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作为努力减少应用程序的内存负载的一部分,我们收集了一份hprof报告。该报告包括以下内容:Java的灰熊为缓冲区占用大量内存?
percent live alloc'ed stack class rank self accum bytes objs bytes objs trace name 1 9.42% 9.42% 57414792 219 57414792 219 373093 byte[] 2 6.45% 15.87% 39328800 300 39328800 300 367689 byte[] 8 1.74% 30.92% 10618776 81 39328800 300 367958 byte[]
相应的痕迹:
TRACE 373093: java.nio.HeapByteBuffer.(HeapByteBuffer.java:39) java.nio.ByteBuffer.allocate(ByteBuffer.java:312) com.sun.enterprise.web.connector.grizzly.SocketChannelOutputBuffer.realWriteBytes(SocketChannelOutputBuffer.java:153) com.sun.enterprise.web.connector.grizzly.SocketChannelOutputBuffer$NIOOutputStream.write(SocketChannelOutputBuffer.java:240) TRACE 367689: java.nio.HeapByteBuffer.(HeapByteBuffer.java:39) java.nio.ByteBuffer.allocate(ByteBuffer.java:312) com.sun.enterprise.web.connector.grizzly.SocketChannelOutputBuffer.(SocketChannelOutputBuffer.java:100) com.sun.enterprise.web.connector.grizzly.DefaultProcessorTask.initialize(DefaultProcessorTask.java:436) TRACE 367958: java.nio.HeapByteBuffer.(HeapByteBuffer.java:39) java.nio.ByteBuffer.allocate(ByteBuffer.java:312) com.sun.enterprise.web.connector.grizzly.SocketChannelOutputBuffer.(SocketChannelOutputBuffer.java:100) com.sun.enterprise.web.connector.grizzly.ssl.SSLOutputBuffer.(SSLOutputBuffer.java:59)
任何人有任何想法,为什么灰熊是如此... .. uhmm饿了?
谢谢!
这一切都发生在Glassfish V2.1.1服务器上。 – Yon 2011-03-14 17:59:21