对内存消耗大

[zhugw]

还是对内存消耗特别大 试了下解析一个46.2M的excel 76万行 7列 如果指定内存为-Xms512m -Xmx512m 会抛如下异常

java.lang.OutOfMemoryError: GC overhead limit exceeded

	at org.apache.xmlbeans.impl.store.Saver$TextSaver.resize(Saver.java:1701)
	at org.apache.xmlbeans.impl.store.Saver$TextSaver.preEmit(Saver.java:1319)
	at org.apache.xmlbeans.impl.store.Saver$TextSaver.emit(Saver.java:1206)
	at org.apache.xmlbeans.impl.store.Saver$TextSaver.emitElement(Saver.java:978)
	at org.apache.xmlbeans.impl.store.Saver.processElement(Saver.java:492)
	at org.apache.xmlbeans.impl.store.Saver.process(Saver.java:323)
	at org.apache.xmlbeans.impl.store.Saver$TextSaver.saveToString(Saver.java:1865)
	at org.apache.xmlbeans.impl.store.Cursor._xmlText(Cursor.java:546)
	at org.apache.xmlbeans.impl.store.Cursor.xmlText(Cursor.java:2436)
	at org.apache.xmlbeans.impl.values.XmlObjectBase.xmlText(XmlObjectBase.java:1500)
	at org.apache.poi.xssf.model.SharedStringsTable.xmlText(SharedStringsTable.java:139)
	at org.apache.poi.xssf.model.SharedStringsTable.readFrom(SharedStringsTable.java:129)
	at org.apache.poi.xssf.model.SharedStringsTable.<init>(SharedStringsTable.java:111)
	at org.apache.poi.xssf.eventusermodel.XSSFReader.getSharedStringsTable(XSSFReader.java:115)
	at net.fenghaitao.imports.ExcelReader.process(ExcelReader.java:29)
	at net.fenghaitao.AutoExcel.read(AutoExcel.java:569)