logger       logger  localhost        crashed
manager      manager localhost        running   17356  09 Sep 15:42:24
proxy-1      proxy   localhost        running   17401  09 Sep 15:42:25
worker-1-1   worker  localhost        running   17573  09 Sep 15:42:27
worker-1-2   worker  localhost        running   17569  09 Sep 15:42:27
worker-1-3   worker  localhost        running   17572  09 Sep 15:42:27
worker-1-4   worker  localhost        running   17587  09 Sep 15:42:27
worker-1-5   worker  localhost        running   17619  09 Sep 15:42:27
worker-1-6   worker  localhost        running   17614  09 Sep 15:42:27
worker-1-7   worker  localhost        running   17625  09 Sep 15:42:27
worker-1-8   worker  localhost        running   17646  09 Sep 15:42:27
worker-1-9   worker  localhost        running   17671  09 Sep 15:42:27
worker-1-10  worker  localhost        running   17663  09 Sep 15:42:27
worker-1-11  worker  localhost        running   17679  09 Sep 15:42:27
worker-1-12  worker  localhost        running   17685  09 Sep 15:42:27
worker-1-13  worker  localhost        running   17698  09 Sep 15:42:27
worker-1-14  worker  localhost        running   17703  09 Sep 15:42:27
worker-1-15  worker  localhost        running   17710  09 Sep 15:42:27
worker-1-16  worker  localhost        running   17717  09 Sep 15:42:27
worker-1-17  worker  localhost        running   17720  09 Sep 15:42:27
worker-1-18  worker  localhost        running   17727  09 Sep 15:42:27
worker-1-19  worker  localhost        running   17728  09 Sep 15:42:27
worker-1-20  worker  localhost        running   17731  09 Sep 15:42:27

  1.  Here’s my node.cfg settings




  1.  Heres more information on my CPU. 32 CPUs, model name – AMD, CPU max MHz is 2800.0000
Architecture:          x86_64
CPU op-mode(s):        32-bit, 64-bit
Byte Order:            Little Endian
CPU(s):                32
On-line CPU(s) list:   0-31
Thread(s) per core:    2
Core(s) per socket:    8
Socket(s):             2
NUMA node(s):          4
Vendor ID:             AuthenticAMD
CPU family:            21
Model:                 2
Model name:            AMD Opteron(tm) Processor 6386 SE
Stepping:              0
CPU MHz:               1960.000
CPU max MHz:           2800.0000
CPU min MHz:           1400.0000
BogoMIPS:              5585.93
Virtualization:        AMD-V
L1d cache:             16K
L1i cache:             64K
L2 cache:              2048K
L3 cache:              6144K
NUMA node0 CPU(s):     0,2,4,6,8,10,12,14
NUMA node1 CPU(s):     16,18,20,22,24,26,28,30
NUMA node2 CPU(s):     1,3,5,7,9,11,13,15
NUMA node3 CPU(s):     17,19,21,23,25,27,29,31

  1.  Would also like to know how I can reduce my packet loss. Below is the output of broctl netstats
broctl netstats
worker-1-1: 1568908277.861813 recvd=12248845422 dropped=5171188999 link=17420313882
worker-1-2: 1568908298.313954 recvd=8636707266 dropped=971489 link=8637678939
worker-1-3: 1568908278.425888 recvd=11684808853 dropped=5617381647 link=17302473791
worker-1-4: 1568908285.731130 recvd=12567242226 dropped=4339688288 link=16907212802
worker-1-5: 1568908298.363911 recvd=8620499351 dropped=24595149 link=8645095758
worker-1-6: 1568908298.372892 recvd=8710565757 dropped=1731022 link=8712297432
worker-1-7: 1568908298.266010 recvd=9065207444 dropped=53523232 link=9118737229
worker-1-8: 1568908286.935607 recvd=11377790124 dropped=3680887247 link=15058934491
worker-1-9: 1568908298.419657 recvd=8931903322 dropped=39696184 link=8971604219
worker-1-10: 1568908298.478576 recvd=8842874030 dropped=2501252 link=8845376352
worker-1-11: 1568908298.506649 recvd=8692769329 dropped=2253413 link=8695025626
worker-1-12: 1568908298.520830 recvd=8749977028 dropped=2314733 link=8752293714
worker-1-13: 1568908298.544573 recvd=9101243757 dropped=1779460 link=9103025399
worker-1-14: 1568908291.370011 recvd=10876925726 dropped=775722632 link=11652810353
worker-1-15: 1568908298.579721 recvd=8503097394 dropped=1420699 link=8504520066
worker-1-16: 1568908298.594942 recvd=8515164266 dropped=1840977 link=8517006779
worker-1-17: 1568908298.646966 recvd=10666567717 dropped=466489754 link=11133059283
worker-1-18: 1568908298.671246 recvd=9023603573 dropped=2037607 link=9025642263
worker-1-19: 1568908298.704675 recvd=8907784186 dropped=1164594 link=8908950238
worker-1-20: 1568908298.718084 recvd=9140525444 dropped=2028593 link=9142555259

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