Our API is restful and Dynamic ID will be included in the path, and QPS can reach more than 50000，So we have to wait until version 8 is released！
原始邮件 发件人: bingjava<[email protected]> 收件人: dev<[email protected]> 抄送: Sheng Wu<[email protected]> 发送时间: 2020年4月21日(周二) 14:54 主题: skywalking Oapserver has a bug of OOM Hi,All The oapserver starts up less than 10 minutes, and the oom will occur. The memory object cannot be recycled。 Our generation environment is： os：center os 7 jvm：jdk1.8 store：es6 Jvm config: -Xmx10000M -Xms10000M -XX:MaxMetaspaceSize=512M -XX:MetaspaceSize=512M -XX:+UseG1GC -XX:MaxGCPauseMillis=200 [admin@b01_skywalking_service_pro_v_hk bin]$ jmap -histo:live 8955|more num #instances #bytes class name ---------------------------------------------- 1: 51829445 5950648600 [C 2: 51455355 2881499880 org.apache.skywalking.apm.network.register.v2.Endpoint 3: 51829083 1243897992 java.lang.String 4: 23340 320117896 [Ljava.lang.Object; 5: 502227 24106896 org.apache.skywalking.apm.network.register.v2.EndpointMappingElement 6: 186129 8934192 com.google.common.cache.LocalCache$StrongAccessEntry 7: 20448 5932408 [B 8: 91391 5117896 org.apache.skywalking.oap.server.core.register.EndpointInventory 9: 126969 4063008 java.util.HashMap$Node 10: 187623 3001968 java.lang.Integer 11: 186129 2978064 com.google.common.cache.LocalCache$StrongValueReference 12: 15944 2134000 [Ljava.util.HashMap$Node; 13: 3120 2046720 io.netty.util.internal.shaded.org.jctools.queues.MpscArrayQueue 14: 59041 1416984 org.apache.skywalking.oap.server.core.analysis.metrics.IntKeyLongValue 15: 10722 1189296 java.lang.Class 16: 184 990592 [Lio.netty.buffer.PoolSubpage; 17: 23800 952000 io.netty.buffer.UnpooledSlicedByteBuf 18: 26937 861984 java.util.concurrent.ConcurrentHashMap$Node 19: 9296 818048 io.netty.buffer.PooledUnsafeDirectByteBuf 20: 7719 744344 [I 21: 13564 651072 org.apache.skywalking.oap.server.core.analysis.metrics.IntKeyLongValueHashMap 22: 23800 571200 io.grpc.netty.NettyReadableBuffer 23: 6799 435136 java.nio.DirectByteBuffer 24: 15649 375576 javassist.bytecode.Utf8Info 25: 15544 373056 java.util.ArrayList [admin@b01_skywalking_service_pro_v_hk bin]$ jstat -gcutil 8955 2000 S0 S1 E O M CCS YGC YGCT FGC FGCT GCT 0.00 0.00 0.00 100.00 97.16 93.64 86 9.428 4 19.310 28.739 0.00 0.00 0.00 100.00 97.16 93.64 86 9.428 4 19.310 28.739 0.00 0.00 0.00 99.98 96.97 93.35 86 9.428 4 35.545 44.974 0.00 0.00 0.00 99.98 96.97 93.35 86 9.428 4 35.545 44.974 0.00 100.00 84.62 99.97 96.97 93.35 88 9.784 4 35.545 45.329 0.00 0.00 0.00 99.97 96.98 93.35 91 11.077 5 35.545 46.622 0.00 100.00 94.44 99.98 96.98 93.35 93 11.087 5 52.030 63.116 0.00 0.00 0.00 100.00 96.83 93.64 94 12.600 6 52.030 64.629 0.00 0.00 0.00 99.97 96.83 93.64 94 12.600 6 68.554 81.154 0.00 0.00 0.00 99.97 96.83 93.64 98 13.199 7 68.554 81.753 0.00 0.00 0.00 99.97 96.83 93.64 98 13.199 7 68.554 81.753 0.00 0.00 0.00 99.97 96.83 93.64 98 13.199 7 68.554 81.753
