Informix - Problem description
Problem IT16467 | Status: Closed |
READAHEAD_### THREADS CAN BE CONTINUALLY ALLOCATED | |
product: | |
INFORMIX SERVER / 5725A3900 / C10 - IDS 12.10 | |
Problem description: | |
Many sessions running the same prepared query with different host variable values against a very large table fragmented by range over 50 dbspaces using an indexed lookup on an index that was also fragmented by range over 20 dbspaces can lead to a large number of readahead threads being allocated. | |
Problem Summary: | |
**************************************************************** * USERS AFFECTED: * * Customers with heavy read work loads on large tables where * * the tables will not fight in the servers configured buffer * * pools, causing the server to use extensive read ahead * * operations may experience the continuous growth of read * * ahead threads. * **************************************************************** * PROBLEM DESCRIPTION: * * See Error Description * **************************************************************** * RECOMMENDATION: * * Update to IBM Informix Server 12.10.xC8 * **************************************************************** | |
Local Fix: | |
Solution | |
Workaround | |
not known / see Local fix | |
Timestamps | |
Date - problem reported : Date - problem closed : Date - last modified : | 04.08.2016 09.12.2016 09.12.2016 |
Problem solved at the following versions (IBM BugInfos) | |
12.10.xC8 | |
Problem solved according to the fixlist(s) of the following version(s) |