[MCOL-1679] Wrong calculated total_disk_usage by columnstore_info.total_usage() Created: 2018-08-29  Updated: 2019-07-10  Resolved: 2019-07-10

Status: Closed
Project: MariaDB ColumnStore
Component/s: ?
Affects Version/s: 1.1.5, 1.1.6
Fix Version/s: Icebox

Type: Bug Priority: Major
Reporter: Zdravelina Sokolovska (Inactive) Assignee: Andrew Hutchings (Inactive)
Resolution: Fixed Votes: 0
Labels: None
Environment:

2X combo PMs with IMDT extended memory run on CentOS 7.4

Issue Links:
Relates
relates to MCOL-2103 columnstore_info.total_usage() retu... Closed

 Description   

Wrong calculated total_disk_usage by columnstore_info.total_usage()

columnstore_info.total_usage() is returning wrong total_disk_usage
issue was observed after upgrade to dev 1.1.6 version ;
repetitively the columnstore_info.compression_ratio() also returned wrong value

The expected TOTAL_DISK_USAGE was 366.37 GB and COMPRESSION_RATIO of
1.6329:1

wrong returned valus

TOTAL_DATA_SIZE TOTAL_DISK_USAGE
 
576.96 GB       44.64 GB


columnstore_info.compression_ratio
 
COMPRESSION_RATIO
 
19.0053:1


Generated at Thu Feb 08 02:30:33 UTC 2024 using Jira 8.20.16#820016-sha1:9d11dbea5f4be3d4cc21f03a88dd11d8c8687422.