标签归档:shmat:out of available data space

How to allocate a large memory space for Informix shared memory segments

Troubleshooting

Problem

How to allocate a large memory space for Informix shared memory segments on Red Hat Linux 3 (RHEL3).

Resolving The Problem


PROBLEM


You are using IBM® Informix® Dynamic server (IDS) on on Red Hat Linux 3. When you try to allocate more that 1.8 GB (Gigabytes) of shared memory, the following error message appears in the message log file.

13:52:26 shmat: [ENOMEM][12]: out of available data space, check system memory parameters (e.g. MAXMEM).

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