smiklosovic commented on code in PR #1783:
URL: https://github.com/apache/cassandra/pull/1783#discussion_r945825291
##########
src/java/org/apache/cassandra/transport/Dispatcher.java:
##########
@@ -80,7 +101,16 @@ public Dispatcher(boolean useLegacyFlusher)
public void dispatch(Channel channel, Message.Request request,
FlushItemConverter forFlusher, Overload backpressure)
{
- requestExecutor.submit(new RequestProcessor(channel, request,
forFlusher, backpressure));
+ // if native_transport_max_auth_threads is < 1, don't delegate to new
pool on auth messages
+ if (DatabaseDescriptor.getNativeTransportMaxAuthThreads() > 0 &&
(request.type == Message.Type.AUTH_RESPONSE || request.type ==
Message.Type.CREDENTIALS))
+ {
+ // importantly will handle the AUTHENTICATE message which may be
CPU intensive.
+ authExecutor.submit(new RequestProcessor(channel, request,
forFlusher, backpressure));
+ }
+ else
+ {
+ requestExecutor.submit(new RequestProcessor(channel, request,
forFlusher, backpressure));
Review Comment:
+1 to that idea. I had the same idea as Josh to resolve the executor to
submit that to.
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