Ok, now I want to know what is flexing a log-stream ?:)

cheers


On 04/01/2010 08:30 PM, Nikos Balkanas wrote:
> Just to clarify:
> 
> Lighty is lighttpd, and Seikath's ISS is actually IIS ;-)
> 
> @Seikath: You have not tried the best of all: flexing a log-stream!
> Fastest and lighter than all the rest. You can even do all the db
> pooling you want by batching inserts together in real time (of course it
> is up to you to code this part) ;-)
> 
> Nikos
> ----- Original Message ----- From: "seikath" <seik...@gmail.com>
> To: <users@kannel.org>
> Sent: Thursday, April 01, 2010 8:16 PM
> Subject: Re: Too many dlr at once
> 
> 
>> In general DLR is not so important info to be injected right away into
>> the database.
>> if you have high load of MO/DLR, consider db pooling and even better,
>> drop the http requests.
>> The Apache or Lighty or even ISS can handle the traffic you have
>> mentioned with no issues.
>> What I do for high load of MO/DLR, is either use sqlbox to handle it,
>> either simply write directly to simple xml files.
>> OR, you may parse the kannel logs, which will require some regexp skills.
>> I used to implement all of the above, according to the specific projects.
>>
>> The XML files easily can be loaded later in a queue in the database.
>>
>>
>> On 04/01/2010 06:33 PM, Gabor Maros wrote:
>>>
>>> Thanks Nikos,
>>>
>>> it may help but there is another problem i haven't mentioned before.
>>> We have
>>> a webapplication that receives dlrs from kannel. If kannel gets 10k
>>> dlr in
>>> one sec then kannel tries to send all of them in the same sec to the
>>> app.
>>> This behaviour kills the app (and the database behind it) because it
>>> gets
>>> 10000 http connections in one sec which is quite huge amount
>>> according to
>>> our peaktime when there is 25 SMs/sec.
>>> Unfortunately we are not the NASA with unimaginable computing
>>> capacity, so
>>> the ideal solution for us would be a parameter that tells kannel how
>>> many
>>> connections are allowed in one sec.
>>>
>>> Bye,
>>> Gabor
>>>
>>>
>>>
>>> Nikos Balkanas wrote:
>>>>
>>>> Hi,
>>>>
>>>> Check if you havd /etc/hosts, and if you do you should have
>>>> specified your
>>>> gateway.
>>>>
>>>> Also check if named is running (Linux)
>>>>
>>>> BR,
>>>> Nikos
>>>> ----- Original Message ----- From: "Gabor Maros"
>>>> <gabor.ma...@erstebank.hu>
>>>> To: <users@kannel.org>
>>>> Sent: Thursday, April 01, 2010 12:58 PM
>>>> Subject: Too many dlr at once
>>>>
>>>>
>>>>
>>>> Hi,
>>>>
>>>> I've got a kannel install with emi smsc connection.
>>>> When we send lots of sms to the smsc at once the delivery notifications
>>>> only
>>>> come at the end when kannel's queue is empty. Smsc only accepts 10-15
>>>> SM/sec
>>>> but can send back horrible amount at once. This is a problem for us
>>>> because
>>>> kannel gets thousands of dlrs in one second and ERROR messages
>>>> appear in
>>>> smsbox.log:
>>>>
>>>> 2010-04-01 08:21:17 [4834] [4] INFO: Starting delivery report <sms>
>>>> from
>>>> <0036303444481>
>>>> 2010-04-01 08:21:17 [4834] [4] INFO: Starting delivery report <sms>
>>>> from
