Ganesh Murthy created DISPATCH-2191:
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Summary: Count only body buffers when considering q2. Do not count
header buffers
Key: DISPATCH-2191
URL: https://issues.apache.org/jira/browse/DISPATCH-2191
Project: Qpid Dispatch
Issue Type: Test
Components: Container
Affects Versions: 1.16.1
Reporter: Ganesh Murthy
Assignee: Ken Giusti
Consider a two router case where QD_QLIMIT_Q2_UPPER is set to 32 and
QD_QLIMIT_Q2_LOWER is set to 16.
The router B receives a large message from from router A. The first two buffers
of the message consists of header and properties respectively. This is followed
by a 16 buffer body data which is followed by a 15 buffer body data. There are
33 buffers in total. The application code frees the first body data but that
frees only 15 buffers because the second body data starts in the last buffer of
the first body data.
Out of the original 33 buffers, 15 have been freed which means the number of
buffers remaining in the message content is 18 which is greater than
QD_QLIMIT_Q2_LOWER. So we remain in q2 and the second body data is not fully
received.
This situation can be alleviated by not counting the header buffer towards the
q2.
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