OSystem‘:java.nio.Bits.reserveMemory(Bits.java:693)上的直接缓冲区内存(Bits.java:693)、在com.orientechnologies.common.directmemory.OByteBufferPool.allocateBuffercommon.directmemory.OByteBufferPool.acquireDirect(OByteBufferPool.java:228) at com.orientechnologies.orient.core.storage.cache.local.