I have setup an EMR in AWS with PrestoDB installed on it, Earlier I was able to query with PrestoDB but somehow after a restart it stopped working and started giving following error "Error running command: Server refused connection: http://ip-*---.us-west-2.compute.internal:8889/v1/statement" I have looked into all configuration files and nothing seems to be wrong. I have also cross check Hive configuration files but could not get any success. Could anyone who has encountered similar issue can help me.
Yes , You will have to restart presto on all machines . Adding to the note I would like you to mention that give it a shot installing open source presto on EMR using presto admin. It has a lot of functions which will help you to avoid such issues . Updating and maintaining the cluster is easy using presto admin