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Erik Krogen commented on HDFS-10817: ------------------------------------ Created HDFS-10829 to address concerns in testing noted in Zhe's previous comment. > Add Logging for Long-held NN Read Locks > --------------------------------------- > > Key: HDFS-10817 > URL: https://issues.apache.org/jira/browse/HDFS-10817 > Project: Hadoop HDFS > Issue Type: Improvement > Components: logging, namenode > Reporter: Erik Krogen > Assignee: Erik Krogen > Fix For: 2.8.0, 2.7.4, 3.0.0-alpha2 > > Attachments: HDFS-10817.000.patch, HDFS-10817.001.patch, > HDFS-10817.002.patch, HDFS-10817.003.patch, HDFS-10817.004.patch, > HDFS-10817.addendum.000.patch, HDFS-10817.addendum.001.patch > > > Right now the Namenode will log when a write lock is held for a long time to > help tracks methods which are causing expensive delays. Let's do the same for > read locks since these operations may also be expensive/long and cause > delays. -- This message was sent by Atlassian JIRA (v6.3.4#6332) --------------------------------------------------------------------- To unsubscribe, e-mail: hdfs-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: hdfs-issues-h...@hadoop.apache.org