[jira] [Updated] (CASSANDRA-13548) system.paxos performance improvements for LWT

["Benedict Elliott Smith (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/CASSANDRA-13548?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Benedict Elliott Smith updated CASSANDRA-13548:
-----------------------------------------------
    Component/s: Feature/Lightweight Transactions

> system.paxos performance improvements for LWT
> ---------------------------------------------
>
>                 Key: CASSANDRA-13548
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-13548
>             Project: Cassandra
>          Issue Type: Improvement
>          Components: Feature/Lightweight Transactions, Legacy/Core
>            Reporter: Jeff Jirsa
>            Priority: Low
>             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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