[ 
https://issues.apache.org/jira/browse/KUDU-767?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Grant Henke resolved KUDU-767.
------------------------------
       Fix Version/s: NA
    Target Version/s:   (was: Backlog)
          Resolution: Duplicate

> Un-cached reads should not bump blocks to front of LRU list
> -----------------------------------------------------------
>
>                 Key: KUDU-767
>                 URL: https://issues.apache.org/jira/browse/KUDU-767
>             Project: Kudu
>          Issue Type: Improvement
>          Components: cfile, perf
>    Affects Versions: Private Beta
>            Reporter: Todd Lipcon
>            Priority: Major
>             Fix For: NA
>
>
> When we're doing an un-cached read like an MR job or compaction, we should 
> probably not be moving the blocks being accessed to the front of the LRU 
> list. Because we do, this can cause hotter blocks to get pushed down to be 
> towards the end of the LRU after the big scan.



--
This message was sent by Atlassian Jira
(v8.3.4#803005)

Reply via email to