Looking at the graphs it looks like your headers and http1client sessions are leaking. Have you looked at this example to on how to send back error messages using the C++ API: https://github.com/apache/trafficserver/blob/master/example/cppapi/customresponse/CustomResponse.cc
-Bryan > On Mar 4, 2019, at 3:50 PM, Dk Jack <dnj0...@gmail.com> wrote: > > Hi, > I am trying to chase a memory leak issue. I am using ATS version 6.2.3 and > I have a custom plugin written using the c++ API (atscppapi) running on the > same server. I enabled memory dump in my configuration and sent traffic > into the ATS with and without my plugin for an hour. Later, I extracted the > individual memory stats and plotted the stats for each object type against > time. The link shown below contains side-by-side plots for each ATS object > type without and with my plugin (the right side figures are with my plugin > enabled). > > https://www.dropbox.com/s/rfszd6fnjydm8s7/ats_mem_stats_comparison.pdf > > Without my plugin, the memory consumption increases for various objects in > the beginning and then tapers off. However, with my plugin enabled, the > memory consumption is higher and more erratic. I am not holding on to the > request in my plugin. My plugin attaches TransactionPlugin to some > transactions (sending back 4xx response to client). For most others, it > lets it pass through. My plugin, doesn't allocate much memory. The memory > it allocates is sort of semi-static (manages a few maps that are updated > periodically). I don't anticipate my plugin's memory consumption to > increase with the transactions. > > Since the presence of my plugin is the affecting the memory stats of > internal ATS objects, I am suspecting this could result of me not using the > API correctly. Would appreciate if anyone can venture a guess as to what > could be happening. Thank for help. > > Dk.
