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From "Jeff Jirsa (JIRA)" <j...@apache.org>
Subject [jira] [Created] (CASSANDRA-13548) system.paxos improvements
Date Tue, 23 May 2017 15:45:04 GMT
Jeff Jirsa created CASSANDRA-13548:
--------------------------------------

             Summary: system.paxos improvements
                 Key: CASSANDRA-13548
                 URL: https://issues.apache.org/jira/browse/CASSANDRA-13548
             Project: Cassandra
          Issue Type: Improvement
          Components: Core
            Reporter: Jeff Jirsa
            Priority: Minor
             Fix For: 4.x


There are a few practical changes we can make to {{system.paxos}} that will improve (especially
read) performance for LWT:

- We should decrease the compression chunk size for situations where we have to go to disk

- We can change the primary key structure so that the row key and CFID are both part of the
partition key, which will decrease LCS compaction activity in use cases where a row key is
common across tables, and one table is updated more frequently than the other.





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