[ https://issues.apache.org/jira/browse/KAFKA-13418?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
shylaja kokoori reassigned KAFKA-13418: --------------------------------------- Assignee: shylaja kokoori > Brokers disconnect intermittently with TLS1.3 > --------------------------------------------- > > Key: KAFKA-13418 > URL: https://issues.apache.org/jira/browse/KAFKA-13418 > Project: Kafka > Issue Type: Bug > Components: clients > Affects Versions: 2.8.0 > Reporter: shylaja kokoori > Assignee: shylaja kokoori > Priority: Minor > > Using TLS1.3 (with JDK11) is causing a regression and an increase in > inter-broker p99 latency, as mentioned by Yiming in > [Kafka-9320|https://issues.apache.org/jira/browse/KAFKA-9320?focusedCommentId=17401818&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-17401818]. > We tested this with Kafka 2.8. > The issue seems to be because of a renegotiation exception being thrown by > {code:java} > read(ByteBuffer dst) > {code} > & > {code:java} > write(ByteBuffer src) > {code} > in > _clients/src/main/java/org/apache/kafka/common/network/SslTransportLayer.java_ > This exception is causing the connection to close between the brokers before > read/write is completed. In our internal experiments we have seen the p99 > latency stabilize when we remove this exception. > Given that TLS1.3 does not support renegotiation, I would like to make it > applicable just for TLS1.2. -- This message was sent by Atlassian Jira (v8.3.4#803005)