Re: uburst log headed with 0s

Alfredo Cardigliano <[email protected]> Mon, 4 Jun 2018 18:44:54 +0200
Newsgroups	gmane.linux.ntop.general
Message-ID	<[email protected]>
The binary is compiled with 3.1.1.1, I guess the API is the same, it should work.

Alfredo

> On 4 Jun 2018, at 18:40, Jeff Bacon <[email protected]> wrote:
> 
> will this work with the fiberblaze 3.1.0.1 release still?
> 
>> -----Original Message-----
>> From: [email protected] [mailto:ntop-
>> [email protected]] On Behalf Of Alfredo Cardigliano
>> Sent: Friday, June 1, 2018 12:12 PM
>> To: [email protected]
>> Cc: [email protected]
>> Subject: Re: [Ntop] uburst log headed with 0s
>> 
>> Hi Jeff
>> I tried to reproduce this with no success, that means it happens under
>> some condition,
>> anyway I made some change to the code to make sure it flushes the
>> buffer correctly,
>> new packages will be available soon (30 min from now), please check if
>> you still see
>> this issue and let me know.
>> 
>> Thank you
>> Alfredo
>> 
>>> On 31 May 2018, at 17:36, Alfredo Cardigliano <[email protected]>
>> wrote:
>>> 
>>> Hi Jeff
>>> could you send me a log file to check what’s happening? I am not sure
>> I understood.
>>> 
>>> Thank you
>>> Alfredo
>>> 
>>>> On 31 May 2018, at 17:32, Jeff Bacon <[email protected]>
>> wrote:
>>>> 
>>>> we have uburst monitoring enabled, but our logs always seem to get
>> headed with a pile of NULs. It seems to be being written as a sparse
>> file so the file doesn't take up much disk, but it's awfully hard to
>> parse. this is with 3.1.180226.
>>>> 
>>>> --interface fbcard:0:a:00
>>>> -P=/var/run/n2disk-fbcard:0:a:00.pid
>>>> -s 9000
>>>> --chunk-len 128
>>>> --buffer-len 4096
>>>> --dump-directory /srv/pcaps/7ticks-A/dumps
>>>> --max-file-len 512
>>>> --max-file-duration 900
>>>> --file-prefix fbcard:0:a:0-
>>>> --max-nested-dirs 10
>>>> --max-num-files 1000
>>>> --hugepages
>>>> --timeline-dir /srv/pcaps/7ticks-A/timeline
>>>> --reader-cpu-affinity 10
>>>> --writer-cpu-affinity 12
>>>> --compressor-cpu-affinity 32,34,36,38
>>>> --uburst-detection
>>>> --uburst-log /var/log/n2disk/uburst-fbcard:0:a:0.log
>>>> --uburst-win-size 100
>>>> --uburst-link-speed 10000
>>>> --uburst-threshold 80
>>>> --pcap-compression
>>>> --cluster-id 1
>>>> --index
>>>> --index-on-compressor-threads
>>>> --nanoseconds
>>>> 
>>>> any thoughts?
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