Re: [users] ckptnd memory leak(very serious)

[Yao C. L. <yc...@as...>]

So you mean this is normal? Could you explain to us why this happen?

Ted

-----Original Message-----
From: A V Mahesh [mailto:mah...@or...] 
Sent: Tuesday, May 12, 2015 2:31 PM
To: Yao Cheng LIANG; ope...@li...
Subject: Re: [users] ckptnd memory leak(very serious)


Each section will be associated with a timer , till the Section/checkpoint Deleted/Expires the cpsnd memory will grow ( in your case  500,0000 sections ) ,

-AVM

On 5/12/2015 11:42 AM, Yao Cheng LIANG wrote:
> Seems it does not help. After change retention time as you advised, the memory usage continues growing as before.
>
> You can simple reproduce the issue by running the app and view output from "top -p pid_of_ckptnd". The residential memory grows very quickly. And valgrind has reported memory leak.
>
> Ted
>
> -----Original Message-----
> From: Yao Cheng LIANG
> Sent: Tuesday, May 12, 2015 1:55 PM
> To: 'A V Mahesh'; ope...@li...
> Cc: Yao Cheng LIANG
> Subject: RE: [users] ckptnd memory leak(very serious)
>
> But we really want to keep these data even if there is no one open it. Is there an issue?
>
> Ted
>
> -----Original Message-----
> From: A V Mahesh [mailto:mah...@or...]
> Sent: Tuesday, May 12, 2015 1:41 PM
> To: ope...@li...
> Subject: Re: [users] ckptnd memory leak(very serious)
>
> Hi Ted,
>
> I got the problem .
>
> The CPND memory keeps increasing because of  improper configuration  values of `expirationTime` of `SaCkptSectionCreationAttributes`  by `cpsv_test_app`  application.
>
> cpsv expects `expirationTime`   the absolute time , but your
> `cpsv_test_app` application  is passing relative time , as an impact 
> the section leap times expiration time  is being configured with huge 
> value , so they are NOT being kept in free pool  , so we are seeing 
> additional increase in CPND memory  for each run of `ckpt_test` ( 
> please  check  section
> 3.4.3.2 SaCkptSectionCreationAttributesT of  CKPT Specification).
>
> so please change your application as below and verify  the CPND memory after `cpsv_test_app` runs and memory leak should not be observed.
>
> //sectionCreationAttributes.expirationTime = 3600000000000ll;   /* One
> Hour */
>
> sectionCreationAttributes.expirationTime = (SA_TIME_ONE_MINUTE +(
> time((time_t*)0) * 1000000000));
>
> Their is a ticket for Ckpt sample correction :
> https://sourceforge.net/p/opensaf/tickets/1270/
>
>
> -AVM
>
>
> On 5/12/2015 10:58 AM, Yao Cheng LIANG wrote:
>> All,
>>
>> Please see attached test program. It is modified based on chpt_demo.
>>
>> Thanks.
>>
>> Ted
>>
>> -----Original Message-----
>> From: Ingvar Bergström [mailto:ing...@er...]
>> Sent: Tuesday, May 12, 2015 1:04 PM
>> To: Yao Cheng LIANG; ope...@li...
>> Subject: RE: ckptnd memory leak(very serious)
>>
>> Hi,
>> I can create an OpenSAF ticket as a place holder for your findings.
>> To make things easier for any person who want to dig into this:
>> -Can you attach source code to the ckperf binary so it is possible to see the use case?
>> also
>> -Can you attach the source code for "I created 500,0000 sections 
>> first and then overwrite it with some data" use case,  which I assume 
>> was the test case for the attached valgrind reports (or is this the 
>> ckperf binary used on two controllers started with "ckperf 1" and 
>> "ckperf
>> 0"??)
>>
>> BR
>> Ingvar
>>
>> -----Original Message-----
>> From: Yao Cheng LIANG [mailto:yc...@as...]
>> Sent: den 12 maj 2015 03:43
>> To: Yao Cheng LIANG; ope...@li...
>> Subject: Re: [users] ckptnd memory leak(very serious)
>>
>> The issue is very easy to reproduce. I am running 4.6 with two controllers on RHEL 6.5 x86_64, and if you run the attached app on one node with command line "ckperf 1" on one node and "ckperf 0" on another. You will observe ckptnd memory increased very rapidly with cmd "top -p pid_of_ckptnd".
>>
>> BTW, I am running with TIPC.
>>
>> Ted
>>
>> -----Original Message-----
>> From: Yao Cheng LIANG [mailto:yc...@as...]
>> Sent: Tuesday, May 12, 2015 5:47 AM
>> To: ope...@li...
>> Subject: [users] Fwd: ckptnd memory leak(very serious)
>>
>> Resend
>>
>>
>> Sent from Samsung Mobile
>>
>>
>> -------- Original message --------
>> From: Yao Cheng LIANG
>> Date:2015/05/11 5:48 PM (GMT+08:00)
>> To: ope...@li...
>> Cc: Yao Cheng LIANG
>> Subject: ckptnd memory leak(very serious)
>>
>> All,
>>
>> I did some tests recently on ckptnd. I created 500,0000 sections first and then overwrite it with some data. And found serious memory leak. Please see attached file for valgrind report.
>>
>> Thanks.
>>
>> Ted
>>
>>
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