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https://issues.apache.org/jira/browse/CASSANDRA-6719?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16420655#comment-16420655
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Jordan West commented on CASSANDRA-6719:
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[~krummas], patch looks great. comments below (mostly minor):
* Since {{nodetool refresh }}is being deprecated, instead of modified, it
would be nice to maintain as much of the same functionality as before.
Additional options could be introduced to address the two areas I noticed
changes:
* FSUtils.handleCorruptSSTable/handleFSError are no longer called
* Row cache invalidation was not previously performed — this is a good thing
regardless, so maybe skip an option for this one.
* If using {{nodetool refresh}} with JDOB, the counting keys per boundary work
is done just to throw it away.
* Minor/naming nit: consider renaming {{CFS#loadSSTables}}’s dirPath ->
srcPath and {{findBestDiskAndInvalidCache}}’s path -> srcPath
* Minor/usability nit: I couldn’t find many cases where
{{@Option(required=true)}} is used. WDYT about moving the path to a positional
argument since its required and this command does not take a variable number of
positional args?
* Minor/usability nit: Instead of noVerify=true,noVerifyTokens=false being an
invalid state, make noVerify=true imply noVerifyTokens=true.
* The JavaDoc for {{CFS.loadNewSSTables}} should be updated to point to the
new {{StorageService.loadSSTables}}.
* The comment on CFS#L861 is useful but out of place.
* Minor/naming nit: The naming of the “allKeys” variable in
{{ImportTest#testImportInvalidateCache}} is misleading.
* Minor nits in {{ImportTest#testBestDisk}}:
* Instead of hardcoding token values what about using e.g.
{{t.compareTo(mock.getDiskBoundaries().positions.get(0).getToken()) <= 0}}?
* Are you intentionally leaving the Random seed hardcoded?
> redesign loadnewsstables
> ------------------------
>
> Key: CASSANDRA-6719
> URL: https://issues.apache.org/jira/browse/CASSANDRA-6719
> Project: Cassandra
> Issue Type: New Feature
> Components: Tools
> Reporter: Jonathan Ellis
> Assignee: Marcus Eriksson
> Priority: Minor
> Labels: lhf
> Fix For: 4.x
>
> Attachments: 6719.patch
>
>
> CFSMBean.loadNewSSTables scans data directories for new sstables dropped
> there by an external agent. This is dangerous because of possible filename
> conflicts with existing or newly generated sstables.
> Instead, we should support leaving the new sstables in a separate directory
> (specified by a parameter, or configured as a new location in yaml) and take
> care of renaming as necessary automagically.
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