[ https://issues.apache.org/jira/browse/CASSANDRA-7974?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Chris Lohfink updated CASSANDRA-7974: ------------------------------------- Attachment: CASSANDRA-7974v3.txt Attached with additional changes: * Uses open type datatypes (compositedata with tabulardata) for safe mbean deserialization * no longer exposes key validator, instead turns into human readable string along with raw bytes when sending over the compositedata * use own executor instead of TRACE > Enable tooling to detect hot partitions > --------------------------------------- > > Key: CASSANDRA-7974 > URL: https://issues.apache.org/jira/browse/CASSANDRA-7974 > Project: Cassandra > Issue Type: Improvement > Reporter: Brandon Williams > Assignee: Chris Lohfink > Fix For: 2.1.3 > > Attachments: 7974.txt, CASSANDRA-7974v3.txt, cassandra-2.1-7974v2.txt > > > Sometimes you know you have a hot partition by the load on a replica set, but > have no way of determining which partition it is. Tracing is inadequate for > this without a lot of post-tracing analysis that might not yield results. > Since we already include stream-lib for HLL in compaction metadata, it > shouldn't be too hard to wire up topK for X seconds via jmx/nodetool and then > return the top partitions hit. -- This message was sent by Atlassian JIRA (v6.3.4#6332)