Benedict created CASSANDRA-15066:
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Summary: Improvements to Internode Messaging
Key: CASSANDRA-15066
URL: https://issues.apache.org/jira/browse/CASSANDRA-15066
Project: Cassandra
Issue Type: Improvement
Components: Messaging/Internode
Reporter: Benedict
Assignee: Benedict
Fix For: 4.0
CASSANDRA-8457 introduced asynchronous networking to internode messaging, but
there have been several follow-up endeavours to improve some semantic issues.
CASSANDRA-14503 and CASSANDRA-13630 are the latest such efforts, and were
combined some months ago into a single overarching refactor of the original
work, to address some of the issues that have been discovered. Given the
criticality of this work to the project, we wanted to bring some more eyes to
bear to ensure the release goes ahead smoothly. In doing so, we uncovered a
number of issues with messaging, some of which long standing, that we felt
needed to be addressed. This patch widens the scope of CASSANDRA-14503 and
CASSANDRA-13630 in an effort to close the book on the messaging service, at
least for the foreseeable future.
The patch includes a number of clarifying refactors that touch outside of the
{{net.async}} package, and a number of semantic changes to the {{net.async}}
packages itself. We believe it clarifies the intent and behaviour of the code
while improving system stability, which we will outline in comments below.
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