Reduce default maximum healthy processing time (ava-labs#2784)

Author: Dan Laine

config/flags.go

@@ -293,7 +293,7 @@ func addNodeFlags(fs *flag.FlagSet) {
 	fs.Int(SnowConcurrentRepollsKey, 4, "Minimum number of concurrent polls for finalizing consensus")
 	fs.Int(SnowOptimalProcessingKey, 10, "Optimal number of processing containers in consensus")
 	fs.Int(SnowMaxProcessingKey, 1024, "Maximum number of processing items to be considered healthy")
-	fs.Duration(SnowMaxTimeProcessingKey, 2*time.Minute, "Maximum amount of time an item should be processing and still be healthy")
+	fs.Duration(SnowMaxTimeProcessingKey, 30*time.Second, "Maximum amount of time an item should be processing and still be healthy")
 	fs.Uint(SnowMixedQueryNumPushVdrKey, 10, fmt.Sprintf("If this node is a validator, when a container is inserted into consensus, send a Push Query to %s validators and a Pull Query to the others. Must be <= k.", SnowMixedQueryNumPushVdrKey))
 	fs.Uint(SnowMixedQueryNumPushNonVdrKey, 0, fmt.Sprintf("If this node is not a validator, when a container is inserted into consensus, send a Push Query to %s validators and a Pull Query to the others. Must be <= k.", SnowMixedQueryNumPushNonVdrKey))