Re: Does JDBC Connection Config component respect its scope?

[jmeter tea]

There's a general note about configuration elements (
http://jmeter.apache.org/usermanual/component_reference.html#config_elements
)
elements are processed at the start of the scope in which they are found,
i.e. before any samplers in the same scope.
There's such note in CSV Data Set Config (
http://jmeter.apache.org/usermanual/component_reference.html#CSV_Data_Set_Config
)
CSV Dataset variables are defined at the start of each test iteration. As
this is after configuration processing is completed, they cannot be used
for some configuration items - such as JDBC Config



On Mon, Nov 27, 2017 at 12:58 PM, Konstantin Kalinin <
konstan...@kkalinin.pro> wrote:

> Hello!
>
> I'm using JMeter 3.3.
> I try to setup a JDBC Connection Config (JDBC CC) this way:
>
> Test plan
> |__setUp Thread Group
>   |__Sampler1 (sets variables)
>   |__JDBC Request1
>  |__JDBC CC (using vars from Sampler1)
>
> Seems that JDBC CC initializes when Test plan is loaded, no matter where
> it is in the plan, as it can not use variables that I've set in Sampler1.
> Adding some tree levels with different Controllers changes nothing.
> It behaves like a User Defined Variables config element do, but there's no
> note about it in a Documentation. I expect, that JDBC CC would respect it's
> scope.
>
> Is it a bug?
>
>
> --
> Konstantin Kalinin
> +7 912 468 00 00
>
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>

Does JDBC Connection Config component respect its scope?

[Konstantin Kalinin]

Hello!

I'm using JMeter 3.3.
I try to setup a JDBC Connection Config (JDBC CC) this way:

Test plan
|__setUp Thread Group
  |__Sampler1 (sets variables)
  |__JDBC Request1
 |__JDBC CC (using vars from Sampler1)

Seems that JDBC CC initializes when Test plan is loaded, no matter where it is 
in the plan, as it can not use variables that I've set in Sampler1. Adding some 
tree levels with different Controllers changes nothing.
It behaves like a User Defined Variables config element do, but there's no note 
about it in a Documentation. I expect, that JDBC CC would respect it's scope.

Is it a bug?


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Konstantin Kalinin
+7 912 468 00 00

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Re: JDBC Connection Config

[Dzmitry_Kashlach]

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engines.
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Re: JDBC Connection Config

[Deepak Goel]

Hey

First System

I have defined the Heap size as 512 - 1024  & My RAM size is 512 MB
(1024MB heap Size> 512 MB Ram)

Second System

Looks like all parameters of system might be not same

Deepak

On 6/21/12, Dzmitry Kashlach  wrote:
> C.Vijayakumar  altechindia.com> writes:
>
>>
>> Hi Sebb / Matt ,
>>
>> Am using JMeter for Load testing our Java application . I have some
>> doubts
>> on using JMeter . Could you please help me to solve my doubts pls ?
>>
>> My Tuning Parameters are as follows
>>
>> set HEAP=-Xms512m -Xmx1024m
>> set NEW=-XX:NewSize=128m -XX:MaxNewSize=128m
>> set SURVIVOR=-XX:SurvivorRatio=8 -XX:TargetSurvivorRatio=50%
>> set TENURING=-XX:MaxTenuringThreshold=2
>> set EVACUATION=-XX:MaxLiveObjectEvacuationRatio=20%
>> set RMIGC=-Dsun.rmi.dgc.client.gcInterval=60
>> -Dsun.rmi.dgc.server.gcInterval=60
>> set PERM=-XX:PermSize=128m -XX:MaxPermSize=128m
>> set DEBUG=-verbose:gc -XX:+PrintTenuringDistribution
>>
>>
>> I have defined the Heap size as 512 - 1024  & My RAM size is 512 MB . I
>> have
>> run my Test Plan using JDBC Connection configuration for 3964 concurrent
>> users successfully .  If I use more than 4000 Users , JMeter shows Out of
>> Memory error . Even if i tried running the test plan by changing the Heap
>> size as 256 - 1024 , 768 - 1536 & 512 - 512 , there is no improvement on
>> my
>> concurrent users , still am getting Out of memory error message
>>
>> I tried the same test plan in another system which has 1 GB RAM , But in
>> that system,   Only 2000 concurrent users have successfully completed and
>> I
>> got the same Out of Memory error .
>>
>> Could anyone / you please reveal me what I have to do to get proper
>> results
>> for more than 5000 Concurrent users ?
>>
>> Thanking you in Advance .
>>
>> Thanking you .
>> With warm regards.,
>> Vijayakumar.C
>>
>>
>  Hi C.Vijayakumar,
> Let me say, what I think about JMeter's problem with memory.
> 1.Do not use any Graph Listeners, they are too greedy and can waste your
> RAM
>   There is some observation of this problem in article about JMeter
> Listeners(http://blazemeter.com/blog/greedy-listeners-memory-leeches-
> performance-testing)
> 2.If possible, do not use JMeter GUI at all, because it may be too heavy for
>
> your PC. Some advices you can find in articles, devoted to "Running JMeter
> tests
> in non-GUI
> mode"(http://blazemeter.com/blog/dear-abby-blazemeter-how-do-i-run-
> jmeter-non-gui-mode) and collecting load test
> results(http://blazemeter.com/blog/top-2-techniques-get-jmeter-test-results-non-
> gui-mode)
>
>
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>
>


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