[#EXASOL-1429] Possible error when inserting data into large tables

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[EXASOL-1429] Possible error when inserting data into large tables Created:
24.11.2014 Updated: 07.01.2015 Resolved: 24.11.2014
Status:
Project:
Component/s:
Affects
Version/s:
Fix Version/s:
Resolved
EXASOL Roadmap
EXASolution
EXASolution 5.0.1
Type:
Reporter:
Resolution:
Labels:
Bug
Mathias Golombek
Fixed
None
Issue Links:
Causing
Duplicate
Related
EXASolution 5.0.2
Priority:
Assignee:
Votes:
Normal
Mathias Golombek
0
Description
Inserting new data into large indices with broad index keys (four or more index columns) may
fail under certain circumstances such as a big table size, few distinct values in index columns,
skew in index column values and a certain variety in the new index data.
To fully recover index stability we recommend a recreation of all indices on the database. This
can be achieved by REORGANIZE DATABASE ENFORCE.
This does not only recreate indices but remove any deleted marked rows, too. Therefore this
statement will cause a lot of HDD_READ and take a while.
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