@Override
public HPCMemoryConfig apply(String s) {
HPCMemoryConfig.Source source = HPCMemoryConfig.Source.EXPLICIT_MEMORY_RATIO;
//noinspection StringEquality
if (s == DEFAULT) // Note instance equality check is on purpose
{
s = "50.0";
source = HPCMemoryConfig.Source.DEFAULT_MEMORY_RATIO;
}
long oldGenSize =
memoryPoolMax("java.lang:type=MemoryPool,name=G1 Old Gen")
.or(memoryPoolMax("java.lang:type=MemoryPool,name=PS Old Gen"))
.or(heap() / 2) // Conservative, to be on the safe side
.get();
long allocated = (long) ((FLOAT.apply(s) / 100.0) * oldGenSize);
return new HPCMemoryConfig(
/* Node cache size */ (long) (allocated * 0.3),
/* Rel cache size */ (long) (allocated * 0.4),
/* Node lookup table */ asPercentageOfHeap(allocated * 0.1),
/* Rel lookup table */ asPercentageOfHeap(allocated * 0.1),
source);
}
@Override
public HPCMemoryConfig apply(
HPCMemoryConfig basedOnRatio, Function<String, String> settings) {
String explicitNodeCacheSize =
settings.apply(HighPerformanceCacheSettings.node_cache_size.name());
String explicitRelCacheSize =
settings.apply(HighPerformanceCacheSettings.relationship_cache_size.name());
String explicitNodeArrayFraction =
settings.apply(HighPerformanceCacheSettings.node_cache_array_fraction.name());
String explicitRelArrayFraction =
settings.apply(
HighPerformanceCacheSettings.relationship_cache_array_fraction.name());
if (explicitNodeCacheSize != null
|| explicitRelCacheSize != null
|| explicitNodeArrayFraction != null
|| explicitRelArrayFraction != null) {
// At least one explicit config set, swap to explicit mode
long nodeCacheBytes =
explicitNodeCacheSize != null ? BYTES.apply(explicitNodeCacheSize) : heap() / 8;
long relCacheBytes =
explicitRelCacheSize != null ? BYTES.apply(explicitRelCacheSize) : heap() / 8;
float nodeArrRatio =
explicitNodeArrayFraction != null
? FLOAT.apply(explicitNodeArrayFraction)
: 1.0f;
float relArrRatio =
explicitRelArrayFraction != null ? FLOAT.apply(explicitRelArrayFraction) : 1.0f;
// Figure out if user is inadvertently overwriting her own configuration
HPCMemoryConfig.Source source =
basedOnRatio.source() == HPCMemoryConfig.Source.DEFAULT_MEMORY_RATIO
? HPCMemoryConfig.Source.SPECIFIC
: HPCMemoryConfig.Source.SPECIFIC_OVERRIDING_RATIO;
return new HPCMemoryConfig(
nodeCacheBytes, relCacheBytes, nodeArrRatio, relArrRatio, source);
}
return basedOnRatio;
}
