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https://issues.apache.org/jira/browse/CASSANDRA-14395?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16444582#comment-16444582
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Joseph Lynch commented on CASSANDRA-14395:
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I hope we run the management sidecar on all nodes as if it were part of the
database, providing a super easy/language agnostic HTTP interface and proxying
requests to the proper other sidecars just as Cassandra coordinators do today
for CQL requests. This means that users don't have to have a separate discovery
system for the sidecar, understand the difference between "special" nodes and
not, and assures that we build in fault tolerance by default. This is also
especially important if we want to unlock next level automatic operations
features like extracting compaction/repair execution from the main process.
{quote}
so do we pass commands between the management processes and then each node
issues its own JMX commands to itself?
{quote}
I think this is the right approach, use JMX for the last mile and use HTTP
between the sidecars for the rest. Since the connections are not persistent it
will be much more resilient and easy to program for (dealing with JMX
availability over remote long lived connections is ... no fun).
> C* Management process
> ---------------------
>
> Key: CASSANDRA-14395
> URL: https://issues.apache.org/jira/browse/CASSANDRA-14395
> Project: Cassandra
> Issue Type: New Feature
> Reporter: Dinesh Joshi
> Assignee: Dinesh Joshi
> Priority: Major
>
> I would like to propose amending Cassandra's architecture to include a
> management process. The detailed description is here:
> https://docs.google.com/document/d/1UV9pE81NaIUF3g4L1wxq09nT11AkSQcMijgLFwGsY3s/edit
> I'd like to propose seeding this with a few simple use-cases such as Health
> Checks, Bulk Commands with a simple REST API interface.
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