[
https://issues.apache.org/jira/browse/HDFS-14703?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17345069#comment-17345069
]
Xing Lin commented on HDFS-14703:
---------------------------------
[~prasad-acit] try this command: use -fs file:///, instead of
hdfs://server:port. "-fs file:///" will bypass the RPC layer and should give
you higher numbers at your VM.
dir: /home/xinglin/projs/hadoop/hadoop-dist/target/hadoop-3.4.0-SNAPSHOT
$ ./bin/hadoop org.apache.hadoop.hdfs.server.namenode.NNThroughputBenchmark
*-fs file:///* -op mkdirs -threads 200 -dirs 10000000 -dirsPerDir 512
> NameNode Fine-Grained Locking via Metadata Partitioning
> -------------------------------------------------------
>
> Key: HDFS-14703
> URL: https://issues.apache.org/jira/browse/HDFS-14703
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: hdfs, namenode
> Reporter: Konstantin Shvachko
> Priority: Major
> Attachments: 001-partitioned-inodeMap-POC.tar.gz,
> 002-partitioned-inodeMap-POC.tar.gz, 003-partitioned-inodeMap-POC.tar.gz,
> NameNode Fine-Grained Locking.pdf, NameNode Fine-Grained Locking.pdf
>
>
> We target to enable fine-grained locking by splitting the in-memory namespace
> into multiple partitions each having a separate lock. Intended to improve
> performance of NameNode write operations.
--
This message was sent by Atlassian Jira
(v8.3.4#803005)
---------------------------------------------------------------------
To unsubscribe, e-mail: [email protected]
For additional commands, e-mail: [email protected]
