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https://issues.apache.org/jira/browse/SOLR-14616?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17153129#comment-17153129
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Erick Erickson commented on SOLR-14616:
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I'm also reluctant to jerk something out from under users, but in this case....
Where's the evidence that CDCR is useful in the field? I've seen a couple of
clients manage, with great difficulty, to get it running. Sort of. With lots of
custom monitoring in place. With infinite TLOG growth, disk full issues. Index
corruption due to disk full. And on and on.
Personally, I think we do people a favor by not letting them even try to go
down this road in 9.x. If they're desperate for a solution, one option is to
stay on 8x until we put something in place in 9.?. If we do. I'm not even sure
Solr should have anything built in to even try to maintain cross DC
synchronization.
If we do leave it in 9.0, we're effectively saying to users "There's this thing
called CDCR, good luck. Don't ask us for help 'cause we aren't going to fix
anything". Not a pretty message either. What's the "least worst" option here?
[~ichattopadhyaya] I put one thing I found by running "gradlew check" up on the
PR, basically there's still a reference in the ref guide "major changes from 5
to 6" that references other pages in the CDCR ref guide.
I also have a repeatable failure on this test, why I haven't a clue I haven't
looked at all:
./gradlew :solr:core:test --tests
"org.apache.solr.cloud.DistribDocExpirationUpdateProcessorTest"
-Ptests.seed=E5E0398C331D4F6B -Ptests.file.encoding=US-ASCII
> Remove CDCR from 9.0
> --------------------
>
> Key: SOLR-14616
> URL: https://issues.apache.org/jira/browse/SOLR-14616
> Project: Solr
> Issue Type: Sub-task
> Affects Versions: master (9.0)
> Reporter: Ishan Chattopadhyaya
> Assignee: Ishan Chattopadhyaya
> Priority: Blocker
> Time Spent: 20m
> Remaining Estimate: 0h
>
> This was deprecated in SOLR-14022 and should be removed in 9.0.
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