dizhou cao created FLINK-32191: ---------------------------------- Summary: Support for configuring keepalive related parameters. Key: FLINK-32191 URL: https://issues.apache.org/jira/browse/FLINK-32191 Project: Flink Issue Type: Improvement Components: Runtime / Network Reporter: dizhou cao
We encountered a case in our production environment where upstream was unable to send data downstream due to an abnormality in the switch link. However, upstream can only detect the abnormality after RTO timeout retransmission failure, which takes about 15 minutes in our production environment. This may result in a 15-minute job unavailability. We hope to perform failover and reschedule job more quickly. Flink has already enabled keepalive, but the default keepalive idle time is 2 hours. We can adjust the timeout of TCP keepalive by configuring TCP_KEEPIDLE, TCP_KEEPINTERVAL, and TCP_KEEPCOUNT. These configurations are already supported at the Netty. -- This message was sent by Atlassian Jira (v8.20.10#820010)