bharatviswa504 commented on issue #742:
URL: https://github.com/apache/hadoop-ozone/pull/742#issuecomment-618123719
> In that case, why don't we go with FILE_PER_BLOCK approach and discard the
FILE_PER_CHUNK going forward?
Yes, we can remove it if not needed. But I don't want to touch this in this
Jira. I can open a new Jira and if we get consensus we can remove it.
`Specifically with this change, this is not really a user configurable
parameter. This version onwards metadata will always be stored in DB
irrespective of what value "ozone.scm.chunk.layout" is configured to.`
The reason for not removing the older version is for this, which I have
mentioned in the code comments. Technically in newer software version I can
remove FILE_PER_CHUNK and FILE_PER_BLOCK.
```
// If on newer version of software if user configured mistakenly to use
// older version, log an warning message. Not changing to newer layouts
// for now to give an option to user if some bug present in newer
layout
// version, user has option to use still older version. We can change
// this automatically in newer releases if no issues with newer
version.
```
This is done for being on safer side.
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