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Takanobu Asanuma commented on HDFS-13522: ----------------------------------------- Created the umbrella Jira by HDFS-16889. > HDFS-13522: Add federated nameservices states to client protocol and > propagate it between routers and clients. > -------------------------------------------------------------------------------------------------------------- > > Key: HDFS-13522 > URL: https://issues.apache.org/jira/browse/HDFS-13522 > Project: Hadoop HDFS > Issue Type: Sub-task > Components: federation, namenode > Reporter: Erik Krogen > Assignee: Simbarashe Dzinamarira > Priority: Major > Labels: pull-request-available > Fix For: 3.4.0 > > Attachments: HDFS-13522.001.patch, HDFS-13522.002.patch, > HDFS-13522_WIP.patch, RBF_ Observer support.pdf, Router+Observer RPC > clogging.png, ShortTerm-Routers+Observer.png, > observer_reads_in_rbf_proposal_simbadzina_v1.pdf, > observer_reads_in_rbf_proposal_simbadzina_v2.pdf > > Time Spent: 20h 50m > Remaining Estimate: 0h > > Changes will need to occur to the router to support the new observer node. > One such change will be to make the router understand the observer state, > e.g. {{{}FederationNamenodeServiceState{}}}. > This patch captures the state of all namespaces in the routers and propagates > it to clients. A follow up patch will change router behavior to direct > requests to the observer. > > -- 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