dropWizard ライブラリを使用して JVM メトリック値 (MemoryUsageGaugeSet、GarbageCollectionUsageGaugeSet) を取得しようとしました
<dependency>
<groupId>io.dropwizard.metrics</groupId>
<artifactId>metrics-jvm</artifactId>
<version>3.1.2</version>
</dependency>
コードの実装。
public static void main(String[] args ){
MemoryUsageGaugeSet memory = new MemoryUsageGaugeSet();
Map<String, Metric> memoryMap = memory.getMetrics();
system.out.println( memoryMap);}
私が得た結果は
{heap.committed=com.codahale.metrics.jvm.MemoryUsageGaugeSet$8@d16011, non-heap.used=com.codahale.metrics.jvm.MemoryUsageGaugeSet$11@cc09904, pools.Code-Cache.used=com.codahale.metrics .jvm.MemoryUsageGaugeSet$17@748032cc、pools.Code-Cache.committed=com.codahale.metrics.jvm.MemoryUsageGaugeSet$18@2b6e0423、heap.used=com.codahale.metrics.jvm.MemoryUsageGaugeSet$6@203428b7、pools.PS- Old-Gen.init=com.codahale.metrics.jvm.MemoryUsageGaugeSet$19@28b49d0c, total.committed=com.codahale.metrics.jvm.MemoryUsageGaugeSet$4@5dd7cc84, pools.PS-Old-Gen.max=com.codahale. metrics.jvm.MemoryUsageGaugeSet$16@6438401、total.init=com.codahale.metrics.jvm.MemoryUsageGaugeSet$1@7b365ee、non-heap.max=com.codahale.metrics.jvm.MemoryUsageGaugeSet$12@be3d4e9、pools.PS-Eden -Space.init=com.codahale.metrics.jvm.MemoryUsageGaugeSet$19@68339afd, pools.Compressed-Class-Space.used=com.codahale.metrics.jvm.MemoryUsageGaugeSet$17@724a6876、pools.Metaspace.usage=com.codahale.metrics.jvm.MemoryUsageGaugeSet$15@6ecaffc4、pools.Metaspace.max=com.codahale.metrics.jvm.MemoryUsageGaugeSet$16 @ 7b1b3a68、pools.PS-Eden-Space.committed=com.codahale.metrics.jvm.MemoryUsageGaugeSet$18@f8ba384、pools.PS-Eden-Space.max=com.codahale.metrics.jvm.MemoryUsageGaugeSet$16@2e2373db、プール.Compressed-Class-Space.usage=com.codahale.metrics.jvm.MemoryUsageGaugeSet$15@17ae8d04, heap.usage=com.codahale.metrics.jvm.MemoryUsageGaugeSet$9@35c43de3, pools.PS-Eden-Space.usage=com .codahale.metrics.jvm.MemoryUsageGaugeSet$15@67013f5c、pools.PS-Survivor-Space.max=com.codahale.metrics.jvm.MemoryUsageGaugeSet$16@520935cc、pools.Code-Cache.max=com.codahale.metrics.jvm .MemoryUsageGaugeSet$16@31ac5424, pools.Compressed-Class-Space.init=com.codahale.metrics.jvm.MemoryUsageGaugeSet$19@25135cd7、pools.Metaspace.init=com.codahale.metrics.jvm.MemoryUsageGaugeSet$19@4b066cf6、pools.PS-Survivor-Space.usage=com.codahale.metrics.jvm.MemoryUsageGaugeSet$15@50ba970f、pools.PS -Old-Gen.usage=com.codahale.metrics.jvm.MemoryUsageGaugeSet$15@3e4e448、pools.Code-Cache.usage=com.codahale.metrics.jvm.MemoryUsageGaugeSet$15@3c2ef507、pools.PS-Survivor-Space.init =com.codahale.metrics.jvm.MemoryUsageGaugeSet$19@44374fa8, total.used=com.codahale.metrics.jvm.MemoryUsageGaugeSet$2@40b1aace, pools.Code-Cache.init=com.codahale.metrics.jvm.MemoryUsageGaugeSet$19@ 6453d034、pools.PS-Old-Gen.committed=com.codahale.metrics.jvm.MemoryUsageGaugeSet$18@2f9e8774、heap.init=com.codahale.metrics.jvm.MemoryUsageGaugeSet$5@512ad720、非 heap.committed=com. codahale.metrics.jvm.MemoryUsageGaugeSet$13@1c80e011, pools.Compressed-Class-Space.commit=com.codahale.metrics.jvm.MemoryUsageGaugeSet$18@662841c5、非 heap.init=com.codahale.metrics.jvm.MemoryUsageGaugeSet$10@3dd6cf53、pools.PS-Eden-Space.used=com.codahale.metrics。 jvm.MemoryUsageGaugeSet$17@3a428c1e、non-heap.usage=com.codahale.metrics.jvm.MemoryUsageGaugeSet$14@21d9632f、heap.max=com.codahale.metrics.jvm.MemoryUsageGaugeSet$7@5db28b8、pools.PS-Survivor-Space .used=com.codahale.metrics.jvm.MemoryUsageGaugeSet$17@efcd307, pools.Metaspace.committed=com.codahale.metrics.jvm.MemoryUsageGaugeSet$18@20f09cba, total.max=com.codahale.metrics.jvm.MemoryUsageGaugeSet$3@ 4ada5390、pools.Metaspace.used=com.codahale.metrics.jvm.MemoryUsageGaugeSet$17@16982c9b、pools.Compressed-Class-Space.max=com.codahale.metrics.jvm.MemoryUsageGaugeSet$16@7e94b1a4、pools.PS-Survivor- Space.committed=com.codahale.metrics.jvm.MemoryUsageGaugeSet$18@5aa5f780,pools.PS-Old-Gen.used=com.codahale.metrics.jvm.MemoryUsageGaugeSet$17@427b7997}
オブジェクトの参照を取得しましたが、代わりにこれらの参照の値を取得したいと考えています。これのために何をすべきか？