shuangquansq commented on issue #11251:
URL: https://github.com/apache/ignite/issues/11251#issuecomment-1980499789
Hi, ptupitsyn:
our ignite run with k8s pod. pod have 8G memory and guest host memory
is 64G. Our use defaultDataRegionConfiguration, but don't set the maxsize
memory.
I see the sorce code:"
/** Fraction of available memory to allocate for default DataRegion.
*/
private static final double DFLT_DATA_REGION_FRACTION = 0.2;
/** Default data region's size is 20% of physical memory available on
current machine. */
public static final long DFLT_DATA_REGION_MAX_SIZE = Math.max(
(long)(DFLT_DATA_REGION_FRACTION * U.getTotalMemoryAvailable()),
DFLT_DATA_REGION_INITIAL_SIZE);
"
the interface
U.getTotalMemoryAvailable()-->sunOs.getTotalPhysicalMemorySize(), will get the
guest host memory 64G 64G*0.2=12.8G.
Although JVM limited the -XX:MaxDirectMemorySize=2300m. But ignite doesn't
know it, only know maxsize is 12.8G. So ignite will continue request the
memory, until occur OutOfMemoryError.
is it right?
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