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Informix - Problem description

Problem IT35888 Status: Closed

RUNNING ONCHECK -CI AGAINST A FOREST OF TREES INDEX TAKES OUT A LOCK
AGAINST EVERY DATA ROW (OR PAGE) OF THE TABLE

product:
INFORMIX SERVER / 5725A3900 / C10 - IDS 12.10
Problem description:
Running oncheck -cI against a Forest of Trees index takes out a
lock against every data ROW (or PAGE) of the table.

For very large tables this may lead to LOCK table exhaustion OR
an extreme number of locks.

This behaviour does not occur for a normal BTREE index.
Problem Summary:
****************************************************************
* USERS AFFECTED:                                              *
* Users of Informix Server prior to 12.10.xC15 and 14.10.xC7.  *
****************************************************************
* PROBLEM DESCRIPTION:                                         *
* See Error Description                                        *
****************************************************************
* RECOMMENDATION:                                              *
* Upgrade to Informix Server 12.10.xC15 or 14.10.xC7 (when     *
* available).                                                  *
****************************************************************
Local Fix:
Solution
Workaround
****************************************************************
* USERS AFFECTED:                                              *
* Users of Informix Server prior to 12.10.xC15 and 14.10.xC7.  *
****************************************************************
* PROBLEM DESCRIPTION:                                         *
* See Error Description                                        *
****************************************************************
* RECOMMENDATION:                                              *
* Upgrade to Informix Server 12.10.xC15 or 14.10.xC7 (when     *
* available).                                                  *
****************************************************************
Comment
Fixed in Informix Server 12.10.xC15 and 14.10.xC7.
Timestamps
Date  - problem reported    :
Date  - problem closed      :
Date  - last modified       :
12.02.2021
23.08.2021
23.08.2021
Problem solved at the following versions (IBM BugInfos)
Problem solved according to the fixlist(s) of the following version(s)