使用easyexcel解析excel文档 发现了这么一个问题：
一个76万行的Excel本地解析只要几分钟 放到阿里云服务器上跑的时候却需要30多分钟 (注： 均指定了同样的内存 -Xms512m -Xmx512m) 用arthas工具排查了下 发现服务器上好像整体的慢 并不是某一个点慢

本地

trace --skipJDKMethod false com.alibaba.excel.read.processor.DefaultAnalysisEventProcessor dealData

`---ts=2020-12-26 10:58:28;thread_name=main;id=1;is_daemon=false;priority=5;TCCL=sun.misc.Launcher$AppClassLoader@18b4aac2
    `---[0.189268ms] com.alibaba.excel.read.processor.DefaultAnalysisEventProcessor:dealData()
        +---[0.004504ms] com.alibaba.excel.context.AnalysisContext:readRowHolder() #84
        +---[0.003468ms] com.alibaba.excel.read.metadata.holder.ReadRowHolder:getCellMap() #85
        +---[0.003815ms] com.alibaba.excel.read.metadata.holder.ReadRowHolder:setCurrentRowAnalysisResult() #86
        +---[0.003296ms] com.alibaba.excel.read.metadata.holder.ReadRowHolder:getRowIndex() #87
        +---[0.00394ms] com.alibaba.excel.context.AnalysisContext:readSheetHolder() #88
        +---[0.003504ms] com.alibaba.excel.read.metadata.holder.ReadSheetHolder:getHeadRowNumber() #57
        +---[0.003797ms] com.alibaba.excel.context.AnalysisContext:currentReadHolder() #97
        +---[0.003476ms] com.alibaba.excel.read.metadata.holder.ReadHolder:readListenerList() #57
        +---[0.003098ms] java.util.List:iterator() #57
        +---[min=0.002437ms,max=0.002762ms,total=0.007653ms,count=3] java.util.Iterator:hasNext() #57
        +---[min=0.002698ms,max=0.00272ms,total=0.005418ms,count=2] java.util.Iterator:next() #57
        +---[min=0.003489ms,max=0.003817ms,total=0.007306ms,count=2] com.alibaba.excel.read.metadata.holder.ReadRowHolder:getCurrentRowAnalysisResult() #100
        +---[min=0.015653ms,max=0.035574ms,total=0.051227ms,count=2] com.alibaba.excel.read.listener.ReadListener:invoke() #57
        `---[min=0.003336ms,max=0.003754ms,total=0.00709ms,count=2] com.alibaba.excel.read.listener.ReadListener:hasNext() #108

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服务器上

`---ts=2020-12-26 10:59:34;thread_name=main;id=1;is_daemon=false;priority=5;TCCL=org.springframework.boot.loader.LaunchedURLClassLoader@238e0d81
    `---[1.167113ms] com.alibaba.excel.read.processor.DefaultAnalysisEventProcessor:dealData()
        +---[0.035013ms] com.alibaba.excel.context.AnalysisContext:readRowHolder() #84
        +---[0.02558ms] com.alibaba.excel.read.metadata.holder.ReadRowHolder:getCellMap() #85
        +---[0.030248ms] com.alibaba.excel.read.metadata.holder.ReadRowHolder:setCurrentRowAnalysisResult() #86
        +---[0.025663ms] com.alibaba.excel.read.metadata.holder.ReadRowHolder:getRowIndex() #87
        +---[0.037863ms] com.alibaba.excel.context.AnalysisContext:readSheetHolder() #88
        +---[0.027672ms] com.alibaba.excel.read.metadata.holder.ReadSheetHolder:getHeadRowNumber() #57
        +---[0.031823ms] com.alibaba.excel.context.AnalysisContext:currentReadHolder() #97
        +---[0.025251ms] com.alibaba.excel.read.metadata.holder.ReadHolder:readListenerList() #57
        +---[0.01679ms] java.util.List:iterator() #57
        +---[min=0.012983ms,max=0.013092ms,total=0.039089ms,count=3] java.util.Iterator:hasNext() #57
        +---[min=0.01622ms,max=0.016695ms,total=0.032915ms,count=2] java.util.Iterator:next() #57
        +---[min=0.028824ms,max=0.033356ms,total=0.06218ms,count=2] com.alibaba.excel.read.metadata.holder.ReadRowHolder:getCurrentRowAnalysisResult() #100
        +---[min=0.045947ms,max=0.088069ms,total=0.134016ms,count=2] com.alibaba.excel.read.listener.ReadListener:invoke() #57
        `---[min=0.028462ms,max=0.028464ms,total=0.056926ms,count=2] com.alibaba.excel.read.listener.ReadListener:hasNext() #108
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可见服务器上每个方法调用都要慢约一个量级 所以弄不清楚什么情况 不知道该怎么优化