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ASF GitHub Bot logged work on HDFS-16283: ----------------------------------------- Author: ASF GitHub Bot Created on: 03/Jul/22 15:54 Start Date: 03/Jul/22 15:54 Worklog Time Spent: 10m Work Description: ayushtkn commented on PR #4524: URL: https://github.com/apache/hadoop/pull/4524#issuecomment-1173126049 hmm, the caching may be can have a follow up post this, might be tricky but doable. you missed a couple of comments, rest things look almost good to me @goiri / @Hexiaoqiao mind giving an additional check.. Issue Time Tracking ------------------- Worklog Id: (was: 787414) Time Spent: 3h 40m (was: 3.5h) > RBF: improve renewLease() to call only a specific NameNode rather than make > fan-out calls > ----------------------------------------------------------------------------------------- > > Key: HDFS-16283 > URL: https://issues.apache.org/jira/browse/HDFS-16283 > Project: Hadoop HDFS > Issue Type: Sub-task > Components: rbf > Reporter: Aihua Xu > Assignee: Aihua Xu > Priority: Major > Labels: pull-request-available > Attachments: RBF_ improve renewLease() to call only a specific > NameNode rather than make fan-out calls.pdf > > Time Spent: 3h 40m > Remaining Estimate: 0h > > Currently renewLease() against a router will make fan-out to all the > NameNodes. Since renewLease() call is so frequent and if one of the NameNodes > are slow, then eventually the router queues are blocked by all renewLease() > and cause router degradation. > We will make a change in the client side to keep track of NameNode Id in > additional to current fileId so routers understand which NameNodes the client > is renewing lease against. -- This message was sent by Atlassian Jira (v8.20.10#820010) --------------------------------------------------------------------- To unsubscribe, e-mail: hdfs-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: hdfs-issues-h...@hadoop.apache.org