[ https://issues.apache.org/jira/browse/HDFS-12725?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Xiao Chen updated HDFS-12725: ----------------------------- Attachment: HDFS-12725.03.patch Thanks for the review [~jojochuang]. Patch 3 to address the comments. Initially wanted to let the loop in the test to make sure the over-by-1 is always on the lower numbers of the multi-node rack (e.g. if left 3 nodes for rack1 and rack2, rack1 always has 2 nodes). But that's not necessary for testing, so modified it to be the standard way. > BlockPlacementPolicyRackFaultTolerant still fails with racks with very few > nodes > -------------------------------------------------------------------------------- > > Key: HDFS-12725 > URL: https://issues.apache.org/jira/browse/HDFS-12725 > Project: Hadoop HDFS > Issue Type: Bug > Components: erasure-coding > Affects Versions: 3.0.0 > Reporter: Xiao Chen > Assignee: Xiao Chen > Labels: hdfs-ec-3.0-must-do > Attachments: HDFS-12725.01.patch, HDFS-12725.02.patch, > HDFS-12725.03.patch > > > HDFS-12567 tries to fix the scenario where EC blocks may not be allocated in > extremely rack-imbalanced cluster. > The added fall-back step of the fix could be improved to do a best-effort > placement. This is more likely to happen in testing than in real clusters. -- This message was sent by Atlassian JIRA (v6.4.14#64029) --------------------------------------------------------------------- To unsubscribe, e-mail: hdfs-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: hdfs-issues-h...@hadoop.apache.org