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From Alan Carroll <>
Subject Re: Understanding ioBufAllocator behvaiour
Date Wed, 24 May 2017 14:33:04 GMT
Honestly it sounds like a leak. Can you specify which version of Traffic Server this is?

On Wednesday, May 24, 2017, 8:22:46 AM CDT, Dunkin, Nick <> wrote:<!--#yiv6344496970
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I have a load test that I’ve been running for a number of days now.  I’m using the memory
dump logging in traffic.out and I’m trying to understand how Traffic Server allocates and
reuses memory.  I’m still quite new to Traffic Server.
Nearly all of the memory traces look as I would expect, i.e. memory is allocated and reused
over the lifetime of the test.  However my readings from ioBufAllocator[0] show a continual
increase in allocated AND used.  I am attaching a graph.  (FYI – This graph covers approximately
3 days of continual load test.)
I would have expected to start seeing reuse in ioBufAllocator by now, like I do in the other
ioBufAllocators.  Can someone help me understand what I’m seeing?
Many thanks,
Nick Dunkin
Nick Dunkin
Principal Engineer
o:   678.258.4071
4375 River Green Pkwy # 100, Duluth, GA 30096, USA

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