MingXiangLi opened a new pull request #3941: URL: https://github.com/apache/hadoop/pull/3941
- DataNode performance bottleneck is mainly in datasetLock.DatasetLock not only influence performance and also influence stable. - We have split datasetLock to block pool level and volume level.And have stable run in 30000+ DataNode server in our cluster over than one year.It has big improvement for our client read write performance and stable. - This pr is split lock to block pool level.Another pr will split to volume level when this pr is merge. Design doc https://drive.google.com/file/d/1eaE8vSEhIli0H3j2eDiPJNYuKAC0MFgu/view?usp=sharing https://issues.apache.org/jira/browse/HDFS-15382 -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: [email protected] For queries about this service, please contact Infrastructure at: [email protected] --------------------------------------------------------------------- To unsubscribe, e-mail: [email protected] For additional commands, e-mail: [email protected]
