[SR-Users] MTREE reload question

Uri Shacked ushacked at gmail.com
Tue Sep 11 10:12:14 CEST 2012


Thanks.
Will it ork on pkg as well?

On 9/11/12, Daniel-Constantin Mierla <miconda at gmail.com> wrote:
> Hello,
>
> On 9/10/12 2:27 PM, Uri Shacked wrote:
>> thanks a lot.
>> so as i undestand, the real_used_size is the right value to calculate
>> size. but, it grows because of fragmentation data.
>> in the core, what does it mean "It is effective if MEM_JOIN_FREE
>> compile option is defined"
>> is there something else i need to do except adding to the cfg the
>> mem_join=1 ?
> no, iirc MEM_JOIN_FREE is enabled by default -- this is an option to
> turn the feature off at compile time. Let us know if the number of
> fragments is lower.
>
> Cheers,
> Daniel
>
>>
>> On Mon, Sep 10, 2012 at 2:39 PM, Daniel-Constantin Mierla
>> <miconda at gmail.com <mailto:miconda at gmail.com>> wrote:
>>
>>     Hello,
>>
>>
>>     On 9/10/12 1:14 PM, Uri Shacked wrote:
>>>
>>>     Thanks,
>>>
>>>     The stuff i sent is from my test server that has 3.3.1 installed.
>>>
>>>     On my prod servers i use 3.2.x.
>>>
>>>     how would you explain that when kamailio starts (on prod with
>>>     similar data and same cfg) it take around 20% of the shmem, after
>>>     reload 30% and in time (6-8 weeks) it gets up to 39% ?
>>>
>>
>>     if used_size does not have variations, then it is no leak. The
>>     variations of real_used_size is from fragmentation management --
>>     each fragment has a structure associated to it.
>>
>>     Cheers,
>>     Daniel
>>
>>
>>>     I start with 4G of shmem.
>>>
>>>     It feels like a leak but i have trouble investigating it....
>>>     where would you look? The reload, the dialog or the avp's?
>>>
>>>     BR,
>>>
>>>     Uri
>>>
>>>
>>>
>>>     On Mon, Sep 10, 2012 at 11:06 AM, Daniel-Constantin Mierla
>>>     <miconda at gmail.com <mailto:miconda at gmail.com>> wrote:
>>>
>>>         Hello,
>>>
>>>         the used size is pretty much the same after the reload, so
>>>         doesn't look as leak. If you do 2-3 reloads is
>>>         shmem:used_size staying around same value?
>>>
>>>         It is clear boost in the fragments, I would say that after
>>>         start the number of fragments is quite low, because it should
>>>         contain the good records in memory as well.
>>>
>>>         Btw, the version 3.3.x has options for defragmentation, see
>>>         the core cookbook, you can enable it.
>>>
>>>         Cheers,
>>>         Daniel
>>>
>>>
>>>
>>>         On 9/9/12 10:18 AM, Uri Shacked wrote:
>>>>         Hi,
>>>>         here is the statistics after kamailio starts:
>>>>         shmem:fragments = 28
>>>>         shmem:free_size = 3800871312
>>>>         shmem:max_used_size = 494132368
>>>>         shmem:real_used_size = 494095984
>>>>         shmem:total_size = 4294967296
>>>>         shmem:used_size = 342642072
>>>>         here it is after reload of the num table:
>>>>         shmem:fragments = 9161531
>>>>         shmem:free_size = 3654274496
>>>>         shmem:max_used_size = 959885552
>>>>         shmem:real_used_size = 640692800
>>>>         shmem:total_size = 4294967296
>>>>         shmem:used_size = 342654552
>>>>         here is the cfg part for mtree:
>>>>         #------- mtree params -------------
>>>>         modparam("mtree", "db_url", CFGDB)
>>>>         modparam("mtree", "mtree",
>>>>         "name=odr;dbtable=service_odr_view;type=0;")
>>>>         modparam("mtree", "mtree",
>>>>         "name=oper;dbtable=service_oper_type;type=0;")
>>>>         modparam("mtree", "mtree",
>>>>         "name=permis;dbtable=service_permisions_to_oper;type=0;")
>>>>         modparam("mtree", "mtree",
>>>>         "name=num;dbtable=service_numbers_to_areas_view;type=0;")
>>>>         modparam("mtree", "char_list", "0123456789")
>>>>         modparam("mtree", "pv_value", "$avp(mtval)")
>>>>         modparam("mtree", "pv_values", "$avp(mtvals)")
>>>>         here is the number of raws from the DB:
>>>>         SELECT count(*) FROM
>>>>         `service`.`service_numbers_to_areas_view` = 4195528
>>>>         and attached is the memory log.
>>>>         thanks,
>>>>         Uri
>>>>
