以太坊win7-64下私链挖矿崩溃问题

在win7-64位,4G内存。建立以太坊私有链。

miner.start(),启动挖矿,两三秒程序崩溃退出,查看日志:

Failed to generate mapped ethash dataset epoch=0 err="MapViewOfFile: Not enough storage is available to process this command."

runtime: out of memory: cannot allocate 2147483648-byte block (2262933504 in use)

fatal error: out of memory

我的geth.exe是自己源码编译(golang,gcc都是32位);

解决办法:用64位go,gcc重新编译;

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