>>>> <0036303444481>
>>>> 2010-04-01 08:21:17 [4834] [4] INFO: Starting delivery report <sms>
>>>> from
>>>> <0036303444481>
>>>> 2010-04-01 08:21:17 [4834] [4] INFO: Starting delivery report <sms>
>>>> from
>>>> <0036303444481>
>>>> 2010-04-01 08:21:17 [4834] [4] INFO: Starting delivery report <sms>
>>>> from
>>>> <0036303444481>
>>>>
>>>> …after thousands of such normal logrecords we can see
>>>> thousands of the
>>>> following:
>>>>
>>>> 2010-04-01 08:21:18 [4834] [9] ERROR: Error while gw_gethostbyname
>>>> occurs.
>>>> 2010-04-01 08:21:18 [4834] [9] ERROR: System error 2: No such file or
>>>> directory
>>>> 2010-04-01 08:21:18 [4834] [9] ERROR: gethostbyname failed
>>>> 2010-04-01 08:21:18 [4834] [9] ERROR: error connecting to server
>>>> `xxxx' at
>>>> port `yyy'
>>>> 2010-04-01 08:21:18 [4834] [9] ERROR: Couldn't send request to
>>>> <https://xyz>
>>>> 2010-04-01 08:21:18 [4834] [9] ERROR: Error while gw_gethostbyname
>>>> occurs.
>>>> 2010-04-01 08:21:18 [4834] [9] ERROR: System error 2: No such file or
>>>> directory
>>>> 2010-04-01 08:21:18 [4834] [9] ERROR: gethostbyname failed
>>>> 2010-04-01 08:21:18 [4834] [9] ERROR: error connecting to server
>>>> `xxxx' at
>>>> port `yyy'
>>>> 2010-04-01 08:21:18 [4834] [9] ERROR: Couldn't send request to
>>>> <https://xyz>
>>>> 2010-04-01 08:21:18 [4834] [9] ERROR: Error while gw_gethostbyname
>>>> occurs.
>>>> 2010-04-01 08:21:18 [4834] [9] ERROR: System error 2: No such file or
>>>> directory
>>>> 2010-04-01 08:21:18 [4834] [9] ERROR: gethostbyname failed
>>>> 2010-04-01 08:21:18 [4834] [9] ERROR: error connecting to server
>>>> `xxxx' at
>>>> port `yyy'
>>>> 2010-04-01 08:21:18 [4834] [9] ERROR: Couldn't send request to
>>>> <https://xyz>
>>>> 2010-04-01 08:21:18 [4834] [9] ERROR: Error while gw_gethostbyname
>>>> occurs.
>>>> 2010-04-01 08:21:18 [4834] [9] ERROR: System error 2: No such file or
>>>> directory
>>>> 2010-04-01 08:21:18 [4834] [9] ERROR: gethostbyname failed
>>>> 2010-04-01 08:21:18 [4834] [9] ERROR: error connecting to server
>>>> `xxxx' at
>>>> port `yyy'
>>>> 2010-04-01 08:21:18 [4834] [9] ERROR: Couldn't send request to
>>>> <https://xyz>
>>>> 2010-04-01 08:21:18 [4834] [9] ERROR: Error while gw_gethostbyname
>>>> occurs.
>>>> 2010-04-01 08:21:18 [4834] [9] ERROR: System error 2: No such file or
>>>> directory
>>>>
>>>>  Is there a configuration parameter that change this behavior and we
>>>> can
>>>> slow it down?
>>>> I don’t know why it is happen but there must be some kind of
>>>> limit (I
>>>> think
>>>> it is not an open file issue but something similar).
>>>> Maybe there is another side effect (but I’m not sure yet) in
>>>> connection
>>>> with
>>>> DLR database because the number of SMs that are not in the end phase
>>>> (delivered or can’t be delivered) are growing.
>>>>
>>>> Thanks,
>>>> Gabor
>>>>
>>>> -- 
>>>> View this message in context:
>>>> http://old.nabble.com/Too-many-dlr-at-once-tp28106589p28106589.html
>>>> Sent from the Kannel - User mailing list archive at Nabble.com.
>>>>
>>>>
>>>>
>>>>
>>>>
>>>
>>
>>
> 
> 
> 
> 

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