Re: About HDFS consistency model

2017-08-01 Thread Hongxu Ma
Thanks again, Ravi! These links are helpful, a good root for me to trace this topic, maybe I can find more useful info, thanks! 在 01/08/2017 04:09, Ravi Prakash 写道: Hi Hongxu! It might be best to go through JIRA comments. Some of them have design docs too. e.g. https://issues.apache.org/jira/b

Re: About HDFS consistency model

2017-07-31 Thread Ravi Prakash
Hi Hongxu! It might be best to go through JIRA comments. Some of them have design docs too. e.g. https://issues.apache.org/jira/browse/HDFS-265 , https://issues.apache.org/jira/browse/HDFS-744 etc. I know there may be some windy conversations, but the good thing about open-source is that all thes

About HDFS consistency model

2017-07-31 Thread Hongxu Ma
Hi Dev In short, is there a full introduction to hdfs consistency model? I have already read some miscellaneous stuffs, e.g. - some simple scenario - read+read, ok - write+write, forbidden (guaranteed be lease) - design doc of append, truncate - hflush/hsync - top pages of google "hdfs con