Hi,

We are currently in the process of trying to determine if we have a memory leak 
in one of our own ATS plug-ins.   Our plug-ins are implemented using the 
bundled C++ API framework, and we use any number of the standard C++ container 
classes.  We are currently on version 7.1.4 of Traffic Server.

The Traffic Server documentation is fairly brief on the subject and refers to 
the use of the following property to dump detailed information to the logs:

CONFIG proxy.config.dump_mem_info_frequency INT <value>

I should make it clear that we are seeing a general upward trend in memory 
usage of the “TS-MAIN” process, and we are trying to understand if that upward 
trend is due to “plug in” memory usage or “traffic server” memory usage.  Our 
own plugins use the standard C++ new/delete to create and free memory.

Is there a simple way, from the memory dump information, to differentiate 
between the memory we are allocating in our own plug-ins, and Traffic Server’s 
own memory allocations, which I believe use their own memory model.

We are keen to hear any tips, advice, third-party profiling tools or war 
stories that you think might help us determine where we are leaking.

Thanks, we appreciate your time,

Nick

Nick Dunkin
Director, Software Engineering
Manager – Architecture and New Product Introduction
o:  +1 678.258.4071
e: nick.dun...@vecima.com<mailto:nick.dun...@vecima.com>

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