Class MemoryPoolsExports
Example usage:
new MemoryPoolsExports().register();
Example metrics being exported:
jvm_memory_bytes_used{area="heap"} 2000000 jvm_memory_bytes_committed{area="nonheap"} 200000 jvm_memory_bytes_max{area="nonheap"} 2000000 jvm_memory_pool_bytes_used{pool="PS Eden Space"} 2000
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Nested Class Summary
Nested classes/interfaces inherited from class io.prometheus.client.Collector
Collector.Describable, Collector.MetricFamilySamples, Collector.Type
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Field Summary
FieldsModifier and TypeFieldDescriptionprivate static final String
private static final String
private static final String
private static final String
private static final String
private static final String
private static final String
private static final String
private static final String
private static final String
private static final String
private static final String
private static final String
private final MemoryMXBean
private final List
<MemoryPoolMXBean> Fields inherited from class io.prometheus.client.Collector
MILLISECONDS_PER_SECOND, NANOSECONDS_PER_SECOND
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Constructor Summary
ConstructorsConstructorDescriptionMemoryPoolsExports
(MemoryMXBean memoryBean, List<MemoryPoolMXBean> poolBeans) -
Method Summary
Modifier and TypeMethodDescription(package private) void
addMemoryAreaMetrics
(List<Collector.MetricFamilySamples> sampleFamilies, Predicate<String> nameFilter) (package private) void
addMemoryPoolMetrics
(List<Collector.MetricFamilySamples> sampleFamilies, Predicate<String> nameFilter) private void
addPoolMetrics
(GaugeMetricFamily used, GaugeMetricFamily committed, GaugeMetricFamily max, GaugeMetricFamily init, String poolName, MemoryUsage poolUsage) collect()
Return all metrics of this Collector.LikeCollector.collect()
, but the result should only containMetricFamilySamples
wheresampleNameFilter.test(name)
istrue
for at least one Sample name.Methods inherited from class io.prometheus.client.Collector
checkMetricLabelName, checkMetricName, doubleToGoString, register, register, sanitizeMetricName
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Field Details
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JVM_MEMORY_OBJECTS_PENDING_FINALIZATION
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JVM_MEMORY_BYTES_USED
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JVM_MEMORY_BYTES_COMMITTED
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JVM_MEMORY_BYTES_MAX
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JVM_MEMORY_BYTES_INIT
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JVM_MEMORY_POOL_BYTES_USED
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JVM_MEMORY_POOL_BYTES_COMMITTED
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JVM_MEMORY_POOL_BYTES_MAX
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JVM_MEMORY_POOL_BYTES_INIT
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JVM_MEMORY_POOL_COLLECTION_USED_BYTES
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JVM_MEMORY_POOL_COLLECTION_COMMITTED_BYTES
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JVM_MEMORY_POOL_COLLECTION_MAX_BYTES
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JVM_MEMORY_POOL_COLLECTION_INIT_BYTES
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memoryBean
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poolBeans
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Constructor Details
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MemoryPoolsExports
public MemoryPoolsExports() -
MemoryPoolsExports
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Method Details
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addMemoryAreaMetrics
void addMemoryAreaMetrics(List<Collector.MetricFamilySamples> sampleFamilies, Predicate<String> nameFilter) -
addMemoryPoolMetrics
void addMemoryPoolMetrics(List<Collector.MetricFamilySamples> sampleFamilies, Predicate<String> nameFilter) -
addPoolMetrics
private void addPoolMetrics(GaugeMetricFamily used, GaugeMetricFamily committed, GaugeMetricFamily max, GaugeMetricFamily init, String poolName, MemoryUsage poolUsage) -
collect
Description copied from class:Collector
Return all metrics of this Collector. -
collect
Description copied from class:Collector
LikeCollector.collect()
, but the result should only containMetricFamilySamples
wheresampleNameFilter.test(name)
istrue
for at least one Sample name.The default implementation first collects all
MetricFamilySamples
and then discards the ones wheresampleNameFilter.test(name)
returnsfalse
for all names inCollector.MetricFamilySamples.getNames()
. To improve performance, collector implementations should override this method to preventMetricFamilySamples
from being collected if they will be discarded anyways. SeeThreadExports
for an example.Note that the resulting List may contain
MetricFamilySamples
where some Sample names returntrue
forsampleNameFilter.test(name)
but some Sample names returnfalse
. This is ok, because before we produce the output format we will callCollector.MetricFamilySamples.filter(Predicate)
to strip all Samples wheresampleNameFilter.test(name)
returnsfalse
.
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