/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 these deliberations are for everyone to see.
HTH
Ravi.
On Mon, Jul 31, 2017 at 3:13 AM, Hongxu Ma
mailto:inte...@outlook.com
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
Thanks Ravi, clear!
在 27/07/2017 03:51, Ravi Prakash 写道:
Hi Hongxu!
That is correct. At any point there can only be 1 writer. This is enforced by
requiring the writer to acquire leases. There may be multiple readers.
HTH
Ravi
On Wed, Jul 26, 2017 at 12:31 AM, Hongxu Ma
mailto:inte
Hi hdfs-dev
Question as the subject.
I googled some pages and wrote a test program to validate it.
Seems doesn't support (my test program gave: No lease on XXX error message).
Just for confirmation, thanks.
--
Regards,
Hongxu.
