Yongpan Liu created HDFS-16617: ---------------------------------- Summary: [SBN read] add txid lag metric for Observer NameNode Key: HDFS-16617 URL: https://issues.apache.org/jira/browse/HDFS-16617 Project: Hadoop HDFS Issue Type: Improvement Components: namenode Reporter: Yongpan Liu
Observer NN may of course have poor read performance due to various reasons (serious GC, code problems, or txid lags behind, etc.). Adding latency monitoring with Active NN's txid to Observer NN can help us troubleshoot issues. -- This message was sent by Atlassian Jira (v8.20.7#820007) --------------------------------------------------------------------- To unsubscribe, e-mail: hdfs-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: hdfs-issues-h...@hadoop.apache.org