Re: Re: performance about writing data to HDFS

2018-02-01 Thread
IOException -原始邮件- 发件人:"Miklos Szegedi" 发送时间:2018-01-30 01:50:23 (星期二) 收件人: "徐传印" 抄送: Hdfs-dev , "Hadoop Common" , "common-u...@hadoop.apache.org" 主题: Re: performance about writing data to HDFS Hello, Here is an example. You can set an initial lo

performance about writing data to HDFS

2018-01-29 Thread
Hi community: I have a question about the performance of writing to HDFS. I've learned that When We write data to HDFS using the interface provided by HDFS such as 'FileSystem.create', our client will block until all the blocks and their replications are done. This will cause efficiency pro