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https://issues.apache.org/jira/browse/CASSANDRA-18555?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17733888#comment-17733888
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Stefan Miklosovic edited comment on CASSANDRA-18555 at 6/18/23 9:45 AM:
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I am sorry it took so long to complete. The existing dtests in Python are
rather brittle and I was balancing between the introduction of this new feature
and not rewriting existing tests.
Actually, I fixed one test in dtest as it was written incorrectly. Comments are
on the PR.
I was also testing locally that proposed changes in dtests are playing nicely
with branches 3.11 -> 4.1 (this just go just to trunk).
pr [https://github.com/apache/cassandra/pull/2390]
dtest pr [https://github.com/apache/cassandra-dtest/pull/221]
j11 pre-commit
[https://app.circleci.com/pipelines/github/instaclustr/cassandra/2466/workflows/0e38394c-111e-4edc-8ee9-d21536326651]
j8 pre-commit
[https://app.circleci.com/pipelines/github/instaclustr/cassandra/2466/workflows/f308aebe-3ee5-449c-95dd-05c1c4982d33]
[~brandon.williams] would you formally review it, please?
was (Author: smiklosovic):
I am sorry it took so long to complete. The existing dtests in Python are
rather brittle and I was balancing between the introduction of this new feature
and not rewriting existing tests.
Actually, I fixed one test in dtest as it was written incorrectly. Comments are
on the PR.
I was also testing locally that proposed changes in dtests are playing nicely
with branches 3.11 -> 4.1 (this just go just to trunk).
pr [https://github.com/apache/cassandra/pull/2390]
dtest pr [https://github.com/apache/cassandra-dtest/pull/221]
j11 pre-commit
[https://app.circleci.com/pipelines/github/instaclustr/cassandra/2466/workflows/0e38394c-111e-4edc-8ee9-d21536326651]
j8 pre-commit
[https://app.circleci.com/pipelines/github/instaclustr/cassandra/2466/workflows/f308aebe-3ee5-449c-95dd-05c1c4982d33]
> A new nodetool/JMX command that tells whether node's decommission failed or
> not
> -------------------------------------------------------------------------------
>
> Key: CASSANDRA-18555
> URL: https://issues.apache.org/jira/browse/CASSANDRA-18555
> Project: Cassandra
> Issue Type: Task
> Components: Observability/JMX
> Reporter: Jaydeepkumar Chovatia
> Assignee: Jaydeepkumar Chovatia
> Priority: Normal
> Fix For: 5.x
>
> Time Spent: 4.5h
> Remaining Estimate: 0h
>
> Currently, when a node is being decommissioned and if any failure happens,
> then an exception is thrown back to the caller.
> But Cassandra's decommission takes considerable time ranging from minutes to
> hours to days. There are various scenarios in that the caller may need to
> probe the status again:
> * The caller times out
> * It is not possible to keep the caller hanging for such a long time
> And If the caller does not know what happened internally, then it cannot
> retry, etc., leading to other issues.
> So, in this ticket, I am going to add a new nodetool/JMX command that can be
> invoked by the caller anytime, and it will return the correct status.
> It might look like a smaller change, but when we need to operate Cassandra at
> scale in a large-scale fleet, then this becomes a bottleneck and require
> constant operator intervention.
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