Re: InfluxDB Configuration

Hi Emanuele,

Thank you for your answering.
I understood.

Best Regards,
Ebihara

> -----Original Message-----
> From: [email protected]
> [mailto:[email protected]] On Behalf Of Emanuele Faranda
> Sent: Monday, November 26, 2018 6:19 PM
> To: [email protected]
> Cc: Sato Mariko( ) <[email protected]>; Yamashita
> Kazuhiko( ) <[email protected]>
> Subject: Re: [Ntop] InfluxDB Configuration
> 
> Hi Chiaki,
> 
> Please see below.
> 
> 
> On 11/26/18 7:05 AM, Chiaki Ebihara wrote:
> 
> 
> 	Hi All
> 
> 	I have set up InfluxDB and checked the historoical chart of
> Interface and Host details.
> 	I have 4 questions.
> 
> 	1) I specified InfluxDB Storage as "2".
> 	In that case, the data shown in host.details (except for Flows)
> are the cumulative data of the period spcified at InfluxDB Storage?
> 	Or InfluxDB setting does not affect those menues?
> 
> No, this is not affected. This data is cumulative since the start of the
> ntopng service.
> 
> 	2)I specified InfluxDB Storage as "2", however it seems older data
> remains in the influxDB.
> 	I assumed that historical data older than 2 days should be deleted
> from influxDB.
> 
> I experience the same behaviour. It seems like the cleanup occurs in 24
> hours:
> 
> 
> https://community.influxdata.com/t/retention-policies-not-removing-old
> -data/2047/2
> 
> 	3)When I select certain protocol (e.g. SSH) on the "Timeseries"
> and click the graph to zoom.
> 	It shows "No data found" even though I clicked on the graph where
> "byte_rcvd" and "byte_sent" exist.
> 	Does it mean the data specified date does not exist in the influxDB?
> 
> Please update to the new 3.7 version of ntopng which has many fixes. 3.5
> is not supported anymore.
> 
> 	4)When I go to historical chart of host, I see the error
> 	"HTTP/1.1 500 Internal server error Content-Type:text/html
> Connection: Close ! scriipt
> "/usr/share/ntopng/scripts/lua/host_details.lua" returned an error:
> 	/usr/share/ntopng/scripts/lua/modules/grph_utils.lua:579:
> 	Atempt to index local 'stat' (a nil value) My ntopng version is
> v3.5.181112
> 
> Please see the answer above.
> 
> 
> 
> 
> Regards,
> 
> Emanuele
> 
> 
> 
> 
> 	I attach the screenshot of Preference and error message.
> 
> 	Best Regards,
> 	Ebihara
> 
> 
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