>>>>         On Fri, Sep 7, 2012 at 10:26 AM, Daniel-Constantin Mierla
>>>>         <miconda at gmail.com <mailto:miconda at gmail.com>> wrote:
>>>>
>>>>             Hello,
>>>>
>>>>             is this taken only after startup? Get one at startup and
>>>>             another one after reload, so it can be compared.
>>>>
>>>>             Cheers,
>>>>             Daniel
>>>>
>>>>
>>>>             On 9/6/12 9:22 AM, Uri Shacked wrote:
>>>>>             Hi,
>>>>>             here:
>>>>>             shmem:fragments = 143898
>>>>>             shmem:freesize = 3446570952
>>>>>             shmem:max_used_size = 861854768
>>>>>             shmem:real_used_size = 848396344
>>>>>             shmem:total_size = 4294967296
>>>>>             shmem:used_size = 319676976
>>>>>
>>>>>
>>>>>             On Thu, Sep 6, 2012 at 9:49 AM, Daniel-Constantin
>>>>>             Mierla <miconda at gmail.com <mailto:miconda at gmail.com>>
>>>>>             wrote:
>>>>>
>>>>>                 Hello,
>>>>>
>>>>>
>>>>>                 On 9/5/12 3:06 PM, Uri Shacked wrote:
>>>>>
>>>>>                     Hi,
>>>>>                     I use MTREE to load 5 million rows from the
>>>>>                     database. it takes about 30 sec to start
>>>>>                     kamailio and it is running great.
>>>>>                     Whern I check the shmem usage I see the data
>>>>>                     take about 0.8G out of 4G i set on shmem.
>>>>>                     When i reload the data while kamailio is
>>>>>                     running, the memory usage rises to 1.3G and
>>>>>                     stays there (the second and next reloads stays
>>>>>                     on 1.3G as well).
>>>>>                     Why doesn't it return to 0.8G after the reload
>>>>>                     is completed?
>>>>>
>>>>>
>>>>>                 can you send the statistics related to shmem?
>>>>>
>>>>>                 kamctl fifo get_statistics shmem:
>>>>>
>>>>>                 There are different values there, some usage come
>>>>>                 from overhead of memory chunks management.
>>>>>
>>>>>                 Cheers,
>>>>>                 Daniel
>>>>>
>>>>>                 --
>>>>>                 Daniel-Constantin Mierla - http://www.asipto.com
>>>>>                 http://twitter.com/#!/miconda
>>>>>                 <http://twitter.com/#%21/miconda> -
>>>>>                 http://www.linkedin.com/in/miconda
>>>>>                 Kamailio Advanced Training, Berlin, Nov 5-8, 2012 -
>>>>>                 http://asipto.com/u/kat
>>>>>                 Kamailio Advanced Training, Miami, USA, Nov 12-14,
>>>>>                 2012 - http://asipto.com/u/katu
>>>>>
>>>>>
>>>>
>>>>             --
>>>>             Daniel-Constantin Mierla -http://www.asipto.com
>>>>             http://twitter.com/#!/miconda
>>>> <http://twitter.com/#%21/miconda>  -http://www.linkedin.com/in/miconda
>>>>             Kamailio Advanced Training, Berlin, Nov 5-8, 2012
>>>> -http://asipto.com/u/kat
>>>>             Kamailio Advanced Training, Miami, USA, Nov 12-14, 2012
>>>> -http://asipto.com/u/katu
>>>>
>>>>
>>>>
>>>
>>>         --
>>>         Daniel-Constantin Mierla -http://www.asipto.com
>>>         http://twitter.com/#!/miconda  <http://twitter.com/#%21/miconda>
>>> -http://www.linkedin.com/in/miconda
>>>         Kamailio Advanced Training, Berlin, Nov 5-8, 2012
>>> -http://asipto.com/u/kat
>>>         Kamailio Advanced Training, Miami, USA, Nov 12-14, 2012
>>> -http://asipto.com/u/katu
>>>
>>>
>>
>>     --
>>     Daniel-Constantin Mierla -http://www.asipto.com
>>     http://twitter.com/#!/miconda  <http://twitter.com/#%21/miconda>
>> -http://www.linkedin.com/in/miconda
>>     Kamailio Advanced Training, Berlin, Nov 5-8, 2012
>> -http://asipto.com/u/kat
>>     Kamailio Advanced Training, Miami, USA, Nov 12-14, 2012
>> -http://asipto.com/u/katu
>>
>>
>
> --
> Daniel-Constantin Mierla - http://www.asipto.com
> http://twitter.com/#!/miconda - http://www.linkedin.com/in/miconda
> Kamailio Advanced Training, Berlin, Nov 5-8, 2012 - http://asipto.com/u/kat
> Kamailio Advanced Training, Miami, USA, Nov 12-14, 2012 -
> http://asipto.com/u/katu
>
>

-- 
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