How To Fix CSM_VMC038 - Häufigkeit der fehlgeschlagenen GC Speicher-Leseversuche

SAP Error Message - Details

• Message type: E = Error

• Message class: CSM_VMC - Messages for VM Container Monitoring

• Message number: 038

• Message text: Häufigkeit der fehlgeschlagenen GC Speicher-Leseversuche

Was verursacht dieses Problem?

This performance attribute measures the frequency of failed attempts to
read the memory during garbage collection procedures in all active VMs
within a certain time frame (usually measured in minutes). The attribute
value is calculated as follows: During a GC procedure all the relevant
areas of the Java heap must be examined for obsolete Java objects. The
VM attempts to access these memory areas while they are being read. Many
operating systems however optimize the runtime memory of their processes
by copying memory areas that have not been read or written to for some
time to fixed temporary memory locations (for example, the hard drive).
This means they are not immediately available and the fast memory can be
made available to other processes. This procedure is known as memory sw
apping. If a swapped memory area (a page) is read by the VM garbage
collection, first of all a failed read attempt is reported. The
operating system starts a physical memory swap which restores the
missing page from the fixed memory and possibly swaps it against other
memory areas.

Systemantwort

A high frequency of attempts to read the memory (usually 1000 and more
missing pages per minute) considerably slows down the garbage
collection, and in particular system performance. This state is an
indication of insufficient hardware memory or of unusually high memory
usage on the host in question. Though the VM Container can continue to
run, performance is reduced considerably.
You can find more information about the memory classes in the VM
Container in the online documentation under
<DS:KENO.001560AA0E081DEB91E241270609CAF7>Memory Management in the VM
Container</>.

Wie behebe ich diesen Fehler?

Das System gibt eine Fehlermeldung aus und erlaubt Ihnen nicht, mit dieser Transaktion fortzufahren, bis der Fehler behoben ist.

Vorgehensweise für Systemadministratoren

Fehlermeldungsextrakt aus SAP-System. Copyright SAP SE