[
https://issues.apache.org/jira/browse/HBASE-6506?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
stack updated HBASE-6506:
-------------------------
Fix Version/s: 0.99.0
Status: Patch Available (was: Open)
> Setting CACHE_BLOCKS to false in an hbase shell scan doesn't work
> -----------------------------------------------------------------
>
> Key: HBASE-6506
> URL: https://issues.apache.org/jira/browse/HBASE-6506
> Project: HBase
> Issue Type: Bug
> Components: shell
> Affects Versions: 0.94.0
> Reporter: Josh Wymer
> Priority: Minor
> Labels: cache, ruby, scan, shell
> Fix For: 0.99.0
>
> Attachments: 6506.txt
>
> Original Estimate: 1m
> Remaining Estimate: 1m
>
> I was attempting to prevent blocks from being cached by setting CACHE_BLOCKS
> => false in the hbase shell when doing a scan but I kept seeing tons of
> evictions when I ran it. After inspecting "table.rb" I found this line:
> cache = args["CACHE_BLOCKS"] || true
> The problem then is that if CACHE_BLOCKS is false then this expression will
> always return true. Therefore, it's impossible to turn off block caching.
--
This message was sent by Atlassian JIRA
(v6.2#6252)
