Github user rhtyd commented on a diff in the pull request:
https://github.com/apache/cloudstack/pull/1549#discussion_r68709839
--- Diff: utils/src/main/java/com/cloud/utils/nio/NioConnection.java ---
@@ -125,7 +125,7 @@ public boolean isStartup() {
public Boolean call() throws NioConnectionException {
while (_isRunning) {
try {
- _selector.select();
+ _selector.select(1000);
--- End diff --
@swill this change ^^ causes the selector loop to never block indefinitely
but at most 1 second. This ensures that reconnections are fast. If anyone
experiences the behaviour that tel-netting to port 8250 causes agent to
reconnect then, either (1) they are not using latest master or (2) they did not
wait for up to one second (i.e. hit an edge case), in which case we can lower
this number to 100-500 millisecond at the expense of increasing cpu usage.
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