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ASF GitHub Bot commented on HDFS-17532: --------------------------------------- ZanderXu commented on code in PR #6839: URL: https://github.com/apache/hadoop/pull/6839#discussion_r1613185799 ########## hadoop-hdfs-project/hadoop-hdfs-rbf/src/main/java/org/apache/hadoop/hdfs/server/federation/store/driver/StateStoreDriver.java: ########## @@ -17,13 +17,23 @@ */ package org.apache.hadoop.hdfs.server.federation.store.driver; +import java.io.IOException; import java.net.InetAddress; +import java.util.ArrayList; import java.util.Collection; +import java.util.HashMap; Review Comment: unused. > RBF: Allow router state store cache update to overwrite and delete in parallel > ------------------------------------------------------------------------------ > > Key: HDFS-17532 > URL: https://issues.apache.org/jira/browse/HDFS-17532 > Project: Hadoop HDFS > Issue Type: Improvement > Components: hdfs, rbf > Reporter: Felix N > Assignee: Felix N > Priority: Minor > Labels: pull-request-available > > Current implementation for router state store update is quite inefficient, so > much that when routers are removed and a lot of NameNodeMembership records > are deleted in a short burst, the deletions triggered a router safemode in > our cluster and caused a lot of troubles. > This ticket aims to allow the overwrite part and delete part of > org.apache.hadoop.hdfs.server.federation.store.CachedRecordStore#overrideExpiredRecords > to run in parallel. > See HDFS-17529 for the other half of this improvement. -- 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