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From "Vinay Chella (JIRA)" <>
Subject [jira] [Updated] (CASSANDRA-15043) Add heap dump inspections to sidecar
Date Thu, 07 Mar 2019 19:59:00 GMT


Vinay Chella updated CASSANDRA-15043:
    Reviewers: Dinesh Joshi, Vinay Chella  (was: Dinesh Joshi)

> Add heap dump inspections to sidecar
> ------------------------------------
>                 Key: CASSANDRA-15043
>                 URL:
>             Project: Cassandra
>          Issue Type: New Feature
>          Components: Sidecar
>            Reporter: Chris Lohfink
>            Assignee: Chris Lohfink
>            Priority: Major
> Add to ui a tool to view heap dumps cassandra produces when OOM to identify the issue
that caused it. Three views
> 1. C* inspections - useful inspections like a list of the largest partitions, most active
partitions, largest (and most by table and partition) mutations.
> 2. Threads - their stack traces, heap size, and values of things in local processing
scope (that can be clicked through and explored)
> 3. Metrics - view state of all the metrics at time of heap dump
> Additional requirement: since this runs on cassandra sidecar it should use very low memory
(ie sub 100mb) and not consume massive cpu

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