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Posted to issues@drill.apache.org by "Rahul Challapalli (JIRA)" <ji...@apache.org> on 2015/12/10 01:21:10 UTC
[jira] [Closed] (DRILL-4154) Metadata Caching : Upgrading cache to
v2 from v1 corrupts the cache in some scenarios
[ https://issues.apache.org/jira/browse/DRILL-4154?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Rahul Challapalli closed DRILL-4154.
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> Metadata Caching : Upgrading cache to v2 from v1 corrupts the cache in some scenarios
> -------------------------------------------------------------------------------------
>
> Key: DRILL-4154
> URL: https://issues.apache.org/jira/browse/DRILL-4154
> Project: Apache Drill
> Issue Type: Bug
> Reporter: Rahul Challapalli
> Assignee: Parth Chandra
> Priority: Critical
> Attachments: broken-cache.txt, fewtypes_varcharpartition.tar.tgz, old-cache.txt
>
>
> git.commit.id.abbrev=46c47a2
> I copied the data along with the cache file onto maprfs. Now I ran the upgrade tool (https://github.com/parthchandra/drill-upgrade). Now I ran the metadata_caching suite from the functional tests (concurrency 10) without the datagen phase. I see 3 test failures and when I looked at the cache file it seems to be containing wrong information for the varchar column.
> Sample from the cache :
> {code}
> {
> "name" : [ "varchar_col" ]
> }, {
> "name" : [ "float_col" ],
> "mxValue" : 68797.22,
> "nulls" : 0
> }
> {code}
> Now I followed the same steps and instead of running the suites I executed the "REFRESH TABLE METADATA" command or any query on that folder, the cache file seems to be created properly
> I attached the data and cache files required. Let me know if you need anything
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