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https://issues.apache.org/jira/browse/CASSANDRA-18632?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17737888#comment-17737888
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Raymond Huffman commented on CASSANDRA-18632:
---------------------------------------------
For my use case, I'd prefer to get this information from the StreamManagerMBean
instead of via a virtual table. What do you think about just using a Cache with
a maximum size?
{code}
Cache<TimeUUID, StreamResultFuture> completedStreams =
CacheBuilder.newBuilder().maximumSize(1000).build();
{code}
> Save state about completed streams and display in nodetool netstats
> -------------------------------------------------------------------
>
> Key: CASSANDRA-18632
> URL: https://issues.apache.org/jira/browse/CASSANDRA-18632
> Project: Cassandra
> Issue Type: Improvement
> Components: Observability/JMX
> Reporter: Raymond Huffman
> Assignee: Raymond Huffman
> Priority: Normal
> Fix For: 5.x
>
> Time Spent: 10m
> Remaining Estimate: 0h
>
> We monitor Bootstraps in progress by polling
> StreamManagerMBean.getCurrentStreams(). While this gives us good signal for
> how a bootstrap is progressing, we'd also like to check that all streams have
> completed successfully when a node has finished bootstrapping.
> This patch adds a separate map in StreamManager to track completed streams,
> and reports those stream summaries in
> StreamManagerMBean.getCompletedStreams() and .getAllStreams()
> It also adds an option to nodetool netstats to display completed streams
> alongside the current streams.
> https://github.com/apache/cassandra/pull/2453
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